Works by Janka, Oliver

Results: 118

Crystalline Carbosilane‐Based Block Copolymers: Synthesis by Anionic Polymerization and Morphology Evaluation in the Bulk State.

Published in:

Macromolecular Chemistry & Physics, 2023, v. 224, n. 3, p. 1, doi. 10.1002/macp.202200178

By:

Hübner, Hanna;
Niebuur, Bart‐Jan;
Janka, Oliver;
Gemmer, Lea;
Koch, Marcus;
Kraus, Tobias;
Kickelbick, Guido;
Stühn, Bernd;
Gallei, Markus

Publication type:

Article

Systematic Investigations of the Solid Solution Zr(V1–xAlx)2 Adopting the Laves Phase Structures.

Published in:

Chemistry - A European Journal, 2025, v. 31, n. 10, p. 1, doi. 10.1002/chem.202404248

By:

Gießelmann, Elias C. J.;
Schumacher, Lars;
Matar, Samir F.;
Engel, Stefan;
Kickelbick, Guido;
Janka, Oliver

Publication type:

Article

One‐pot Functionalization for the Preparation of Cobaltocene‐Modified Redox‐Responsive Porous Microparticles.

Published in:

Chemistry - A European Journal, 2024, v. 30, n. 56, p. 1, doi. 10.1002/chem.202402338

By:

Rittner, Till;
Kim, Jaeshin;
Haben, Aaron;
Kautenburger, Ralf;
Janka, Oliver;
Kim, Jungtae;
Gallei, Markus

Publication type:

Article

Oligo‐Condensation Reactions of Silanediols with Conservation of Solid‐State‐Structural Features.

Published in:

Chemistry - A European Journal, 2024, v. 30, n. 16, p. 1, doi. 10.1002/chem.202303343

By:

Kannengießer, Jan‐Falk;
Morgenstern, Bernd;
Janka, Oliver;
Kickelbick, Guido

Publication type:

Article

Black Titania and Niobia within Ten Minutes -- Mechanochemical Reduction of Metal Oxides with Alkali Metal Hydrides.

Published in:

Chemistry - A European Journal, 2023, v. 29, n. 29, p. 1, doi. 10.1002/chem.202300223

By:

Michaely, Anna;
Janka, Oliver;
Gießelmann, Elias C. J.;
Haberkorn, Robert;
Wiedemann, Haakon T. A.;
Kay, Christopher W. M.;
Kickelbick, Guido

Publication type:

Article

Cover Feature: An Anionic Amido‐Substituted Seven‐Vertex Siliconoid Cluster (Chem. Eur. J. 45/2022).

Published in:

Chemistry - A European Journal, 2022, v. 28, n. 45, p. 1, doi. 10.1002/chem.202202111

By:

Keuter, Jan;
Dimitrova, Maria;
Janka, Oliver;
Hepp, Alexander;
Berger, Raphael J. F.;
Lips, Felicitas

Publication type:

Article

An Anionic Amido‐Substituted Seven‐Vertex Siliconoid Cluster.

Published in:

Chemistry - A European Journal, 2022, v. 28, n. 45, p. 1, doi. 10.1002/chem.202201473

By:

Keuter, Jan;
Dimitrova, Maria;
Janka, Oliver;
Hepp, Alexander;
Berger, Raphael J. F.;
Lips, Felicitas

Publication type:

Article

Triangular Arrangement of Ferromagnetic Iron Chains in the High‐TC Ferromagnet TiFe1−xOs2+xB2.

Published in:

Chemistry - A European Journal, 2022, v. 28, n. 42, p. 1, doi. 10.1002/chem.202201058

By:

Scheifers, Jan P.;
Flores, Justin H.;
Janka, Oliver;
Pöttgen, Rainer;
Fokwa, Boniface P. T.

Publication type:

Article

SrAl8Rh2 – the first phase in the Sr/Al/Rh system and new representative of the CeAl8Fe2 type structure.

Published in:

Zeitschrift für Kristallographie. Crystalline Materials, 2025, v. 240, n. 1/2, p. 1, doi. 10.1515/zkri-2024-0115

By:

Engel, Stefan;
Reimann, Maximilian K.;
Svanidze, Eteri;
Krnel, Mitja;
Zaremba, Nazar;
König, Markus;
Janka, Oliver

Publication type:

Article

Ta11Pt4 − a new coloring variant of the σ-phase.

Published in:

Zeitschrift für Kristallographie. Crystalline Materials, 2024, v. 239, n. 11/12, p. 345, doi. 10.1515/zkri-2024-0094

By:

Baldauf, Jasper Arne;
Kösters, Jutta;
Janka, Oliver;
Pöttgen, Rainer

Publication type:

Article

Structure solution of incommensurately modulated La6MnSb15.

