PD Dr. Oliver Janka

Umhabiliation an der Universität des Saarlandes
venia legendi in Anorganischer Chemie

12

O. Janka:
"Intermetallic materials" in Comprehensive Inorganic Chemistry III
Elsevier, 2022
[DOI: 10.1016/B978-0-12-823144-9.00092-3]

11

S. Engel, O. Janka:
"Bulk Metallic Glasses" in Applied Inorganic Chemistry
De Gruyter, 2022 Chapter 2.11
[Link to Volume 1]   [Link to Volume 2]   [Link to Volume 3]

10

S. Engel, O. Janka:
"Shape Memory Alloys" in Applied Inorganic Chemistry
De Gruyter, 2022 Chapter 2.10
[Link to Volume 1]   [Link to Volume 2]   [Link to Volume 3]

9

O. Janka, M. Bertau, R. Pöttgen:
"Slags as materials resource" in Applied Inorganic Chemistry
De Gruyter, 2022 Chapter 6.4
[Link to Volume 1]   [Link to Volume 2]   [Link to Volume 3]

8

M. Buchner, O. Janka:
"Be and Be alloys" in Applied Inorganic Chemistry
De Gruyter, 2022 Chapter 2.7
[Link to Volume 1]   [Link to Volume 2]   [Link to Volume 3]

7

O. Janka:
"Metallic light-weight alloys – Al, Ti, Mg" in Applied Inorganic Chemistry
De Gruyter, 2022 Chapter 2.3
[Link to Volume 1]   [Link to Volume 2]   [Link to Volume 3]

6

O. Janka, S. M. Kauzlarich:
"Zintl Compounds" in Encyclopedia of Inorganic and Bioinorganic Chemistry
Wiley, 2021.
[DOI: 10.1002/9781119951438.eibc0244.pub3]

5

O. Janka, R. Pöttgen:
"Intermetallic compounds" in Rare Earth Chemistry
De Gruyter, 2020 Chapter 2.4, 163-176.
[DOI: 10.1515/9783110654929]

4

R. Pöttgen, O. Janka:
"High-Temperature Methods" in Handbook of Solid State Chemistry
Wiley-VCH, 2017Volume 2: Synthesis, Chapter 1, 1-21.
[DOI: 10.1002/9783527691036.hsscvol2003]

3

O. Janka, R. Pöttgen:
"Reactive Fluxes" in Handbook of Solid State Chemistry
Wiley-VCH, 2017Volume 2: Synthesis, Chapter 10, 275-286.
[DOI: 10.1002/9783527691036.hsscvol2012]

2

O. Janka, S. M. Kauzlarich:
"Zintl Compounds" in Encyclopedia of Inorganic and Bioinorganic Chemistry
Wiley, 2013, 1–14.
[DOI: 10.1002/9781119951438.eibc0244.pub2]

1

Th. Schleid, H. Müller-Bunz, O. Janka:
"Geo-Inspired Phosphors Based on Rare- Earth Metal(III) Fluorides with Complex Oxoanions: I. Fluoride Oxocarbonates and Oxosilicates", in Minerals as Advanced Materials II
Springer, 2012, 353–366.
[DOI: 10.1007/978-3-642-20018-2_33]

7

S. Engel, E. C. J. Gießelmann, M. K. Reimann, R. Pöttgen, O. Janka:
On the ytterbium valence and the physical properties in selected intermetallic phases
ACS Organic & Inorganic Au 2023, accepted.

6

E. C. J. Gießelmann, R. Pöttgen, O. Janka:
Laves phases: superstructures induced by coloring and distortions
Z. Allg. Anorg. Chem. 2023, e202300109.
[DOI: 10.1002/zaac.202300109]

5

4

3

O. Janka, R. Pöttgen:
The Role of Beryllium in Alloys, Zintl Phases and Intermetallic Compounds
Z. Naturforsch. 2020, 75b, 421-439.
[DOI: 10.1515/znb-2019-0105]

2

O. Janka, O. Niehaus, R. Pöttgen, B. Chevalier:
Cerium Intermetallics with TiNiSi-Type Structure
Z. Naturforsch. 2016, 71b, 737-764.
[DOI: 10.1515/znb-2016-0101]

1

R. Pöttgen, O. Janka, B. Chevalier:
Cerium Intermetallics CeTX - Review III
Z. Naturforsch. 2016, 71b, 165-191.
[DOI: 10.1515/znb-2016-0013]

150

S. Engel, E. C. J. Gießelmann, M. K. Reimann, R. Pöttgen, O. Janka:
On the ytterbium valence and the physical properties in selected intermetallic phases
ACS Organic & Inorganic Au 2023, accepted.

149

E. C. J. Gießelmann, S. Engel, J. G. Volpini, H. Huppertz, G. Kickelbick, O. Janka:
Mechanistic Studies on the Formation of Ternary Oxides by Thermal Oxidation of the Cubic Laves Phase CaAl₂
Inorg. Chem. Front.2023, accepted.
[DOI: 10.1039/d3qi01604h]

148

S. Engel, L. Schumacher, O. Janka:
Modifying the valence phase transition in Eu₂Al₁₅Pt₆ via the solid solutions Eu₂Al₁₅(Pt_1–xT_x)₆ (T = Pd, Ir, Au; x = 1)
Z. Naturforsch. B 2023, accepted.

147

F. Hartmann, M. Bitsch, B.-J. Niebuur, M. Koch, T. Kraus, C. Dietz, R. W. Stark, C. R. Everett, P. Müller-Buschbaum, O. Janka, M. Gallei:
Self-Assembly of Polymer-Modified FePt Magnetic Nanoparticles and Block Copolymers
materials 2023, 16, 5503.
[DOI: 10.3390/ma16165503]

146

M. A. Mohamed, S. Arnold, O. Janka, A. Quade, J. Schmauch, V. Presser, G. Kickelbick:
Continuous wet chemical synthesis of Mo(C,N,O)_x as anode materials for Li-ion batteries
J. Mater. Chem. A 2023, 11, 19936-19954.
[DOI: 10.1039/d3ta03340f]

145

T. Büttner, O. Janka, V. Huch, D. Dhara, A. Jana, D. Scheschkewitz:
Single-Source Precursors for the Chemical Vapor Deposition of Iron Germanides
Eur. J. Inorg. Chem. 2023, 26, e202300433.
[DOI: 10.1002/ejic.202300433]

144

A. Feuerstein, B. Boßmann, T. Rittner, R. Leiner, O. Janka, M. Gallei, A. Schäfer:
Polycobaltoceniumylmethylene – A Water-Soluble Polyelectrolyte Prepared by Ring-Opening Transmetalation Polymerization
ACS Macro Lett. 2023, 12, 1019-1024.
[DOI: 10.1021/acsmacrolett.3c00336]

143

E. C. J. Gießelmann, R. Pöttgen, O. Janka:
Laves phases: superstructures induced by coloring and distortions
Z. Allg. Anorg. Chem. 2023, e202300109.
[DOI: 10.1002/zaac.202300109]

142

E. C. J. Gießelmann, S. Engel, Israa El Saudi, L. Schumacher, M. Radzieowski, J. M. Gerdes, O. Janka:
On the RE₂TiAl₃ (RE = Y, Gd–Tm, Lu) series – the first aluminum representatives of the rhombohedral Mg₂Ni₃Si type structure
Solids 2023, 4, 166-180.
[DOI: 10.3390/solids4030011]

141

R. Pöttgen, O. Janka:
CeCr₂Al₂₀-type intermetallics – Structure-property relationships
Rev. Inorg. Chem. 2023, 43, 357-383.
[DOI: 10.1515/revic-2023-0012]

