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Related papers: High-Field Conduction in Barium Titanate

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The discovery of superconductivity (SC) with critical temperature $T_c$ above the boiling point of liquid nitrogen in pressurized La$_3$Ni$_2$O$_{7}$ has sparked a surge of exploration of high-$T_c$ superconductors in the Ruddlesden-Popper…

Superconductivity · Physics 2026-02-24 Ming Zhang , Cui-Qun Chen , Dao-Xin Yao , Fan Yang

Crystals with symmetry-protected topological order, such as topological insulators, promise coherent spin and charge transport phenomena even in the presence of disorder at room temperature. Still, a major obstacle towards an application of…

Mesoscale and Nanoscale Physics · Physics 2019-04-17 Paul Seifert , Marinus Kundinger , Gang Shi , Xiaoyue He , Kehui Wu , Yongqing Li , Alexander Holleitner , Christoph Kastl

Here, we report the magneto-conductivity (up to 14Tesla and down to 5K) analysis of Bi2Te3 single-crystal. A sharp magneto-conductivity (MC) rise (inverted v-type cusp) is observed near H=0 due to the weak antilocalization (WAL) effect,…

Materials Science · Physics 2021-03-17 Yogesh Kumar , Rabia Sultana , V. P. S. Awana

Recently, optical bound states in continuum in various passive photonic crystals have been identified and similar structures incorporated with optical gain have been reported to exhibit lasing. However, no explicit control over the type of…

BiFeO3 thin films were grown on Pt/c-sapphire substrates by pulsed laser deposition with different growth rates. With increasing growth rate the leakage current is decreased and the conduction mechanism changes from bulk-limited…

Strontium titanate ($\mathrm{SrTiO_3, STO}$) dome-shaped superconducting transition temperature as a function of chemical potential, consistent with STO experiments, and shows that tunable s-wave and d-wave symmetries are modulated by…

Superconductivity · Physics 2026-02-23 Xing Yang , Xinyu Zhang , Xuchang Zhang

The high field transport characteristics of nanostructured transistors based on layered materials are not only important from a device physics perspective but also for possible applications in next generation electronics. With the growing…

Very high applied pressure induces superconductivity with the transition temperature ($T_c$) exceeding 19 K in elemental yttrium, but relatively little is known about the nature of that superconductivity. From point-contact spectroscopy…

Two recent experiments in lightly doped strontium titanate have shown that the superconducting critical temperature remains constant in a range of carrier concentrations covering almost three orders of magnitude. The importance of this…

Superconductivity · Physics 2022-02-25 Yaron Kedem

The experimental investigations done in our paper Phys.Rev.B84,014522(2011) allowed us to establish that the superconducting fluctuations (SCF) always die out sharply with increasing T. But contrary to the claim done in the comment of…

Superconductivity · Physics 2012-05-08 F. Rullier-Albenque , H. Alloul , G. Rikken

The model is based on a mirror symmetry breaking second order phase transition leading to a pairing between a free charge carriers and a free mirror charge carriers. This approach gives a unified description of low and high Tc…

Superconductivity · Physics 2009-10-21 T. Guerfi

We investigate the cubic to tetragonal phase transition in the pressure-temperature phase diagram of strontium titanate SrTiO3 (STO) by means of Raman spectroscopy and X-ray diffraction on single crystal samples. X-ray diffraction…

Materials Science · Physics 2011-08-03 Mael Guennou , Pierre Bouvier , Jens Kreisel , Denis Machon

Traditional approaches to identify ion-transport pathways often presume equal probability of occupying all hopping sites and focus entirely on finding the lowest migration barrier channels between them. Although this strategy has been…

Materials Science · Physics 2023-01-27 Shashwat Anand , Tina Chen , Gerbrand Ceder

The current work is focused on the impact of the lithium stoichiometry on electrical conductivity, acoustic properties and high-temperature stability of single crystalline Li(Nb,Ta)O$_{3}$ at high temperatures. The crystals grown from…

We present a combined theoretical and experimental study of the high-pressure behavior of thallium. X-ray diffraction experiments have been carried out at room temperature up to 125 GPa using diamond-anvil cells, nearly doubling the…

Materials Science · Physics 2016-10-04 C. Cazorla , S. G. MacLeod , D. Errandonea , K. A. Munro , M. I. McMahon , C. Popescu

beta-Ga2O3 is a wide bandgap semiconductor with electrical properties better than SiC and GaN which makes it promising for applications of next-generation power devices. However, the thermal conductivity of \b{eta}-Ga2O3 is more than one…

High-quality Bi$_{2+x}$Sr$_{2-x}$CuO$_{6+\delta}$(0$<$x$\leq$0.5) single crystals have been grown successfully using the travelling-solvent floating-zone(TSFZ) technique. The samples with $x >$ 0.05 are in the underdoped level. The…

Superconductivity · Physics 2009-11-11 Huiqian Luo , Lei Fang , Gang Mu , Hai-Hu Wen

The case of axisymmetric ILC type cavities with titanium helium vessels is investigated. A first order estimate for magnetic field within the SRF current layer is presented. The induced magnetic field is found to be not more than 1.4x10-8…

Accelerator Physics · Physics 2014-04-01 Anthony C. Crawford

Rare Earth Barium Copper Oxide (REBCO) coated conductors (CCs) have emerged for future high field magnets in fields and temperatures inaccessible for Nb based superconductors. However, their exceptionally high current densities pose…

The superconducting (SC) phase diagram in uranium ditelluride is explored under magnetic fields ($H$) along the hard magnetic b-axis using a high-quality single crystal with $T_{\rm c} = 2.1$ K. Simultaneous electrical resistivity and AC…

Superconductivity · Physics 2023-05-18 H. Sakai , Y. Tokiwa , P. Opletal , M. Kimata , S. Awaji , T. Sasaki , D. Aoki , S. Kambe , Y. Tokunaga , Y. Haga
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