Published in:

Zeitschrift für Kristallographie. Crystalline Materials, 2020, v. 235, n. 8/9, p. 291, doi. 10.1515/zkri-2020-0034

By:

Radzieowski, Mathis;
Klenner, Steffen;
Hoffmann, Rolf-Dieter;
Janka, Oliver

Publication type:

Article

Elucidating the physical properties of the molybdenum oxide Mo4O11 and its tantalum substituted variant Mo2Ta2O11.

Published in:

Zeitschrift für Kristallographie. Crystalline Materials, 2020, v. 235, n. 4/5, p. 143, doi. 10.1515/zkri-2019-0073

By:

Zoller, Michael;
Bubnova, Rimma;
Biryukov, Yaroslav;
Haussühl, Eiken;
Pöttgen, Rainer;
Janka, Oliver;
Penner, Simon;
Praty, Corsin;
Fitzek, Harald;
Winkler, Jörg;
Filatov, Stanislav;
Huppertz, Hubert

Publication type:

Article

Elucidating the physical properties of the molybdenum oxide Mo4O11 and its tantalum substituted variant Mo2Ta2O11.

Published in:

Zeitschrift für Kristallographie. Crystalline Materials, 2020, v. 235, n. 3, p. 143, doi. 10.1515/zkri-2019-0073

By:

Zoller, Michael;
Bubnova, Rimma;
Biryukov, Yaroslav;
Haussühl, Eiken;
Pöttgen, Rainer;
Janka, Oliver;
Penner, Simon;
Praty, Corsin;
Fitzek, Harald;
Winkler, Jörg;
Filatov, Stanislav;
Huppertz, Hubert

Publication type:

Article

The monoclinic superstructure of the M2Pt6Al15 series (M = Ca, Sc, Y, La, Lu).

Published in:

Zeitschrift für Kristallographie. Crystalline Materials, 2017, v. 232, n. 10, p. 675, doi. 10.1515/zkri-2017-2050

By:

Radzieowski, Mathis;
Stegemann, Frank;
Hoffmann, Rolf-Dieter;
Janka, Oliver

Publication type:

Article

Superstructure formation in PrNi2Al3 and ErPd2Al3.

Published in:

Zeitschrift für Kristallographie. Crystalline Materials, 2017, v. 232, n. 7-9, p. 573, doi. 10.1515/zkri-2016-2023

By:

Eustermann, Fabian;
Hoffmann, Rolf-Dieter;
Janka, Oliver

Publication type:

Article

Ternary gallides RE4Rh9Ga5, RE5Rh12Ga7 and RE7Rh18Ga11 (RE = Y, La-Nd, Sm, Gd, Tb) - intergrowth structures with MgCu2 and CaCu5 related slabs

Published in:

Zeitschrift für Kristallographie. Crystalline Materials, 2017, v. 232, n. 5, p. 365, doi. 10.1515/zkri-2016-2017

By:

Seidel, Stefan;
Rodewald, Ute Ch.;
Janka, Oliver;
Pöttgen, Rainer

Publication type:

Article

SrPt2Al2 - A (3+2)D-incommensurately modulated variant of the CaBe2Ge2 type structure.

Published in:

Zeitschrift für Kristallographie. Crystalline Materials, 2016, v. 231, n. 3, p. 127, doi. 10.1515/zkri-2015-1891

By:

Hoffmann, Rolf-Dieter;
Stegemann, Frank;
Janka, Oliver

Publication type:

Article

Festkörperchemie 2016.

Published in:

Nachrichten aus der Chemie, 2017, v. 65, n. 3, p. 255, doi. 10.1002/nadc.20174059830

By:

Backes, Claudia;
Isaeva, Anna;
Janka, Oliver

Publication type:

Article

Self‐Activation of Inorganic‐Organic Hybrids Derived through Continuous Synthesis of Polyoxomolybdate and para‐Phenylenediamine Enables Very High Lithium‐Ion Storage Capacity.

Published in:

ChemSusChem, 2023, v. 16, n. 7, p. 1, doi. 10.1002/cssc.202202213

By:

Mohamed, Mana Abdirahman;
Arnold, Stefanie;
Janka, Oliver;
Quade, Antje;
Presser, Volker;
Kickelbick, Guido

Publication type:

Article

Near‐Infinite‐Chain Polymers with Ge=Ge Double Bonds.