140

E. C. J. Gießelmann, M. Radzieowski, S. F. Matar, O. Janka:
Formation of the Sub-Oxide Sc₄Au₂O_1–x and Drastically Negative ²⁷Al NMR Shift in Sc₂Al
Inorg. Chem. 2023, 62, 9602-9617.
[DOI: 10.1021/acs.inorgchem.3c01097]

139

J. Wiethölter , A. Koldemir , M. K. Reimann , T. Block , J. Kösters , O. Janka, R. Pöttgen:
Mössbauer-spectroscopic characterization of the stannides Sr₂Pd₂Sn and Eu₂Pd₂Sn
Z. Naturforsch. B 2023, 78b, 301-306.
[DOI: 10.1515/znb-2023-0015]

138

137

E. C. J. Gießelmann, S. Engel, W. Kostusiak, Y. Zhang, P. Herbeck-Engel, G. Kickelbick, O. Janka:
Raman and NMR Spectroscopic and Theoretical Investigations of the Cubic Laves-Phases REAl₂ (RE = Sc, Y, La, Yb, Lu)
Dalton Trans. 2023, 52, 3391-3402.
[DOI: 10.1039/D3DT00141E]

136

A. Michaely, O. Janka, E. C. J. Gießelmann, R. Haberkorn, H. T. A. Wiedemann, C. W. M. Kay, G. Kickelbick:
Black Titania and Niobia within Ten Minutes – Mechanochemical Reduction of Metal Oxides with Alkali Metal Hydrides
Chem. Eur. J. 2023, 29, e202300223.
[DOI: 10.1002/chem.202300223]

135

S. Engel, E. C. J. Gießelmann, L. E. Schank, G. Heymann, K. Brix, R. Kautenburger, H. P. Beck, O. Janka:
Theoretical and ²⁷Al NMR Spectroscopic Investigations of Binary Intermetallic Alkaline-Earth Aluminides
Inorg. Chem. 2023, 62, 4260–4271.
[DOI: 10.1021/acs.inorgchem.2c04391]

134

S. Engel, N. Zaremba, R. S. Touzani, O. Janka:
Eu₄Al₁₃Pt₉ – A Coloring Variant of the Ho₄Ir₁₃Ge₉ Type Structure
Z. Naturforsch. 2023, 78b, 147-156.
[DOI: 10.1515/znb-2023-0300]

133

M. A. Mohamed, S. Arnold, O. Janka, A. Quade, V. Presser, G. Kickelbick:
Self-activation of Inorganic-Organic Hybrids derived via Continuous Synthesis of Polyoxomolybdate and para-Phenylenediamine enables very High Lithium-Ion Storage Capacity
ChemSusChem 2022, 16, e202202213.
[DOI: 10.1002/cssc.202202213]

132

N. Zaremba, V. Pavlyuk, F. Stegemann, V. Hlukhyy, S. Engel, S. Klenner, R. Pöttgen, O. Janka:
MAl₄Ir₂ (M = Ca, Sr, Eu) – Superstructures of the KAu₄In₂ type
Monatsh. Chem. 2022, 154, 43–52.
[DOI: 10.1007/s00706-022-03005-8]

131

H. Hübner, B.-J. Niebuur, O. Janka, L. Gemmer, M. Koch, T. Kraus, G. Kickelbick, B. Stühn, M. Gallei:
Crystalline Carbosilane-Based Block Copolymers: Synthesis by Anionic Polymerization and Morphology Evaluation in the Bulk State
Macromol. Chem. Phys. 2022, 225, 2200178.
[DOI: 10.1002/macp.202200178]

130

J. Keuter, M. Dimitrova, O. Janka, A. Hepp, R. J. F. Berger, F. Lips:
An Anionic Amido-Substituted Seven-Vertex Siliconoid Cluster
Chem. Eur. J. 2022, 28, e202201473.
[DOI: 10.1002/chem.202201473]

129

S. Baur, K. Brix, A. Feuerstein, O. Janka, R. Kautenburger:
Retention of waste cocktail elements onto characterised calcium silicate hydrate (C–S–H) phases: A kinetic study under highly saline and hyperalkaline conditions
Appl. Geochem. 2022, 143, 105319.
[DOI: 10.1016/j.apgeochem.2022.105319]

128

J. P. Scheifers, J. Flores, O. Janka, R. Pöttgen,B. P.T. Fokwa:
Triangular Arrangement of Ferromagnetic Iron Chains in the High-T_C Ferromagnet TiFe_1−xOs_2+xB₂
Chem. Eur. J. 2022, 28, e202201058.
[DOI: 10.1002/chem.202201058]

127

S. Engel, J. Bönnighausen, F. Stegemann, R. S. Touzani, O. Janka:
SrAl₅Pt₃ and Sr₂Al₁₆Pt₉ – two new strontium aluminum platinides
Z. Naturforsch B. 2022, 77b, 367-379.
[DOI: 10.1515/znb-2022-0012]

126

M. Hämmer, F. Pielnhofer, O. Janka, H. Takahashi, P. Gross, R. Pöttgen, H. A. Höppe:
Polymorphism and Optical, Magnetic and Thermal Properties of the either Phyllo- or Inosilicate-analogous Borosulfate Cu[B₂(SO₄)₄]
Dalton Trans. 2022, 51, 3104-3115.
[DOI: 10.1039/D1DT04090A]

125

A. K. Boehm, S. Husmann, M. Besch, O. Janka, V. Presser, M. Gallei:
Porous Mixed-Metal Oxide Li-Ion Battery Electrodes by Shear-Induced Co-assembly of Precursors and Tailored Polymer Particles
ACS Appl. Mater. Interfaces 2021, 13, 61166-61179.

124

W. Cao, S. Yin, M. Bitsch, S. Liang, M. Plank, M. Opel, M. A. Scheel, M. Gallei, O. Janka, M. Schwartzkopf, S. V. Roth, P. Müller-Buschbaum:
In Situ Study of FePt Nanoparticles-Induced Morphology Development during Printing of Magnetic Hybrid Diblock Copolymer Films
Adv. Funct. Mater. 2021, 32, 2107667.

123

E. Gießelmann, Rachid S. Touzani, B. Morgenstern, O. Janka:
Synthesis, Crystal and Electronic Structure of CaNi₂Al₈
Z. Naturforsch. 2021, 76b, 659-668.

122

F. Stegemann, T. Block, S. Klenner, Y. Zhang, B. P. T. Fokwa, C. Doerenkamp, H. Eckert, O. Janka:
Structural, Physical, Theoretical and Spectroscopic Investigations of Mixed-Valent Eu₂Ni₈Si₃ and its Structural anti-Type Sr₂Pt₃Al₈
Eur. J. Inorg. Chem. 2021, 3832-3845.

121

l. Wang, K. Frisella, P. Srimuk, O. Janka, G. Kickelbick, V. Presser:
Electrochemical lithium recovery with lithium iron phosphate: What causes performance degradation and how can we improve the stability?
Sustain. Energy Fuels 2021, 5, 3124-3133.

120

S. Pohl, O. Janka, E. Füglein, G. Kickelbick:
Thermoplastic Silsesquioxane Hybrid Polymers with a Local Ladder-Type Structure
Macromolecules 2021, 54, 3873–3885.

119

E. Selb, T. Buttlar, O. Janka, M. Tribus, S. G. Ebbinghaus, G. Heymann:
Multianvil high-pressure/high-temperature synthesis and characterization of magnetoelectric HP-Co₃TeO₆
J. Mater. Chem. C 2021, 9, 5486–5496.

