English
Related papers

Related papers: Competition of ferromagnetism and superconductivit…

200 papers

A possibility for a new family of intermetallic perovskite superconductors Sc3XB, with X = Tl, In, Ga and Al, is presented as a result of KKR electronic structure and pseudopotential phonon calculations. The large values of computed…

Superconductivity · Physics 2007-05-23 B. Wiendlocha , J. Tobola , S. Kaprzyk

We predict superconductivity for the carbon-boron clathrate SrB3C3 at 27-43 K for Coulomb pseudopotential (mu*) values between 0.17 and 0.10 using first-principles calculations with conventional electron-phonon coupling. Electrical…

The quest for materials that simultaneously exhibit superconductivity and nontrivial topology has drawn significant attention in recent years, driven by their potential to host exotic quantum states. Their unique coexistence often leads to…

Superconductivity · Physics 2025-10-16 Arafat Rahman , Alamgir Kabir , Tareq Mahmud

NiBi3 polycrystals were synthesized via a solid state method. X-ray diffraction analysis shows that the main phase present in the sample corresponds to NiBi3 in a weight fraction of 96.82 % according to the refinement of the crystalline…

We describe three previously unreported superconductors, BaPb3, Ba0.89Sr0.11Pb3 and Ba0.5Sr0.5Pb3. These three materials, together with SrPb3, form a distinctive isoelectronic family of intermetallic superconductors based on the stacking of…

The superconducting state of the newly discovered superconductor K$_2$Cr$_3$As$_3$ with a quasi-one-dimensional crystal structure ($T_{\bf c}\sim$ 6 K) has been investigated by using magnetization and muon-spin relaxation or rotation…

The oxide perovskites are a large family of materials with many important physical properties. Of particular interest has been the fact that this structure type provides an excellent structural framework for the existence of…

The band structure of the new perovskite-like superconductor MgCNi$_{3}$ was studied by the self-consistent FP-LMTO method. The superconducting properties of MgCNi$_{3}$ are associated with an intensive peak in the density of Ni3d states…

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

Recently, a host/guest clathrate SrB3C3 with sp3-bonded boron-carbon framework was synthesized at around 50 GPa. On the basis of electron count, the structure is understood as guest Sr2+ cations intercalated in the (B3C3)3- framework.…

Materials Science · Physics 2022-03-23 Peiyu Zhang , Xue Li , Xin Yang , Hui Wang , Hanyu Liu , Yansun Yao

Oxides with perovskite-based structures have been known as essential materials for fascinating phenomena such as high-temperature and unconventional superconductivity. Discoveries of these oxide superconductors have driven the science…

Metal borides have been considered as potential high-temperature superconductors since the discovery of record-holding 39 K superconductivity in bulk MgB2. In this work, we identified a superconducting yet thermodynamically stable F43m…

Superconductivity · Physics 2023-10-24 Xin Yang , Wenbo Zhao , Liang Ma , Wencheng Lu , Xin Zhong , Yu Xie , Hanyu Liu , Yanming Ma

Recently, A2B3 type strong spin orbital coupling compounds such as Bi2Te3, Bi2Se3 and Sb2Te3 were theoretically predicated to be topological insulators and demonstrated through experimental efforts. The counterpart compound Sb2Se3 on the…

We report the superconducting properties of single crystals of the intermetallic perovskite-related compound BaBi$_{3}$. The superconducting transition temperature ($T_{c}=5.82$~K) was obtained from heat capacity measurements. Using the…

Superconductivity · Physics 2015-06-19 Neel Haldolaarachchige , S. K. Kushwaha , Quinn Gibson , R. J. Cava

We report on two fold increase in superconducting transition temperature of La3Co4Sn13 by substituting indium at the tin site. The transition temperature of this skutterudite is observed to increase from 2.5 K to 5.1 K for 10 % indium…

Superconductivity · Physics 2015-09-17 P. Neha , P. Srivastava , R. Jha , Shruti , V. P. S. Awana , S. Patnaik

We report the superconductivity of the CaSn3 single crystal with a AuCu3-type structure, namely cubic space group Pm3m. The superconducting transition temperature TC=4.2 K is determined by the magnetic susceptibility, electrical…

Superconductivity · Physics 2015-12-09 X. Luo , D. F. Shao , Q. L. Pei , J. Y. Song , L. Hu , Y. Y. Han , X. B. Zhu , W. H. Song , W. J. Lu , Y. P. Sun

We have measured upper-critical-field $H_{\text c2}$, specific heat C, and tunneling spectra of the intermetallic perovskite superconductor MgCNi${}_3$ with a superconducting transition temperature $T_{\text c}\approx 7.6$ K. Based on these…

Superconductivity · Physics 2010-10-11 Z. Q. Mao , M. M. Rosario , K. D. Nelson , K. Wu , I. G. Deac , P. Schiffer , Y. Liu , T. He , K. A. Regan , R. J. Cava

The electronic structure and chemical bonding of the recently discovered inverse perovskite Sc3AlN, in comparison to ScN and Sc metal have been investigated by bulk-sensitive soft x-ray emission spectroscopy. The measured Sc L, N K, Al L1,…

We employed accurate full potential density-functional theory and linearized augmented plane wave method to investigate the electronic properties and possible phase transitions of Cu3N under high pressure. The anti perovskite structure Cu3N…

Materials Science · Physics 2009-11-11 Wen Yu , Linyan Li , Changqing Jin

On the basis of a three-dimensional Hubbard model, the superconducting mechanism of CeIn3 under high pressure is investigated by the third-order perturbation theory with respect to the on-site Coulomb interaction U. Here we propose the…

Strongly Correlated Electrons · Physics 2010-08-10 Hirono Fukazawa , Kosaku Yamada

We report synthesis, structural, magnetic, specific heat and Density Functional Theory (DFT) studies on MgCNi3 superconductor. Polycrystalline MgCNi3 samples are synthesized through standard solid state reaction route and found to…

Superconductivity · Physics 2015-05-28 Anuj Kumar , Rajveer Jha , Shiva Kumar , Jagdish Kumar , P. K. Ahluwalia , R. P. Tandon , V. P. S. Awana
‹ Prev 1 2 3 10 Next ›