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Potential Antiperovskite Semiconductor Compounds Mg3XN (X = P, As, Sb, Bi): the First-Principles Study
Springer Science and Business Media LLC - Tập 35 - Trang 3277-3290 - 2022
Zhong-yue Gao, Wei Wang, Bo-chen Li, Lei Sun, Feng Wang
In this work, the antiperovskite semiconductor compounds Mg3XN (X = P, As, Sb, Bi) are investigated using the first-principles calculations. The structural, electronic, optical, and elastic properties of the Mg3XN compounds are studied in detail. Meanwhile, the magnetism is introduced by doping Mn element in Mg3XN compounds. Mg3XN compounds are semiconductors with direct band gap from the analysis...... hiện toàn bộ
Microwave Response of Perfect YBa2Cu3O7−x Thin Films Deposited on CeO2-Buffered Saphire: A Probe for Pairing Symmetry
Springer Science and Business Media LLC - Tập 20 - Trang 59-69 - 2007
V. M. Pan, A. A. Kalenyuk, A. L. Kasatkin, O. M. Ivanyuta, G. A. Melkov
Microwave surface impedance, Z s(T), of epitaxial YBCO thin films deposited on CeO2-buffered sapphire substrates, was measured at several discrete frequencies within the range 5–134 GHz by use of coplanar resonator and end-plate cavity resonator techniques. The main features of obtained experimental results are as follows: (i) surface resistance R s(T) at low temper...... hiện toàn bộ
An-harmonic Oscillations and Superconductivity in (Cu0.5-xKxTl0.5)Ba2Ca2Cu3-y-z ZnyCdzO10-δ (x = 0, 0.25; y = z = 0, 0.25, 0.5, 0.75, 1) Samples
Springer Science and Business Media LLC - Tập 33 - Trang 1271-1284 - 2019
Jaffar Ali, Shafaat Hussain, Nawazish Ali Khan, Asad Raza
(Cu0.5-xKxTl0.5)Ba2Ca2Cu3-y-z ZnyCdzO10-δ (x = 0, 0.25; y = z = 0, 0.25, 0.5, 0.75, 1) samples are synthesized for the investigation of role of an-harmonic oscillations in the mechanism of high Tc superconductivity. In the conducting planes, the carrier density is enhanced by K doping at the charge reservoir layer (Cu0.5Tl0.5)Ba2O4-δ by synthesizing (Cu0.25K0.25Tl0.5)Ba2Ca2Cu3-y-zZnyCdzO10-δ (y = ...... hiện toàn bộ
Superconductivity in Transition Metal Doped MoB4
Springer Science and Business Media LLC - Tập 23 - Trang 417-422 - 2009
J. W. Simonson, D. Wu, S. J. Poon, S. A. Wolf
Polycrystalline ingots of MoB4 have been found to be superconducting near 6 to 8 K when doped with Ti or Nb. Magnetic susceptibility measurements performed on these alloys indicate that a substantial fraction of the sample volume is superconducting below the transition temperature, while X-ray diffraction scans provide insight into the crystallographic effects of the dopants on the layered MoB4 st...... hiện toàn bộ
Structural and Electronic Properties of Zr x Al1−x N in Cubic Phase Using First Principles
Springer Science and Business Media LLC - Tập 26 - Trang 2471-2473 - 2012
Edgardo D. Gutiérrez-Senior, Jairo Arbey Rodríguez M., J. Sierra-Ortega
We calculate the structural and electronic properties of the Zr x Al1−x N in cubic phase using first-principles total energy calculations. The study is based on the functional density theory, DFT, with Augmented Plane Wave Plus Local Orbitals method for Calculating Crystal Properties (FP-LAPW). Determination of the crystal lattice constant, the vol...... hiện toàn bộ
Variation of Superconducting Transition Temperature of YSn3 Under Negative Pressure
Springer Science and Business Media LLC - Tập 32 - Trang 1157-1162 - 2018
Surinder Singh, Ranjan Kumar
First-principle calculations of YSn3 were performed under both ambient pressure and applied negative hydrostatic pressure. The phonon dispersion relation under all applied pressures was found to have a positive frequency. The superconducting transition temperature (Tc) and average electron-phonon coupling constant (λep) was found to increase with increase in applied negative hydrostatic pressure. ...... hiện toàn bộ
Structural, Raman Spectroscopy, and Magnetic Ordering in New Delafossite-Type Oxide CuCr1−x Ti x O2 (0≤x≤0.1)
Springer Science and Business Media LLC - - 2013
T. Elkhouni, Mongi Amami, Pierre Strobel, Abdelhamid Ben Salah
Growth and Nanofabrication of All-Perovskite Superconducting/Ferromagnetic/Superconducting Junctions
Springer Science and Business Media LLC - Tập 32 - Trang 2721-2726 - 2019
R. de Andrés Prada, T. Golod, C. Bernhard, V. M. Krasnov
We fabricate and study experimentally all-perovskite-oxide superconductor/ferromagnetic insulator/superconductor (S/FI/S) tunnel junctions made out of the high-temperature cuprate superconductor YBa2Cu3O7−y (YBCO) and the colossal magnetoresistive manganite LaMnO3 (LMO) in the ferromagnetic insulator state. YBCO/LMO/YBCO heterostructures with different LMO thicknesses (5, 10, and 20 nm) are grown ...... hiện toàn bộ
75As NMR and XRD Study of Structural and Electronic Inhomogeneities in Ba(Fe1−xNix)2As2
Springer Science and Business Media LLC - - 2018
E. G. Nikolaev, L. B. Lugansky, В. А. Власенко, K. S. Pervakov, V. P. Martovitsky, Yu. Eltsev, S.L. Bud’ko, Paul C. Canfield
s-Wave vs.d -Wave Superconductivity in the Two-Dimensional Hubbard Model
Springer Science and Business Media LLC - - 1997
Jacek Biesiada, J. Zieliński
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