118

D. D. Zimmermann, O. Janka, C. Buyer, R. Niewa, Th. Schleid:
Nd₅OF₅Se₄ and Sm₅OF₅Se₄: New layered oxide fluoride selenides of the lanthanoids
Solid State Sci. 2021, 116, 106601.

117

P. Shankhari, O. Janka, R. Pöttgen, B. P. T. Fokwa:
Rare-Earth-free Magnets: Enhancing Magnetic Anisotropy and Spin Exchange Toward High-T_C Hf₂MIr₅B₂(M = Mn, Fe)
J. Am. Chem. Soc. 2021, 143, 4205–4212.

116

E. M. Heppke, S. Klenner, O. Janka, R. Pöttgen, T. Bredow, M. Lerch:
Cu₂ZnSbS₄ – A thioantimonate(V) with remarkably strong covalent Sb–S bonding
Inorg. Chem. 2021, 60, 2730–2739.

115

M. Radzieowski, T. Block, J. Koppe, M. R. Hansen, R. Pöttgen, O. Janka:
(Pseudo)binary Antimonides: Insights on Local Ordering and Effective Charge Configurations from ¹²¹Sb MAS NMR and Mössbauer Spectroscopies
J. Phys. Chem. C, 2021, 125, 1454–1466.

114

P. Pues, F. Baur, S. Schwing, D. Rytz, R. Pöttgen, C. Paulsen, O. Janka, B. Rendenbach, D. Johrendt, T. Jüstel:
Temperature and time-dependent luminescence of single crystals of KTb₃F₁₀
J. Lumin, 2020, 227, 117523.

113

L. Pasqualini, O. Janka, S. Olthof, H. Huppertz, K. Liedl, R. Pöttgen, M. Podewitz, J. Bruns:
Ni[B₂(SO₄)₄] and Co[B₂(SO₄)₄]: Unveiling systematic trends in phyllosilicate analogue borosulfates
Chem. Eur. J., 2020, 26, 17405-17415.

112

C. Funk, O. Reckeweg, F. J. DiSalvo, A. Schulz, S. Klenner, R. Pöttgen, O. Janka, Th. Schleid:
A New Class of Mixed-Valent Europium Halide ortho-Oxoborates: Eu₆X[BO₃]₄ (X = Cl, Br and I)
J. Alloys Compd., 2020, 844, 156038.

111

M. Hämmer, O. Janka, J. Böddinghausen, S. Klenner, R. Pöttgen, H. A. Höppe:
On the Phosphors Na₅M(WO₄)₄ (M = Y, La-Nd, Sm-Lu, Bi) - Crystal Structures, Thermal Decomposition, Optical and Magnetic Properties
Dalton Trans., 2020, 49, 8209-8225 .

110

F. Eustermann, M. Eilers-Rethwisch, M. K. Reimann, O. Janka:
Synthesis and magnetic properties of the extended RE₄Pd₉Al₂₄ series (RE = Sc, Y, Ce–Nd, Sm, Gd–Lu)
Z. Naturforsch. B, 2020, 75, 633-641.

109

F. Eustermann, M. Eilers-Rethwisch, M. K. Reimann, O. Janka:
Structural transition and antiferromagnetic ordering in the solid solution CePd_1–xAu_xAl (x = 0.1–0.9)
Z. Naturforsch. B, 2020, 75, 895-901.

108

M. Radziewoski, S. Klenner, R.-D. Hoffmann, O. Janka:
Structure Solution of Incommensurately Modulated La₆MnSb₁₅
Z. Kristallogr., 2020, 235, 291-301.

107

F. Stegemann, Y. Zhang, B. P. T. Fokwa, O. Janka:
On the Formation of the Gd₃Ru₄Al₁₂ versus the Y₂Co₃Ga₉ Type Structure – M₃Rh₄Al₁₂ (M = Ca, Eu) versus M₂T₃Al₉ (M = Ca, Sr, Eu, Yb; T = Ir, Pt).
Dalton Trans., 2020, 49, 6398-6406.

106

M. Zoller, R. Bubnova, S. Filatov, Y. Biryukov, E. Haussühl, R. Pöttgen, O. Janka, S. Penner, C. Praty, H. Fitzek, J. Winkler, H. Huppertz:
Elucidating the physical properties of the molybdenum oxide Mo₄O₁₁ and its tantalum substituted variant Mo₂Ta₂O₁₁
Z. Kristallogr., 2020, 235, 143-155.

105

M. Radzieowski, F. Stegemann, S. Klenner, O. Janka:
On the Divalent Character of the Eu Atoms in the Ternary Zintl Phases Eu₅In₂Pn₆ and Eu₃MAs₃ (Pn = As-Bi; M = Al, Ga)
Mater. Chem. Front., 2020, 4, 1231-1248.
[DOI: 10.1039/C9QM00703B]

104

M. Radzieowski, F. Stegemann, O. Janka:
Magnetic Properties of the RE₂Pt₆X₁₅ (RE = Y, La-Nd, Sm, Gd-Lu; X = Al, Ga) Series
Eur. J. Inorg. Chem., 2020, 1199-1210.
[DOI: 10.1002/ejic.201901332]

103

S. Engelbert, O. Janka, S. Klenner, R. Pöttgen:
Tin-rich Phases RE₂Au₃Sn₆ with RE = La, Ce, Pr, Nd, Sm - Synthesis, Structure, Magnetic Properties, and ¹¹⁹Sn Mössbauer Spectra
Z. Anorg. Allg. Chem., 2020, 646, 1508-1516.
[DOI: 10.1002/zaac.201900329]

M. Radzieowski, F. Stegemann, J. Bönnighausen, O. Janka:
Physical and Magnetocaloric Properties of TbPdAl₂ and the Ferromagnetic Solid Solution Tb_1-xLu_xPdAl₂ (x = 0.1-0.9)
Inorg. Chem., 2020, 59, 1137-1144.
[DOI: 10.1021/acs.inorgchem.9b02753]

101

C. Paulsen, T. Block, C. Benndorf, O. Oeckler, J. Bönnighausen, O. Janka, R. Pöttgen:
Au₄ squares and linear infinite cadmium chains as building units in the intermetallic phases REAu₄Cd₂ (RE = La-Nd, Sm) with YbAl₄Mo₂ type structure
Z. Naturforsch., 2020, 75b, 73-82.
[DOI: 10.1515/znb-2019-0153]

100

M. Witt, J. Bönnighausen, F. Eustermann, A. Savourat, J. Scheifers, B. P. T. Fokwa, C. Doerenkamp, H. Eckert, O. Janka:
Extending the Knowledge on the Quaternary Rare Earth Nickel Aluminum Germanides of the RENiAl₄Ge₂ Series (RE = Y, Sm, Gd-Tm, Lu) - Structural, Magnetic and NMR-Spectroscopic Investigations
Z. Naturforsch., 2020, 75b, 149-162.
[DOI: 10.1515/znb-2019-0176]

O. Janka, R. Pöttgen:
The Role of Beryllium in Alloys, Zintl Phases and Intermetallic Compounds
Z. Naturforsch., 2020, 75b, 421-439.
[DOI: 10.1515/znb-2019-0105]

98

S. Engelbert, F. Stegemann, J. Bönnighausen, S. Klenner, O. Janka, R. Pöttgen:
Intermetallics of the types REPd₃X₂ and REPt₃X₂ (RE = La-Nd, Sm, Gd, Tb; X = In, Sn) with substructures featuring tin and In atoms in distorted square-planar coordination
Z. Naturforsch., 2019, 74b, 865-878.
[DOI: 10.1515/znb-2019-0166]