Published in:

Angewandte Chemie International Edition, 2024, v. 63, n. 51, p. 1, doi. 10.1002/anie.202415103

By:

Thömmes, Anna‐Lena;
Büttner, Thomas;
Morgenstern, Bernd;
Janka, Oliver;
Kickelbick, Guido;
Niebuur, Bart‐Jan;
Kraus, Tobias;
Gallei, Markus;
Scheschkewitz, David

Publication type:

Article

Corrigendum: Fe2Si5N8: Access to Open‐Shell Transition‐Metal Nitridosilicates.

Published in:

Angewandte Chemie International Edition, 2019, v. 58, n. 31, p. 10398, doi. 10.1002/anie.201907064

By:

Bielec, Philipp;
Janka, Oliver;
Block, Theresa;
Pöttgen, Rainer;
Schnick, Wolfgang

Publication type:

Article

New alkaline earth and rare earth representatives adopting the Ce2Al16Pt9-type structure.

Published in:

Zeitschrift für Naturforschung B: A Journal of Chemical Sciences, 2024, v. 79, n. 12, p. 595, doi. 10.1515/znb-2024-0022

By:

Engel, Stefan;
Janka, Oliver

Publication type:

Article

Structure, physical and 27Al NMR-spectroscopic properties of the equiatomic compounds of the type REAlRh (RE = Sm, Tb, Dy, Er, and Lu).

Published in:

Zeitschrift für Naturforschung B: A Journal of Chemical Sciences, 2024, v. 79, n. 8/9, p. 459, doi. 10.1515/znb-2024-0053

By:

Radzieowski, Mathis;
Gießelmann, Elias C. J.;
Engel, Stefan;
Janka, Oliver

Publication type:

Article

Magnetic properties of the solid solutions CePt1−xAuxAl (x = 0.1–0.9).

Published in:

Zeitschrift für Naturforschung B: A Journal of Chemical Sciences, 2024, v. 79, n. 8/9, p. 453, doi. 10.1515/znb-2024-0040

By:

Renner, Konstantin;
Eustermann, Fabian;
Niehaus, Oliver;
Janka, Oliver

Publication type:

Article

Isopointal intermetallics: the cP24, dca phases as a representative set of examples, along with their vacancy-ordered variants β-Mn and SrSi2.

Published in:

Zeitschrift für Naturforschung B: A Journal of Chemical Sciences, 2024, v. 79, n. 2/3, p. 63, doi. 10.1515/znb-2024-0002

By:

Janka, Oliver;
Pöttgen, Rainer

Publication type:

Article

Modifying the valence phase transition in Eu2Al15Pt6 by the solid solutions Eu2Al15(Pt1−xTx)6 (T = Pd, Ir, Au; x = 1/6).

Published in:

Zeitschrift für Naturforschung B: A Journal of Chemical Sciences, 2024, v. 79, n. 1, p. 21, doi. 10.1515/znb-2023-0072

By:

Engel, Stefan;
Schumacher, Lars;
Janka, Oliver

Publication type:

Article

Mössbauer-spectroscopic characterization of the stannides Sr2Pd2Sn and Eu2Pd2Sn.

Published in:

Zeitschrift für Naturforschung B: A Journal of Chemical Sciences, 2023, v. 78, n. 5, p. 301, doi. 10.1515/znb-2023-0015

By:

Wiethölter, Joshua;
Koldemir, Aylin;
Reimann, Maximilian Kai;
Block, Theresa;
Kösters, Jutta;
Janka, Oliver;
Pöttgen, Rainer

Publication type:

Article

Eu4Al13Pt9 – a coloring variant of the Ho4Ir13Ge9 type structure.

Published in:

Zeitschrift für Naturforschung B: A Journal of Chemical Sciences, 2023, v. 78, n. 3/4, p. 147, doi. 10.1515/znb-2023-0300

By:

Engel, Stefan;
Zaremba, Nazar;
Prots, Yurii;
Touzani, Rachid S.;
Janka, Oliver

Publication type:

Article

SrAl5Pt3 and Sr2Al16Pt9 – two new strontium aluminum platinides.

Published in:

Zeitschrift für Naturforschung B: A Journal of Chemical Sciences, 2022, v. 77, n. 6, p. 367, doi. 10.1515/znb-2022-0012

By:

Engel, Stefan;
Bönnighausen, Judith;
Stegemann, Frank;
Touzani, Rachid S.;
Janka, Oliver

Publication type:

Article

Synthesis, crystal and electronic structure of CaNi2Al8.

