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Related papers: Fluorides of silver under large compression

200 papers

Hybrid or metal organic framework (MOF) perovskites of general composition, ABX$_3$, are known to show interesting properties which can lead to variety of technological applications. Our first principles study shows they are also potential…

Materials Science · Physics 2016-09-06 Hrishit Banerjee , Sudip Chakraborty , Tanusri Saha-Dasgupta

Among known Bechgaard and Fabre salts (TMTSF)2NO3 is unique since it never becomes superconducting even under pressure. Also, though (TMTSF)2NO3 undergoes the spin density wave (SDW) transition, the low temperature transport is semimetallic…

Strongly Correlated Electrons · Physics 2007-05-23 Kazumi Maki , Mario Basletic , Bojana Korin-Hamzic , Silvia Tomic

We investigate the thermodynamic and transport properties of silver-substituted BaFe2As2 (122) crystals, up to ~4.5%. Similar to other transition-metal substitutions in 122, Ag diminishes the antiferromagnetic (TN) and structural (TS)…

Superconductivity · Physics 2016-10-19 Li Li , Huibo Cao , David S. Parker , Stephen J. Kuhn , Athena S. Sefat

A rich variety of Fermi systems condense by forming bound pairs, including high temperature [1] and heavy fermion [2] superconductors, Sr2RuO4 [3], cold atomic gases [4], and superfluid 3He [5]. Some of these form exotic quantum states…

Superconductivity · Physics 2013-03-28 J. Pollanen , J. I. A. Li , C. A. Collett , W. J. Gannon , W. P. Halperin , J. A. Sauls

The compound alpha-Fe1.4Ga0.6O3 has been prepared by mechanical alloying of alpha-Fe2O3 and Ga2O3 and subsequent heating of the mechanical alloyed samples in vacuum condition. Magnetic ordering of alpha-Fe2O3 has been modified by…

Materials Science · Physics 2015-06-15 R. N. Bhowmik , N. Naresh , B. Ghosh , S. Banerjee

Tight-binding calculations predict that the AA-stacked graphene bilayer has one electron and one hole conducting bands, and that the Fermi surfaces of these bands coincide. We demonstrate that as a result of this degeneracy, the bilayer…

Mesoscale and Nanoscale Physics · Physics 2012-11-30 A. L. Rakhmanov , A. V. Rozhkov , A. O. Sboychakov , Franco Nori

Structural, magnetic and electrical-transport properties of {\alpha}-LiFeO2, crystallizing in the rock salt structure with random distribution of Li and Fe ions, have been studied by synchrotron X-ray diffraction, 57Fe M\"ossbauer…

Strongly Correlated Electrons · Physics 2017-09-29 Samar Layek , Eran Greenberg , Weiming Xu , Gregory Kh. Rozenberg , Moshe P. Pasternak , Jean-Paul Itié , Dániel G. Merkel

Motivated by the recent report of superconductivity above 200 K in ultra-dense hydrogen sulfide, we search for high-\tc\ conventional superconductivity in the phase diagram of the binary Li-S system, using {\em ab-initio} methods for…

Superconductivity · Physics 2016-08-10 Christian Kokail , Christoph Heil , Lilia Boeri

The spin order in cubic perovskite SrFeO3 and BaFeO3 under high pressure is studied by density functional theory (DFT) calculation with local spin density approximation plus Hubbard U (LSDA+U). At ambient pressure, A-type and G-type helical…

Strongly Correlated Electrons · Physics 2015-06-11 Zhi Li , Toshiaki Iitaka , Takami Tohyama

Hybrid organic-inorganic nanomaterials can exhibit transitional behavior that deviates from models developed for all-organic or all-inorganic materials systems. Here, we reveal the complexity of exciton-phonon interactions in a recently…

We study non-supersymmetric fermion mass and condensate deformations of the AdS/CFT Correspondence. The 5 dimensional supergravity flows are lifted to a complete and remarkably simple 10 dimensional background. A brane probe analysis shows…

High Energy Physics - Theory · Physics 2009-11-07 James Babington , David E. Crooks , Nick Evans

Electronic structure and cohesive properties of metastable hexagonal AgB_{2} and silver-deficient borides Ag_{0.875}B_{2} and Ag_{0.750}B_{2} were investigated by means of the projected augmented wave method in the framework of the density…

Materials Science · Physics 2007-05-23 I. R. Shein , N. I. Medvedeva , A. L. Ivanovskii

Emergency of superconductivity at the instabilities of antiferromagnetism (AFM), spin/charge density waves has been widely recognized in unconventional superconductors. In copper-oxide superconductors, spin fluctuations play a predominant…

Superconductivity · Physics 2015-10-27 Heshan Yu , Ge He , Ziquan Lin , Jie Yuan , Beiyi Zhu , Yi-feng Yang , Tao Xiang , Feo. V. Kusmartsev , Liang Li , Junfeng Wang , Kui Jin

Studying the effect of high pressure (exceeding 10 kbar) on the structure of solids allows to gain deeper insight in the mechanism governing crystal structure stability. Here we report a study on the high-pressure behaviour of zinc…

Materials Science · Physics 2020-04-08 Dominik Kurzydłowski , Anna Oleksiak , Sharad Babu Pillai , Prafulla K. Jha

We report normal-state transport properties of the single-crystalline samples of the silver-lead oxide superconductor Ag5Pb2O6, including the electrical resistivity, magnetoresistance, and Hall coefficient. From the Hall coefficient…

Superconductivity · Physics 2015-06-17 Shingo Yonezawa , Yoshiteru Maeno

We report a novel superconducting (SC) and antiferromagnetic (AF) hybrid state in SrFe2As2 revealed by 75As nuclear magnetic resonance (NMR) experiments on a single crystal under highly hydrostatic pressure up to 7 GPa. The NMR spectra at…

Superconductivity · Physics 2009-12-15 K. Kitagawa , N. Katayama , H. Gotou , T. Yagi , K. Ohgushi , T. Matsumoto , Y. Uwatoko , M. Takigawa

The use of mixed cation absorber composition was considered as an efficient strategy to mitigate the degradation effects in halide perovskite solar cells. Despite the reports about partial stabilization at elevated temperatures, unfavorable…

One of the universal features of unconventional superconductors is that the superconducting (SC) state is developed in the proximity of an antiferromagnetic (AFM) state. Understanding the interplay between these two states is one of the key…

The superconducting, transport, and structural properties of optimally electron-doped BaFe$_{1.9}$Ni$_{0.1}$As$_{2}$ are investigated by combining the electrical resistance and synchrotron X-ray diffraction measurements at high pressures.…

Polycrystalline Al7+xFe23Ge14-x-type orthorhombic Al8.5-xFe23Ge12.5+x (0<=x<=3) compounds were studied by X-ray diffraction measurement, metallographic examination, and magnetization and electrical resistivity measurements. The lattice…

Materials Science · Physics 2020-06-08 Jiro Kitagawa , Genta Yakabe , Akinori Nakayama , Terukazu Nishizaki , Masami Tsubota