97

E. M. Heppke, S. Klenner, O. Janka, R. Pöttgen, M. Lerch:
Mechanochemical synthesis of Cu₂MgSn₃S₈ and Ag₂MgSn₃S₈
Z. Allg. Anorg. Chem., 2019, 646, 5-9.
[DOI: 10.1002/zaac.201900190]

96

F. Eustermann, F. Stegemann, M. Radzieowski, O. Janka:
Intermetallic RE₆T₅Al₇ Phases (RE = Sc, Y, Ce-Nd, Sm, Gd-Lu, T = Ru, Ir) - Diversity in their Magnetic, Magnetocaloric and Critical Properties
Inorg. Chem., 2019, 58, 16211-16226.
[DOI: 10.1021/acs.inorgchem.9b02732]

95

F. Stegemann, J. Stahl, M. Bartsch, H. Zacharias, D. Johrendt, O. Janka:
Temperature Induced Valence Phase Transition in Intermediate-Valent YbPd₂Al₃
Chem. Sci., 2019, 10, 11086-11094.
[DOI: 10.1039/C9SC04437J]

94

F. Stegemann, R. St. Touzani, O. Janka:
Unusually Strong Heteroatomic Bonding in the Complex Polyanion of Intermetallic Ba₆Pt₂₂Al₅₃
Dalton Trans., 2019, 48, 14103-14114.
[DOI: 10.1039/C9DT02653C]

93

A. Egeberg, T. Block, O. Janka, O. Wenzel, D. Gerthsen, R. Pöttgen, C. Feldmann:
Lithiumpyridinyl-driven Synthesis of High-Purity Zero-valent Iron Nanoparticles and Their Use in Follow-up Reactions
Small, 2019, 15, 1902321.
[DOI: 10.1002/smll.201902321]

92

F. Stegemann, T. Block, S. Klenner, Y. Zhang, B. P. T. Fokwa, A. Timmer, H. Mönig, C. Doerenkamp, H. Eckert, O. Janka:
From 3D to 2D: Structural, Spectroscopical and Theoretical Investigations of the Dimensionality Reduction in the [PtAl₂]^δ- Polyanions of the Isotypic MPtAl₂ Series (M = Ca-Ba, Eu)
Chem. Eur. J., 2019, 10735-10747.
[DOI: 10.1002/chem.201901867]

91

M. Radzieowski, F. Stegemann, C. Doerenkamp, S. Matar, H. Eckert, C. Dosche, G. Wittstock, O. Janka:
Correlations of Crystal and Electronic Structure via NMR and XPS Spectroscopy in the RETMAl₂ (RE = Sc, Y, La-Nd, Sm, Gd-Tm, Lu; TM = Ni, Pd, Pt) Series
Inorg. Chem., 2019, 58, 7010-7025.
[DOI: 10.1021/acs.inorgchem.9b00648]

90

L. Funke, O. Janka, R. Pöttgen, L. Glebov, M. R. Hansen, H. Eckert:
Short and Medium Range Order in Photothermal Refractive Glass Revealed by Solid-State NMR Techniques
J. Phys. Chem. C, 2019, 123, 12411-12422.
[DOI: 10.1021/acs.jpcc.9b02143]

89

F. Stegemann, O. Janka:
New Members of the Tetragonal RE₁₄T₃Al₃ (RE = Sc, Y, Dy-Tm, Lu; T = Cu, Rh, Pd) Series
Monatsh. Chem., 2019, 150, 1175-1185.
[DOI: 10.1007/s00706-019-02434-2]

88

F. Stegemann, T. Block, S. Klenner, O. Janka:
An Unusual Valence State - Trivalent Europium in Intermetallic Eu₂Ir₃Al₉
Chem. Eur. J., 2019, 25, 3505-3509.
[DOI: 10.1002/chem.201806297]

F. Stegemann, O. Janka:
Crystal structure and magnetic properties of the ternary rare earth metal-rich transition metallides RE₁₄T₃Al₃ (RE = Y, Gd-Tm, Lu; T = Co, Ni)
Z. Naturforsch., 2019, 74b, 125-136.
[DOI: 10.1515/znb-2018-0196]

86

S. D. Kloß, O. Janka, T. Block, R. Pöttgen, R. Glaum, W. Schnick:
Open-shell 3d Transition Metal Nitridophosphates M^IIP₈N₁₄ (M^II = Fe, Co, Ni) by High-pressure Metathesis
Angew. Chem., 2019, 131, 4733-4737.
[DOI: 10.1002/ange.201809146]

85

M. Radzieowski, T. Block, S. Klenner, Y. Zhang, B. P. T. Fokwa, O. Janka:
Synthesis, Crystal and Electronic Structure, Physical Properties and ¹²¹Sb and ¹⁵¹Eu Mössbauer Spectroscopy of the Eu₁₄AlPn₁₁ series (Pn = As, Sb)
Inorg. Chem. Front., 2019, 6, 137-147.
[DOI: 10.1039/C8QI01099D]

84

J. Exner, S. Eusterwiemann, O. Janka, C. Doerenkamp, A. Massolle, O. Niehaus, C. G. Daniliuc, R. Pöttgen, J. Neugebauer, A. Studer, H. Eckert:
Antiferromagnetic Ordering Based on Intermolecular London Dispersion Interactions in Amphiphilic TEMPO Ammonium Salts
Phys. Chem. Chem. Phys., 2018, 20, 28979-28983.
[DOI: 10.1039/C8CP05837G]

C. Stoll, O. Janka, R. Pöttgen, M. Seibald, D. Baumann, K. Wurst, H. Huppertz:
Short-Range Antiferromagnetic Ordering of Netlike S = 1/2 Linear Trimeric Units in the Copper Germanate K₂Cu₃Ge₄O₁₂
Inorg. Chem., 2018, 57, 14421-14426.
[DOI: 10.1021/acs.inorgchem.8b02594]

F. Stegemann, O. Janka:
Two series of rare earth metal-rich ternary aluminium transition metallides - RE₆Co₂Al (RE = Sc, Y, Nd, Sm, Gd-Tm, Lu) and RE₆Ni_2.25Al_0.75 (RE = Y, Gd-Tm, Lu)
Z. Naturforsch., 2018, 73b, 927-942.
[DOI: 10.1515/znb-2018-0153]

F. Eustermann, F. Stegemann, S. Gausebeck, O. Janka:
Structural and magnetic investigations of the pseudo-ternary RE₂TAl₃ series (RE = Sc, Y, La-Nd, Sm, Gd-Lu; T = Ru, Rh, Ir) - size dependent formation of two different structure types
Z. Naturforsch., 2018, 73b, 819-830.
[DOI: 10.1515/znb-2018-0124]

S. Eusterwiemann, C. Doerenkamp, T. Dresselhaus, O. Janka, C.G. Daniliuc, R. Pöttgen, A. Studer, H. Eckert, J. Neugebauer:
Ferro- or Antiferromagnetism? Heisenberg Chains in the Crystal Structures of Verdazyl Radicals
Phys. Chem. Chem. Phys., 2018, 20, 22902-22908.
[DOI: 10.1039/C8CP03332C]

M. Glätzle, O. Janka, V. Svitlyk, D. Chernyshov, M. Bartsch, H. Zacharias, R. Pöttgen, H. Huppertz:
The high-pressure oxide Tb₃O₅ and its non-centrosymmetric low-temperature polymorph - a comprehensive study
Chem. Eur. J., 2018, 24, 15236-15245.
[DOI: 10.1002/chem.201804006]

