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Two-dimensional (2D) ferromagnetic (FM) semiconductors with high Curie temperature have long been pursued for electronic and spintronic applications. Here we provide a general strategy to achieve robust FM state in bilayer CrI3 of the…

材料科学 · 物理学 2020-09-23 Nanshu Liu , Si Zhou , Jijun Zhao

We derive an analytic expression for the temperature dependent critical magnetic field parallel to ultrathin superconducting films with Rashba spin-orbit interaction. Thereby we cover the range from small to large spin-orbit interactions…

超导电性 · 物理学 2017-07-10 Gertrud Zwicknagl , Simon Jahns , Peter Fulde

Polycrystalline samples of a new superconducting EuAsFeO0.85F0.15 compound with critical temperature Tc=11K were prepared by solid state synthesis. Its electric and magnetic properties have been investigated in magnetic fields from 0.1 to…

Uranium ditelluride (UTe$_2$) is recognized as a host material to unconventional spin-triplet superconductivity, but it also exhibits a wealth of additional unusual behavior at high magnetic fields. One of the most prominent signatures of…

超导电性 · 物理学 2025-03-18 Sylvia K. Lewin , Corey E. Frank , Sheng Ran , Johnpierre Paglione , Nicholas P. Butch

Electrical magnetoresistance and tunnel diode oscillator measurements were performed under external magnetic fields up to 41 T applied along the crystallographic b-axis (hard axis) of UTe$_2$ as a function of temperature and applied…

We report the in-plane resistivity and magnetic susceptibility of the layered cobalt oxide Na$_{0.35}$CoO$_{2}{\cdot}1.3$H$_{2}$O single crystal. The temperature dependence of the resistivity shows metallic behavior from room temperature to…

We analyze here the behavior near the 2D insulator-superconductor quantum critical point in the presence of a perpendicular magnetic field. We show that with increasing field $H$, the quantum disordered and quantum critical regimes, in…

凝聚态物理 · 物理学 2009-11-07 Denis Dalidovich , Philip Phillips

We report superconductivity in Sn$_{x}$NbSe$_{2-\delta}$, a topological nodal-line semimetal candidate with a noncentrosymmetric crystal structure. The superconducting transition temperature $T_{c}$ of this compound is extremely sensitive…

The metal-insulator crossover of the in-plane resistivity upon temperature decrease, recently observed in several classes of cuprate superconductors, when a strong magnetic field suppresses the superconductivity, is explained using the…

超导电性 · 物理学 2009-11-07 P. A. Marchetti , Zhao-bin Su , Lu Yu

We report a study of magnetic susceptibility and electrical resistivity as a function of temperature and magnetic field in superconducting crystals of La$_{2-x}$Ca$_{1+x}$Cu$_{2}$O$_{6}$ with $x=0.10$ and 0.15 and transition temperature…

超导电性 · 物理学 2018-04-26 Ruidan Zhong , J. A. Schneeloch , Hang Chi , Qiang Li , Genda Gu , J. M. Tranquada

The resistive upper critical field, Hc2(T) of cuprates, superconducting spin-ladders, and organic (TMTSF)2X systems is shown to follow a universal nonlinear temperature dependence in a wide range near Tc, while its low-temperature behaviour…

超导电性 · 物理学 2009-11-07 V. N. Zavaritsky , V. V. Kabanov , A. S. Alexandrov

We study the superconducting critical fields of two-dimensional electron systems at (111)$\mathrm{LaAlO_3/KTaO_3}$ interfaces as a function of electrostatic back-gating. Our work reveals inplane critical fields of unprecedented magnitudes…

The discovery of 2-dimensional (2D) materials, such as CrI3, that retain magnetic ordering at monolayer thickness has resulted in a surge of research in 2D magnetism from both pure and applied perspectives. Here, we report a magneto-Raman…

A polycrystalline sample of YNiGe3, being a non-magnetic isostructural counterpart to the unconventional pressure-induced superconductor CeNiGe3, was studied by means of specific heat and electrical resistivity measurements at temperatures…

超导电性 · 物理学 2011-06-22 Adam P. Pikul , Daniel Gnida

To reflect the asymptotic freedom in the thermal direction, a temperature-dependent coupling was proposed in the literature. We investigate its effect on QCD matter with and without strong magnetic fields. Compared with the fixed coupling…

高能物理 - 唯象学 · 物理学 2017-10-11 Li Yang , Xin-jian Wen

The influence of an external static magnetic field (up to 480 mT)on the structural properties of EuTiO$_3$ (ETO) polycrystalline samples was examined by powder XRD at the Elettra synchrotron facilities in the temperature range 100-300K.…

材料科学 · 物理学 2021-12-15 P. Pappas , M. Calamiotou , M. Polentarutti , G Bais , A. Bussmann-Holder , E. Liarokapis

We report high-resolution specific heat data on a high-quality single crystal of the classical superconductor V3Si, which reveal tiny lambda-shape anomalies appearing superimposed onto the BCS specific heat jump at the superconducting…

超导电性 · 物理学 2015-06-23 Y. Zheng , Y. Liu , N. Toyota , R. Lortz

We report a metal-insulator like transition in single crystalline 3D topological insulator Bi2Te3 at a temperature of 230K in presence of an external magnetic field applied normal to the surface. This transition becomes more prominent at…

介观与纳米尺度物理 · 物理学 2020-06-30 Anand Nivedan , Kamal Das , Sandeep Kumar , Arvind Singh , Sougata Mardanya , Amit Agarwal , Sunil Kumar

Conventional electron-phonon coupling induces either odd (triplet) or even (singlet) pairing states in a time reversal and inversion invariant Dirac semi - metal. In certain range of the chemical potential $\mu $ and parameters…

超导电性 · 物理学 2015-06-22 Baruch Rosenstein , B. Ya. Shapiro , Dingping Li , I. Shapiro

We present magnetic torque, specific heat and thermal expansion measurements combined with a piezo rotary positioner of the bulk transition metal dichalcogenide (TMD) superconductor NbS2 in high magnetic fields applied strictly parallel to…