Zobrazeno 1 - 10
of 312
pro vyhledávání: '"Sheptyakov, Denis"'
Autor:
Gawryluk, Dariusz J., Klein, Y. Maximilian, Scatena, Rebecca, Shang, Tian, Sibille, Romain, Sheptyakov, Denis, Casati, Nicola, Linden, Anthony, Chernyshov, Dmitry, Kozłowski, Mirosław, Dłużewski, Piotr, Rossell, Marta D., Macchi, Piero, Medarde, Marisa
The recent discovery of superconductivity in infinite layer thin films and bulk Ruddlesden-Popper nickelates has stimulated the investigation of other predicted properties of these materials. Among them, the existence of magnetism-driven ferroelectri
Externí odkaz:
http://arxiv.org/abs/2408.08077
Heteroanionic hydrides offer great possibilities in the design of functional materials. For ternary rare earth hydride oxide REHO, several modifications were reported with indications for a significant phase width with respect to H and O of the cubic
Externí odkaz:
https://ul.qucosa.de/id/qucosa%3A85145
https://ul.qucosa.de/api/qucosa%3A85145/attachment/ATT-0/
https://ul.qucosa.de/api/qucosa%3A85145/attachment/ATT-0/
Autor:
Porée, Victor, Gawryluk, Dariusz J., Shang, Tian, Rodríguez-Velamazań, J. Alberto, Casati, Nicola, Sheptyakov, Denis, Torrelles, Xavier, Medarde, Marisa
Layered perovskites of general formula AA'CuFeO$_5$ are one of the few examples of cycloidal spiral magnets where the ordering temperatures $T_{spiral}$ can be tuned far beyond room temperature by introducing modest amounts of Cu/Fe chemical disorder
Externí odkaz:
http://arxiv.org/abs/2402.04816
Autor:
Léger, Mélanie, Vayer, Florianne, Hatnean, Monica Ciomaga, Damay, Françoise, Decorse, Claudia, Berardan, David, Fåk, Björn, Zanotti, Jean-Marc, Berrod, Quentin, Embs, Jacques Ollivier Jan P., Fennell, Tom, Sheptyakov, Denis, Petit, Sylvain, Lhotel, Elsa
Publikováno v:
Phys. Rev. B 109, 224416 (2024)
We study the stability of the antiferromagnetic all-in--all-out state observed in dipolar-octupolar pyrochlores that have neodymium as the magnetic species. Different types of disorder are considered, either affecting the immediate environment of the
Externí odkaz:
http://arxiv.org/abs/2401.15027
Autor:
Su, Cheng, Zeng, Xu-Tao, Sun, Kaitong, Sheptyakov, Denis, Chen, Ziyu, Sheng, Xian-Lei, Li, Haifeng, Jin, Wentao
Publikováno v:
Physical Review B 108, 054416 (2023)
Magnetic double perovskite compounds provide a fertile playground to explore interesting electronic and magnetic properties. By complementary macroscopic characterizations, neutron powder diffraction measurements and first-principles calculations, we
Externí odkaz:
http://arxiv.org/abs/2303.14370
Autor:
Han, Shen, Dai, Shengnan, Ma, Jie, Ren, Qingyong, Hu, Chaoliang, Gao, Ziheng, Le, Manh Duc, Sheptyakov, Denis, Miao, Ping, Torii, Shuki, Kamiyama, Takashi, Felser, Claudia, Yang, Jiong, Fu, Chenguang, Zhu, Tiejun
Aliovalent doping has been adopted to optimize the electrical properties of semiconductors, while its impact on the phonon structure and propagation is seldom paid proper attention to. This work reveals that aliovalent doping can be much more effecti
Externí odkaz:
http://arxiv.org/abs/2303.10899
Autor:
Potashnikov, Daniel, Caspi, Elad Nisan, Pesach, Asaf, Tao, Quanzheng, Rosen, Johanna, Sheptyakov, Denis, Evans, Hayden A., Ritter, Clemens, Salman, Zaher, Bonfa, Pietro, Ouisse, Thierry, Barbier, Maxime, Rivin, Oleg, Keren, Amit
We report muon spin rotation ($\mu$SR) and neutron diffraction on the rare-earth based magnets (Mo$_{2/3}$RE$_{1/3}$)$_2$AlC, also predicted as parent materials for 2D derivatives, where RE = Nd, Gd (only ($\mu$SR), Tb, Dy, Ho and Er. By crossing inf
Externí odkaz:
http://arxiv.org/abs/2105.14555
Autor:
Maity, Sumit Ranjan, Ceretti, Monica, Keller, Lukas, Schefer, Jürg, Shang, Tian, Pomjakushina, Ekaterina, Meven, Martin, Sheptyakov, Denis, Cervellino, Antonio, Paulus, Werner
Publikováno v:
Physical Review MATERIALS 3, 083604 (2019)
We investigated the influence of oxygen over-stoichiometry on apical oxygen disorder and magnetic correlations in Nd2NiO4+d (d~0.11) in the temperature range of 2-300 K by means of synchrotron x-ray powder diffraction, neutron single crystal and powd
Externí odkaz:
http://arxiv.org/abs/2101.05178
Autor:
Miruszewski, Tadeusz, Vayer, Florianne, Jaworski, Daniel, Bérardan, David, Decorse, Claudia, Bochentyn, Beata, Sheptyakov, Denis, Gazda, Maria, Dragoe, Nita
Publikováno v:
Journal of Applied Physics; 2/28/2024, Vol. 135 Issue 8, p1-11, 11p
Autor:
Papi, Hadi, Favre, Virgile Yves, Ahmadvand, Hossein, Alaei, Mojtaba, Khondabi, Mohammad, Sheptyakov, Denis, Keller, Lukas, Kameli, Parviz, Zivkovic, Ivica, Rønnow, Henrik M.
Publikováno v:
Phys.Rev. B 100, 2019, 134408
The magnetic and structural properties of polycrystalline Co$_{4-x}$ Ni$_x$ Nb$_2$ O$_9$ (x=1,2) have been investigated by neutron powder diffraction, magnetization and heat capacity measurements, and density functional theory (DFT) calculations. For
Externí odkaz:
http://arxiv.org/abs/2010.12285