P. Sander, A. Marković, M. Schmidtmann, O. Janka, G. Wittstock, R. Beckhaus:
Synthesis, Crystal Structures, and Magnetic and Electrochemical Properties of Highly Phenyl Substituted Trinuclear 5,6,11,12,17,18-Hexaazatrinaphthylene (HATNPh₆)-Bridged Titanium Complexes
Inorg. Chem., 2018, 57, 11165-11174.
[DOI: 10.1021/acs.inorgchem.8b01728]

M. Radzieowski, F. Stegemann, T. Block, J. Stahl, D. Johrendt, O. Janka:
Abrupt Europium Valence Change in Eu₂Pt₆Al₁₅ Around 45 K
J. Am. Chem. Soc., 2018, 140, 8950-8957.
[DOI: 10.1021/jacs.8b05188]

Z. Dong, O. Janka, J. Kösters, M. Schmidtmann, T. Müller:
A Dimeric η¹,η⁵-Germole Dianion - Bridged Titanium(III) Complex with a Multicenter Ti-Ge-Ge-Ti Bond
Angew. Chem., 2018, 130, 8770-8774.
[DOI: 10.1002/ange.201804447]

F. Eustermann, S. Gausebeck, C. Dosche, M. Haensch, G. Wittstock, O. Janka:
Crystal Structure, Spectroscopic Investigations, and Physical Properties of the Ternary Intermetallic REPt₂Al₃ (RE = Y, Dy-Tm) and RE₂Pt₃Al₄ Representatives (RE = Tm, Lu)
Crystals, 2018, 8, 169.
[DOI: 10.3390/cryst8040169]

O. Janka, R.-D. Hoffmann, B. Heying, R. Pöttgen:
Structural Phase Transitions in YPtGe₂ and GdPtGe₂
Dalton Trans., 2018, 47, 6075-6088.
[DOI: 10.1039/C8DT00815A]

J. Bruns, M. Podewitz, K. R. Liedl, O. Janka, R. Pöttgen, H. Huppertz:
Cu[B₂(SO₄)₄] and Cu[B(SO₄)₂(HSO₄)] - two silicate analogue borosulfates differing in their dimensionality: a comparative study of stability and acidity
Angew. Chem., 2018, 130, 9693-9697.
[DOI: 10.1002/ange.201803395]

S. Engelbert, O. Janka:
RE₄TAl (RE = Y, Sm, Gd-Tm, Lu; T = Pd, Pt) - Synthesis and magnetism of new aluminum representatives with the Gd₄RhIn type structure
Intermetallics, 2018, 96, 84-89.
[DOI: 10.1016/j.intermet.2018.02.016]

G. Galleani, S. H. Santagneli, Y. Ledemi, Y. Messaddeq, O. Janka, R. Pöttgen, H. Eckert:
Ultraviolet Upconversion Luminescence in a Highly Transparent Triply-Doped Gd³⁺-Tm³⁺-Yb³⁺ Fluoride-Phosphate Glasses
J. Phys. Chem. C, 2018, 122, 2275-2284.
[DOI: 10.1021/acs.jpcc.7b09562]

P. Bielec, O. Janka, T. Block, R. Pöttgen, W. Schnick:
Fe₂Si₅N₈ - Access to Open-Shell Transition Metal Nitridosilicates
Angew. Chem. Int. Ed., 2018, 57, 2409-2412.
[DOI: 10.1002/anie.201713006]

Z. Haque, G. S. Thakur, G. K. Selvan, T. Block, O. Janka, R. Pöttgen, A. G. Joshi, R. Parthasarathy, S. Arumugam, L. C. Gupta, A. K. Ganguli:
Valence State of Eu and Superconductivity in Se-Substituted EuSr₂Bi₂S₄F₄ and Eu₂SrBi₂S₄F₄
Inorg. Chem., 2018, 57, 37-44.
[DOI: 10.1021/acs.inorgchem.7b01555]

K. Rosenstengel, A. Schulz, O. Niehaus, O. Janka, R. Pöttgen, A. Villinger:
Binary Polyazides Of Cerium And Gadolinium
Eur. J. Inorg. Chem., 2018, 778-790.
[DOI: 10.1002/ejic.201701408]

67

X. Tao, C. G. Daniliuc, O. Janka, R. Pöttgen, R. Knitsch, M. R. Hansen, H. Eckert, M. Lübbesmeyer, A. Studer, G. Kehr, G. Erker:
Reduction of Dioxygen by Radical/B(p-Cy₆F₄X)₃ Pairs to Give Isolable Bis(borane)superoxide Compounds
Angew. Chem. Int. Ed., 2017, 56, 16868-16871.
[DOI: 10.1002/ange.201709309]

66

A. Werwein, F. Maass, L. Y. Dorsch, O. Janka, R. Pöttgen, T. C. Hansen, J. Kimpton, H. Kohlmann:
Hydrogenation Properties of Laves Phases LnMg₂ (Ln = La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Ho, Er, Tm, Yb)
Inorg. Chem., 2017, 56, 15006-15014.
[DOI: 10.1021/acs.inorgchem.7b02319]

65

F. Eustermann, M. Eilers-Rethwisch, K. Renner, R.-D. Hoffmann, R. Pöttgen, O. Janka:
Magnetic properties of the germanides RE₃Pt₄Ge₆ (RE = Y, Pr, Nd, Sm, Gd-Dy)
Z. Naturforsch., 2017, 72b, 855-864.
[DOI: 10.1515/znb-2017-0123]

64

J. Keuter, K. Schwedtmann, A. Hepp, K. Bergander, O. Janka, C. Doerenkamp, H. Eckert, C. Mück-Lichtenfeld, F. Lips:
Diradicaloid or Zwitterionic Character: The non-tetrahedral, unsaturated [Si₄{N(SiMe₃)Dipp}₄] with butterfly-type Si₄ substructure
Angew. Chem. Int. Ed., 2017, 56, 13866-13871.
[DOI: 10.1002/anie.201705787]

63

G. Heymann, E. Selb, M. Kogler, T. Götsch, E.-M. Köck, S. Penner, M. Tribus, O. Janka:
Li₃Co_1.06(1)TeO₆: Synthesis, single-crystal structure and physical properties of a new tellurate compound with Co^II/Co^III mixed valence and orthogonally oriented Li-ion channels
Dalton Trans., 2017, 46, 12663-12674.
[DOI: 10.1039/C7DT02663C]

62

J. Bruns, M. Podewitz, M. Schauperl, K. R. Liedl, O. Janka, R. Pöttgen, H. Huppertz:
Ag[B(SO₄)₂] - Synthesis, Crystal Structure, and Characterization of the First Precious-Metal Borosulfate
Eur. J. Inorg. Chem., 2017, 2017, 3981-3989.
[DOI: 10.1002/ejic.201700360]

61

M. K. Schmitt, O. Janka, R. Pöttgen, K. Wurst, H. Huppertz:
The High-Pressure Nickel Borate Hydrate Ni₃B₁₈O₂₈(OH)₄ · H₂O
Eur. J. Inorg. Chem., 2017, 2017, 3508-3515.
[DOI 10.1002/ejic.201700464]

60

E. Selb, T. Götsch, O. Janka, S. Penner, G. Heymann:
Crystal Structures of the High-Pressure Palladium Dichalcogenides Pd_0.94(1)S₂ and Pd_0.88(1)Se₂ Comprising Exceptional Pd^IV Oxidation States
Z. Anorg. Allg. Chem., 2017, 643, 1415-1423.
[DOI 10.1002/zaac.201700140]