Published in:

Zeitschrift für Naturforschung B: A Journal of Chemical Sciences, 2021, v. 76, n. 10-12, p. 659, doi. 10.1515/znb-2021-0105

By:

Gießelmann, Elias;
Touzani, Rachid S.;
Morgenstern, Bernd;
Janka, Oliver

Publication type:

Article

Structural transition and antiferromagnetic ordering in the solid solution CePd1−xAuxAl (x = 0.1–0.9).

Published in:

Zeitschrift für Naturforschung B: A Journal of Chemical Sciences, 2020, v. 75, n. 11, p. 895, doi. 10.1515/znb-2020-0025

By:

Eustermann, Fabian;
Eilers-Rethwisch, Matthias;
Reimann, Maximilian K.;
Janka, Oliver

Publication type:

Article

Synthesis and magnetic properties of the extended RE4Pd9Al24 series (RE = Sc, Y, Ce–Nd, Sm, Gd–Lu).

Published in:

Zeitschrift für Naturforschung B: A Journal of Chemical Sciences, 2020, v. 75, n. 6/7, p. 633, doi. 10.1515/znb-2020-0051

By:

Radzieowski, Mathis;
Bönnighausen, Judith;
Janka, Oliver

Publication type:

Article

Synthesis and magnetic properties of the extended RE4Pd9Al24 series (RE = Sc, Y, Ce–Nd, Sm, Gd–Lu).

Published in:

Zeitschrift für Naturforschung B: A Journal of Chemical Sciences, 2020, v. 75, n. 6, p. 633, doi. 10.1515/znb-2020-0051

By:

Radzieowski, Mathis;
Bönnighausen, Judith;
Janka, Oliver

Publication type:

Article

Synthesis and magnetic properties of the extended RE4Pd9Al24 series (RE = Sc, Y, Ce–Nd, Sm, Gd–Lu).

Published in:

Zeitschrift für Naturforschung B: A Journal of Chemical Sciences, 2020, p. 633, doi. 10.1515/znb-2020-0051

By:

Radzieowski, Mathis;
Bönnighausen, Judith;
Janka, Oliver

Publication type:

Article

The role of beryllium in alloys, Zintl phases and intermetallic compounds.

Published in:

Zeitschrift für Naturforschung B: A Journal of Chemical Sciences, 2020, v. 75, n. 5, p. 421, doi. 10.1515/znb-2019-0105

By:

Janka, Oliver;
Pöttgen, Rainer

Publication type:

Article

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.

Published in:

Zeitschrift für Naturforschung B: A Journal of Chemical Sciences, 2020, v. 75, n. 1/2, p. 149, doi. 10.1515/znb-2019-0176

By:

Witt, Melina;
Bönnighausen, Judith;
Eustermann, Fabian;
Savourat, Aline;
Scheifers, Jan P.;
Fokwa, Boniface P.T.;
Doerenkamp, Carsten;
Eckert, Hellmut;
Janka, Oliver

Publication type:

Article

Squares of gold atoms and linear infinite chains of Cd atoms as building units in the intermetallic phases REAu4Cd2 (RE=La–Nd, Sm) with YbAl4Mo2-type structure.

Published in:

Zeitschrift für Naturforschung B: A Journal of Chemical Sciences, 2020, v. 75, n. 1/2, p. 73, doi. 10.1515/znb-2019-0153

By:

Paulsen, Christian;
Block, Theresa;
Benndorf, Christopher;
Oeckler, Oliver;
Bönnighausen, Judith;
Janka, Oliver;
Pöttgen, Rainer

Publication type:

Article

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.

Published in:

Zeitschrift für Naturforschung B: A Journal of Chemical Sciences, 2019, v. 74, n. 11/12, p. 865, doi. 10.1515/znb-2019-0166

By:

Engelbert, Simon;
Stegemann, Frank;
Bönnighausen, Judith;
Klenner, Steffen;
Janka, Oliver;
Pöttgen, Rainer

Publication type:

Article

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.

Published in:

Zeitschrift für Naturforschung B: A Journal of Chemical Sciences, 2019, p. 865, doi. 10.1515/znb-2019-0166

By:

Engelbert, Simon;
Stegemann, Frank;
Bönnighausen, Judith;
Klenner, Steffen;
Janka, Oliver;
Pöttgen, Rainer

Publication type:

Article

Crystal structure and magnetic properties of the ternary rare earth metal-rich transition metallides RE14T3Al3 (RE = Y, Gd–Tm, Lu; T = Co, Ni).