59

S. Tencé, B. Heying, O. Janka, R. Pöttgen, B. Chevalier:
Hydrogenation-induced cerium valence change in CeNiZn
J. Alloys Compds., 2017, 724, 515-519.
[DOI 10.1016/j.jallcom.2017.07.038]

58

S. Eusterwiemann, C. Doerenkamp, T. Dresselhaus, O. Janka, M. de Oliveira Jr., C. G. Daniliuc, H. Eckert, J. Neugebauer, R. Pöttgen, A. Studer:
Strong Intermolecular Antiferromagnetic Verdazyl-Verdazyl Coupling in the Solid State
Phys. Chem. Chem. Phys., 2017, 19, 15681-15685.
[DOI 10.1039/C7CP02950K]

57

M. K. Schmitt, O. Janka, R. Pöttgen, H. Huppertz:
Structure Elucidation and Characterization of the High-Pressure Nickel Borate Hydroxide NiB₃O₅(OH)
Z. Anorg. Allg. Chem., 2017, 643, 1344-1350.
[DOI 10.1002/zaac.201700130]

56

C. Benndorf, H. Eckert, O. Janka:
Structural Characterization of Intermetallic Compounds by ²⁷Al Solid State NMR Spectroscopy
Acc. Chem. Res., 2017, 50, 1459-1467.
[DOI 10.1021/acs.accounts.7b00153]

55

F. Eustermann, F. Stegemann, K. Renner, O. Janka:
Platinum Triangles in the Pt/Al Framework of the Intermetallic REPt₆Al₃ (RE = Ce-Nd, Sm, Gd, Tb) Series
Z. Anorg. Allg. Chem., 2017, 643, 1836-1843.
[DOI 10.1002/zaac.201700090]

54

F. Stegemann, C. Benndorf, Y. Zhang, M. Bartsch, H. Zacharias, B. P. T. Fokwa, H. Eckert, O. Janka:
On Ternary Intermetallic Aurides: CaAu₂Al₂, SrAu_2-xAl_2+x and Ba₃Au_5+xAl_6-x
Z. Anorg. Allg. Chem., 2017, 643, 1379-1390.
[DOI 10.1002/zaac.201700103]

53

S. Eusterwiemann, T. Dresselhaus, C. Doerenkamp, O. Janka, O. Niehaus, A. Massolle, C. G. Daniliuc, H. Eckert, R. Pöttgen, J. Neugebauer, A. Studer:
Cooperative Magnetism in Crystalline N-Aryl-substituted Verdazyl Radicals: First-Principles Predictions and Experimental Results
Chem. Eur. J., 2017, 23, 6069-6082.
[DOI 10.1002/chem.201700988]

52

M. K. Schmitt, O. Janka, R. Pöttgen, C. Benndorf, M. de Oliveira Jr., H. Eckert, F. Pielnhofer, A.-S. Tragl, R. Weihrich, B. Joachim, D. Johrendt, H. Huppertz:
Mo₂B₄O₉ - Connecting borate and metal cluster chemistry
Angew. Chem., 2017, 56, 6449-6453.
[DOI 10.1002/anie.201701891]

51

M. K. Schmitt, O. Janka, O. Niehaus, T. Dresselhaus, J. Neugebauer, R. Pöttgen, F. Pielnhofer, R. Weihrich, M. Krzhizhanovskaya, S. Filatov, R. Bubnova, L. Bayarjargal, B. Winkler, R. Glaum and H. Huppertz:
Synthesis and Characterization of the New High Pressure Nickel Borate γ-NiB₄O₇
Inorg. Chem., 2017, 56, 4217-4228.
[DOI 10.1021/acs.inorgchem.7b00243]

50

M. Radzieowski, F. Stegemann, R.-D. Hoffmann, O. Janka:
The Monoclinic Superstructure of the M₂Pt₆Al₁₅ Series (M = Ca, Sc, Y, La, Lu)
Z. Kristallogr., 2017, 232, 675-687.
[DOI 10.1515/zkri-2017-2050]

49

M. Radzieowski, T. Block, T. Fickenscher, Y. Zhang, B. P. T. Fokwa, O. Janka:
Synthesis, Crystal and Electronic Structures, Physical Properties and ¹²¹Sb and ¹⁵¹Eu Mössbauer Spectroscopy of the Alumo-Antimonide Zintl-Phase Eu₅Al₂Sb₆
Mater. Chem. Front., 2017, 1, 1563-1572.
[DOI 10.1039/C7QM00057J]

48

C. Backes, A. Isaeva, O. Janka:
Trendberichte: Festkörperchemie 2016
Nachrichten aus der Chemie, 2017, 65, 255-265.
Zugang über die GDCh
[DOI 10.1002/nadc.20174059830]

47

B. Anke, S. Hund, C. Lorent, O. Janka, T. Block, R. Pöttgen, M. Lerch:
Synthesis, Crystal Structure, and Magnetic Properties of Pyrochlore-Type Eu₂Ta₂(O,N)_7+δ
Z. Anorg. Allg. Chem., 2017, 643, 1824-1830.
[DOI 10.1002/zaac.201700024]

46

C. Benndorf, F. Stegemann, S. Seidel, L. Schubert, M. Bartsch, H. Zacharias, B. Mausolf, F. Haarmann, H. Eckert, R. Pöttgen, O. Janka:
Equiatomic AEAuX (AE = Ca-Ba, X = Al-In) Intermetallics - A Systematic Study of the Electronic Structure and Spectroscopic Properties
Chem. Eur. J., 2017, 23, 4187-4196.
[DOI 10.1002/chem.201605838]

45

S. Seidel, O. Janka, C. Benndorf, B. Mausolf, F. Haarmann, H. Eckert, L. Heletta, R. Pöttgen:
Ternary rhombohedral Laves phases RE₂Rh₃Ga (RE = Y, La-Nd, Sm, Gd-Er)
Z. Naturforsch. B, 2017, 72, 289-303.
[DOI 10.1515/znb-2016-0265]

44

T. Lüdtke, D. Wiedemann, I. Efthimiopoulos, N. Becker, S. Seidel, O. Janka, R. Pöttgen, R. Dronskowski, M. Koch-Müller, M. Lerch:
HP-MoO₂ - A High-Pressure Polymorph of Molybdenum Dioxide
Inorg. Chem., 2017, 56, 2321-2327.
[DOI 10.1021/acs.inorgchem.6b03067]

43

S. Peschke, V. Weippert, A. Senyshyn, M. Mühlbauer, O. Janka, R. Pöttgen, S. Holenstein, H. Luetkens, D. Johrendt:
Flux synthesis, crystal structures, and magnetic ordering of the rare-earth chromium(II) oxyselenides RE₂CrSe₂O₂ (RE = La-Nd)
Inorg. Chem., 2017, 56, 2241-2247.
[DOI 10.1021/acs.inorgchem.6b02895]

42

S. Seidel, U. Ch. Rodewald, O. Janka, R. Pöttgen:
Ternary gallides RE₄Rh₉Ga₅, RE₅Rh₁₂Ga₇ and RE₇Rh₁₈Ga₁₁ (RE = Y, La-Nd, Sm, Gd, Tb) - Intergrowth structures with MgCu₂ and CaCu₅ related slabs
Z. Kristallogr., 2017, 232, 365-374.
[DOI 10.1515/zkri-2016-2017]

41

F. Eustermann, R.-D. Hoffmann, O. Janka:
Superstructure Formation in PrNi₂Al₃ and ErPd₂Al₃
Z. Kristallogr., 2017, 232, 573-581.
[DOI 10.1515/zkri-2016-2023]

40

F. Stegemann, C. Benndorf, Y. Zhang, M. Bartsch, H. Zacharias, B. P. T. Fokwa, H. Eckert, O. Janka:
Network Formation by Condensed Tetrahedral [Au₃Al] Units in Na₂Au₃Al: Crystal and Electronic Structure, Spectroscopic Investigations and Physical Properties of an Ordered Ternary Auride
Inorg. Chem., 2017, 56, 1919-1931.
[DOI 10.1021/acs.inorgchem.6b02480]

39

T. M. Atkins, J. H. Walton, M. P. Singh, S. Ganguly, O. Janka, A. Y. Louie, S. M. Kauzlarich:
EPR and Structural Characterization of Water Soluble Mn²⁺ Doped Si Nanoparticles
J. Phys. Chem. C, 2017, 121, 1948-1956.
[DOI 10.1021/acs.jpcc.6b11000]

38

C. Benndorf, H. Eckert, O. Janka:
Ternary rare-earth aluminium intermetallics RE₁₀TAl₃ (RE = Y, Ho, Tm, Lu; T = Fe, Co, Ni, Ru, Rh, Pd, Os, Ir, Pt) with an ordered anti-Co₂Al₅ structure
Dalton Trans., 2017, 48, 1083-1092.
[DOI 10.1039/C6DT04314C]

37

G. Heymann, B. Heying, U. Ch. Rodewald, O. Janka:
The high-pressure phase of CePtAl
Z. Naturforsch., 2017, 72b, 77-82.
[DOI 10.1515/znb-2016-0215]

36

O. Janka, J. V. Zaikina, S. K. Bux, H. Tabatabaifara, H. Yang, N. D. Browning, S. M. Kauzlarich:
Microstructure investigations of Yb- and Bi-doped Mg₂Si prepared from metal hydrides for thermoelectric applicationsJ. Solid State Chem., 2017, 245, 152-159.
[DOI 10.1016/j.jssc.2016.10.011]

35

T. Dresselhaus, S. Eusterwiemann, D. R. Matuschek, C. G. Daniliuc, O. Janka, R. Pöttgen, A. Studer, J. Neugebauer:
Black-box determination of temperature dependent susceptibilities for crystalline organic radicals with complex magnetic topologies
Phys. Chem. Chem. Phys., 2016, 18, 28262-28273.
[DOI: 10.1039/C6CP05875B]

34

O. Janka, R.-D. Hoffmann, M. Eilers-Rethwisch, U. Ch. Rodewald, O. Niehaus, R. Pöttgen:
Revisiting Ce₃Pt₄Ge₆ - Crystal Structure and Physical Properties
Inorg. Chem. Front., 2016, 3, 1289-1296.
[DOI: 10.1039/C6QI00248J]

33

J.-P. Schmiegel, T. Block, B. Gerke, T. Fickenscher, R. St. Touzani, B. P. T. Fokwa, O. Janka:
EuAu₃Al₂: Crystal and Electronic Structures, Spectroscopic, Magnetic and Magnetocaloric Properties
Inorg. Chem., 2016, 55, 9057-9064.
[DOI: 10.1021/acs.inorgchem.6b01530]

32

F. Stegemann, O. Janka:
RE₁₆Au_xAl_13-x with RE = La - Nd, Sm (x ≤ 3): Synthesis, Crystal Structure and Physical Properties of an Intermetallic Solid Solution with Barrelane Analogue Units
Dalton Trans., 2016, 45, 13863-13871.
[DOI: 10.1039/C6DT02649D]

31

D. Pfister, K. Schäfer, C. Ott, B. Gerke, R. Pöttgen, O. Janka, M. Baumgartner, R. Weihrich, A. Efimova, A. Hohmann, P. Schmidt, S. Venkatachalam, L. van Wüllen, U. Schürmann, L. Kienle, V. Duppel, E. Parzinger, B. Miller, J. Becker, A. Holleitner, T. Nilges:
Inorganic double helices in semiconducting SnIP
Adv. Mater., 2016, 28, 9783-9791.
[DOI: 10.1002/adma.201603135]

30

F. Stegemann, C. Benndorf, R. St. Touzani, B. P. T. Fokwa, O. Janka:
Experimental and Theoretical Investigations of the Polar Intermetallics SrPt₃Al₂ and Sr₂Pd₂Al
J. Solid State Chem., 2016, 242, 143-150.
[DOI: 10.1016/j.jssc.2016.07.019]

29

O. Janka, O. Niehaus, R. Pöttgen, B. Chevalier:
Cerium Intermetallics with TiNiSi-Type Structure
Z. Naturforsch., 2016, 71b, 737-764.
[DOI: 10.1515/znb-2016-0101]

28

M. Radzieowski, C. Benndorf. S. Haverkamp, H. Eckert, O. Janka:
On New Ternary Equiatomic Scandium Transition Metal Aluminum Compounds ScTAl with T = Cr, Ru, Ag, Re, Pt, and Au
Z. Naturforsch., 2016, 71b, 553-566.
[DOI: 10.1515/znb-2016-0044]

27

R. Pöttgen, O. Janka, B. Chevalier:
Cerium Intermetallics CeTX - Review III
Z. Naturforsch., 2016, 71b, 165-191.
[DOI: 10.1515/znb-2016-0013]

26

F. Stegemann, C. Benndorf, R. St. Touzani, B. P. T. Fokwa, O. Janka:
Sr₂Pd₄Al₅: Synthesis, Crystal and Electronic Structures, and Chemical Bonding of a New Polar Intermetallic Compound
Eur. J. Inorg. Chem., 2016, 2016, 1108-1114.
[DOI: 10.1002/ejic.201501455]

25

G. Heymann, B. Heying, U. Ch. Rodewald, O. Janka, H. Huppertz, R. Pöttgen:
High-pressure high-temperature crystal growth of equiatomic rare earth stannides RENiSn and REPdSn
J. Solid State Chem., 2016, 236, 138-146.
[DOI: 10.1016/j.jssc.2015.06.044]

24

R.-D. Hoffmann, F. Stegemann, O. Janka:
SrPt₂Al₂ - A (3+2)D-incommensurately modulated variant of the CaBe₂Ge₂ type structure
Z. Kristallogr., 2016, 231, 127-142.
[DOI: 10.1515/zkri-2015-1891]

23

F. Stegemann, C. Benndorf, T. Bartsch, R. St. Touzani, M. Bartsch, H. Zacharias, B. P. T. Fokwa, H. Eckert, O. Janka:
Ba₃Pt₄Al₄ - Structure, Properties, Theoretical and NMR Spectroscopic Investigations of a Complex Platinide Featuring Heterocubane [Pt₄Al₄] Units
Inorg. Chem., 2015, 54, 10785-10793.
[DOI: 10.1021/acs.inorgchem.5b01842]

22

D. D. Zimmermann, H. Grossholz, S. Wolf, O. Janka, A. C. Müller, T. Schleid:
Two Hexagonal Series of Lanthanoid(III) Oxide Fluoride Selenides: M₆O₂F₈Se₃ (M = La - Nd) and M₂OF₂Se (M = Nd, Sm, Gd – Ho)
Z. Anorg. Allg. Chem., 2015, 641, 1926-1933.
[DOI: 10.1002/zaac.201500253]

21

O. Niehaus, O. Janka:
Gradual Cerium Valence Change in the Solid Solution CeRu_1-xPd_xAl (x = 0.1-0.9)
Z. Anorg. Allg. Chem., 2015, 641, 1792-1797.
[DOI: 10.1002/ZAAC.201500139]