Published in:

Zeitschrift für Naturforschung B: A Journal of Chemical Sciences, 2019, v. 74, n. 1, p. 125, doi. 10.1515/znb-2018-0196

By:

Stegemann, Frank;
Janka, Oliver

Publication type:

Article

Two series of rare earth metal-rich ternary aluminium transition metallides – RE6Co2Al (RE=Sc, Y, Nd, Sm, Gd–Tm, Lu) and RE6Ni2.25Al0.75 (RE=Y, Gd–Tm, Lu).

Published in:

Zeitschrift für Naturforschung B: A Journal of Chemical Sciences, 2018, v. 73, n. 11, p. 927, doi. 10.1515/znb-2018-0153

By:

Stegemann, Frank;
Janka, Oliver

Publication type:

Article

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.

Published in:

Zeitschrift für Naturforschung B: A Journal of Chemical Sciences, 2018, v. 73, n. 11, p. 819, doi. 10.1515/znb-2018-0124

By:

Eustermann, Fabian;
Stegemann, Frank;
Gausebeck, Simon;
Janka, Oliver

Publication type:

Article

Magnetic properties of the germanides RE3Pt4Ge6 (RE = Y, Pr, Nd, Sm, Gd--Dy).

Published in:

Zeitschrift für Naturforschung B: A Journal of Chemical Sciences, 2017, v. 72, n. 11, p. 855, doi. 10.1515/znb-2017-0123

By:

Eustermann, Fabian;
Eilers-Rethwisch, Matthias;
Renner, Konstantin;
Hoffmann, Rolf-Dieter;
Pöttgen, Rainer;
Janka, Oliver

Publication type:

Article

Ternary rhombohedral Laves phases RE2Rh3Ga (RE = Y, La-Nd, Sm, Gd-Er).

Published in:

Zeitschrift für Naturforschung B: A Journal of Chemical Sciences, 2017, v. 72, n. 4, p. 289, doi. 10.1515/znb-2016-0265

By:

Seidel, Stefan;
Janka, Oliver;
Benndorf, Christopher;
Mausolf, Bernhard;
Haarmann, Frank;
Eckert, Hellmut;
Heletta, Lukas;
Pöttgen, Rainer

Publication type:

Article

The high-pressure phase of CePtAl.

Published in:

Zeitschrift für Naturforschung B: A Journal of Chemical Sciences, 2017, v. 72, n. 1, p. 77, doi. 10.1515/znb-2016-0215

By:

Heymann, Gunter;
Heying, Birgit;
Rodewald, Ute Ch.;
Janka, Oliver

Publication type:

Article

Cerium intermetallics with TiNiSi-type structure.

Published in:

Zeitschrift für Naturforschung B: A Journal of Chemical Sciences, 2016, v. 71, n. 7, p. 737, doi. 10.1515/znb-2016-0101

By:

Janka, Oliver;
Niehaus, Oliver;
Pöttgen, Rainer;
Chevalier, Bernard

Publication type:

Article

On new ternary equiatomic scandium transition metal aluminum compounds Sc TAl with T = Cr, Ru, Ag, Re, Pt, and Au.

Published in:

Zeitschrift für Naturforschung B: A Journal of Chemical Sciences, 2016, v. 71, n. 5, p. 553, doi. 10.1515/znb-2016-0044

By:

Radzieowski, Mathis;
Benndorf, Christopher;
Haverkamp, Sandra;
Eckert, Hellmut;
Janka, Oliver

Publication type:

Article

Cerium intermetallics Ce TX - review III.

Published in:

Zeitschrift für Naturforschung B: A Journal of Chemical Sciences, 2016, v. 71, n. 3, p. 165, doi. 10.1515/znb-2016-0013

By:

Pöttgen, Rainer;
Janka, Oliver;
Chevalier, Bernard

Publication type:

Article

New transition metal-rich rare-earth palladium/platinum aluminides with RET5Al2 composition: structure, magnetism and 27Al NMR spectroscopy.

Published in:

Zeitschrift für Naturforschung B: A Journal of Chemical Sciences, 2015, v. 70, n. 2, p. 101, doi. 10.1515/znb-2014-0223

By:

Benndorf, Christopher;
Stegemann, Frank;
Eckert, Hellmut;
Janka, Oliver

Publication type:

Article

Iron Nanoparticles: Lithiumpyridinyl‐Driven Synthesis of High‐Purity Zero‐Valent Iron Nanoparticles and Their Use in Follow‐Up Reactions (Small 37/2019).

Published in:

Small, 2019, v. 15, n. 37, p. N.PAG, doi. 10.1002/smll.201970200

By:

Egeberg, Alexander;
Block, Theresa;
Janka, Oliver;
Wenzel, Olivia;
Gerthsen, Dagmar;
Pöttgen, Rainer;
Feldmann, Claus

Publication type:

Article