20

C. Benndorf, O. Niehaus, H. Eckert, O. Janka:
²⁷Al and ⁴⁵Sc NMR Spectroscopy on ScT₂Al and Sc(T_0.5T'_0.5)₂Al (T = T' = Ni, Pd, Pt, Cu, Ag, Au) Heusler Phases and Superconductivity in Sc(Pd_0.5Au_0.5)₂Al
Z. Anorg. Allg. Chem., 2015, 641, 168-175.
[DOI: 10.1002/ZAAC.201400509]

19

O. Janka, T. Shang, R. E. Baumbach, E. D. Bauer, J. D. Thompson, S. M. Kauzlarich:
Structure and Magnetic Properties of Ce₃(Ni/Al/Ga)₁₁ — A New Phase with the La₃Al₁₁ Structure Type
Crystals, 2015, 5, 1-8.
[DOI: 10.3390/cryst5010001]

18

C. Benndorf, F. Stegemann, H. Eckert, O. Janka:
New Transition Metal-rich Rare-Earth Palladium/Platinum Aluminides with RET₅Al₂ Composition: Structure, Magnetism and ²⁷Al NMR Spectroscopy
Z. Naturforsch. B, 2015, 70b, 101-110.
[DOI: 10.1515/znb-2014-0223]

17

S. Seidel, O. Niehaus, S. F. Matar, O. Janka, B. Gerke, U. Ch. Rodewald, R. Pöttgen:
The Gallium Intermetallics REPdGa₃ (RE = La, Ce, Pr, Nd, Sm, Eu) with SrPdGa₃-type Structure
Z. Naturforsch. B, 2014, 69b, 1105-1118.
[DOI: 10.5560/ZNB.2014-4119]

16

B. Gerke, O. Janka, R. Pöttgen:
RE₆Pd₁₃Zn₄ (RE = La–Nd, Sm, Gd, Tb) – New Palladium-rich Phases with Pd@RE₆ Octahedra in bcc Packing
Z. Anorg. Allg. Chem., 2014, 640, 2747-2752.
[DOI: 10.1002/zaac.201400334]

15

O. Niehaus, U. Ch. Rodewald, P. M. Abdala, R. St. Touzani, B. P. T. Fokwa, O. Janka:
Synthesis and Theoretical Investigations of the Solid Solution CeRu_1-xNi_xAl (x = 0.1 - 0.95) Showing Cerium Valence Fluctuations
Inorg. Chem., 2014, 53, 2471-2480.
[DOI: 10.1021/ic402414f]

14

M. Eilers-Rethwisch, O. Niehaus, O. Janka:
Magnetic Ordering in the Solid Solution CePt_1–xPd_xAl (x = 0.1–0.8)
Z. Anorg. Allg. Chem., 2014, 640, 153-158.
[DOI: 10.1002/zaac.201300485]

13

S. K. Bux, A. Zevalkink, O. Janka, D. Uhl, S. M. Kauzlarich, J. G. Snyder, J.-P. Fleurial:
Glass-like lattice thermal conductivity and high thermoelectric efficiency in Yb₉Mn_4.2Sb₉
J. Mater. Chem. A, 2014, 2, 215-220.
[DOI: 10.1039/C3TA14021K]

12

H. Grossholz, D. D. Zimmermann, O. Janka, Th. Schleid:
Oxidfluoridsulfide der Lanthanoide vom Formeltyp M₆O₂F₈S₃ (M = La – Nd, Sm, Gd)
Z. Naturforsch., 2013, 68b, 751-760.
[DOI: 10.5560/ZNB.2013-3110]

11

O. Janka, R. E. Baumbach, J. D. Thompson, E. D. Bauer, S. M. Kauzlarich:
Crystal Structure, Magnetism and Transport Properties of Ce₃Ni_25.75Ru_3.16Al_4.1B₁₀
J. Solid State Chem., 2013, 205, 154-159.
[DOI: 10.1016/j.jssc.2013.05.041]

10

O. Janka, R. E. Baumbach, F. Ronning, J. D. Thompson, E. D. Bauer, S. M. Kauzlarich:
Crystal structure, magnetic and transport properties of CeRu_1-xNi_xAl (x = 0.5)
Z. Anorg. Allg. Chem., 2012, 638, 1996-2000.
[DOI: 10.1002/zaac.201200173]

9

E. D. Bauer, M. M. Altarawneh, P. H. Tobash, K. Gofryk, O. E. Ayala-Valenzuela, J. N. Mitchell, R. D. McDonald, C. H. Mielke, F. Ronning, J.-C. Griveau, E. Colineau, R. Eloirdi, R. Caciuffo, B. L. Scott, O. Janka, S. M. Kauzlarich, J. D. Thompson:
Localized 5f electrons in superconducting PuCoIn₅: consequences for superconductivity in PuCoGa₅
J. Phys.: Condens. Matter, 2011, 24, 052206.
[DOI: 10.1088/0953-8984/24/5/052206]

8

C. M. Schurz, F. Lissner, O. Janka, Th. Schleid:
Synthesis and Crystal Structure of the N^3--Poor Nitride Selenides with the Formula Type M₅NSe₆ (M = La – Pr) Containing Isolated Bitetrahedra N₂M₆¹²⁺
Z. Anorg. Allg. Chem., 2011, 637, 1045–1051.
[DOI: 10.1002/zaac.201100033]

7

H. Grossholz, O. Janka, Th. Schleid:
Oxidfluoridsulfide der Lanthanide vom Formeltyp M₃OF₅S (M = Nd, Sm, Gd – Ho)
Z. Naturforsch., 2011, 66b, 213–220.
[DOI: 10.1515/znb-2011-0301]

6

O. Janka, H. Müller-Bunz, Th. Schleid:
Two Ta₂O₅-Rich Alkali-Metal Lanthanide(III) Oxotantalates(V): K₂LaTa₅O₁₅ and NaTm₂Ta₁₅O₄₁
Z. Anorg. Allg. Chem., 2010, 636. 1865–1869.
[DOI: 10.1002/zaac.201000211]

5

O. Janka, Th. Schleid:
Two Fluoride-Containing Oxotantalates(V) of the Light Lanthanides: NdFTa₂O₆ and La₃Cl₃TaO₅F
Solid State Sci., 2009, 11, 1992–1997.
[DOI: 10.1016/j.solidstatesciences.2009.07.0020]

4

O. Janka, Th. Schleid:
Facile Synthesis of Bastnaesite-Type LaF[CO₃] and its Thermal Decomposition to LaOF for Bulk and Eu³⁺-Doped Samples
Eur. J. Inorg. Chem., 2009, 357–362.
[DOI: 10.1002/ejic.200800931]

3

O. Janka, Th. Schleid:
CuEuFTe und AgBaFTe: Zwei unterschiedliche Münzmetall(I)-Fluorid-Telluride mit unterschiedlichen M²⁺-Kationen
Z. Anorg. Allg. Chem., 2008, 634, 2048.
[DOI: 10.1002/zaac.200870080]

2

O. Janka, Th. Schleid:
TbFCl₂: Das erste Fluoridchlorid der dreiwertigen Lanthanoide
Z. Anorg. Allg. Chem., 2008, 634, 31–33.
[DOI: 10.1002/zaac.200700360]

1

H. Müller-Bunz, O. Janka, Th. Schleid:
Er₃O₂F₅: Ein Erbiumoxidfluorid mit Vernier-Struktur
Z. Anorg. Allg. Chem., 2007, 633, 37–39.
[DOI: 10.1002/zaac.200600274]