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V$_3$Si thin films are known to be superconducting with transition temperatures up to 15 K, depending on the annealing temperature and the properties of the substrate underneath. Here we investigate the film structural properties with the…

Dissociation of gas hydrates below 240 K leads to the formation of a metastable form of water ice, so called cubic ice (Ic). Through its defective nature and small particle size the surface film composed of such material is incapable of…

Materials Science · Physics 2015-10-28 Andrzej Falenty , Thomas C. Hansen , Werner F. Kuhs

Pulsed-laser deposition has been used to grow epitaxial thin films of the giant-dielectric-constant material CaCu_3Ti_4O_{12} on LaAlO_3 and SrTiO_3 substrates with or without various conducting buffer layers. The latter include…

Materials Science · Physics 2009-11-07 W. Si , E. M. Cruz , P. D. Johnson , P. W. Barnes , P. Woodward , A. P. Ramirez

We optimize the synthesis conditions for SmFeAsO0.80F0.20 (Sm1111) bulks using a cubic-anvil high-pressure (CA-HP) apparatus through both ex-situ and in-situ processes, applying pressures of up to 4 GPa and heating temperatures of up to…

Superconductivity · Physics 2025-11-05 Mohammad Azam , Tatiana Zajarniuk , Hiraku Ogino , Shiv J. Singh

Newly synthesized perovskite NaOsO3 shows Curie-Weiss metallic nature at high temperature and suddenly goes into an antiferromagnetically insulating state at 410 K on cooling. Electronic specific heat at the low temperature limit is absent,…

Strongly Correlated Electrons · Physics 2015-05-14 Y. G. Shi , Y. F. Guo , S. Yu , M. Arai , A. A. Belik , A. Sato , K. Yamaura , E. Takayama-Muromachi , H. F. Tian , H. X. Yang , J. Q. Li , T. Varga , J. F. Mitchell , S. Okamoto

The present study examines evaporative cooling and the resulting deposition patterns of a sessile $Al_2O_3$-based nanofluid droplet on a hydrophobic glass substrate at different temperatures. Evaporation predominantly occurs in the pinned…

Fluid Dynamics · Physics 2026-03-26 S. K. Saroj , P. K. Panigrahi

We present the structural, magnetic, thermal and ab-plane electronic transport properties of single crystals of CaCu1.7As2 grown by the self-flux technique that were investigated by powder x-ray diffraction, magnetic susceptibility chi,…

Superconductivity · Physics 2013-08-20 V. K. Anand , D. C. Johnston

[Abridged] Observations of protoplanetary disks suggest that they are depleted in gas-phase CO. It has been posed that gas-phase CO is chemically consumed and converted into less volatile species through gas-grain processes. Observations of…

Instrumentation and Methods for Astrophysics · Physics 2022-10-05 J. Terwisscha van Scheltinga , N. F. W. Ligterink , A. D. Bosman , M. R. Hogerheijde , H. Linnartz

Using molecular dynamics computer simulations we investigate how in silica the glass transition and the properties of the resulting glass depend on the cooling rate with which the sample is cooled. By coupling the system to a heat bath with…

Condensed Matter · Physics 2009-10-28 Katharina Vollmayr , Walter Kob , Kurt Binder

Nuclear quadrupole resonance (NQR) on copper nuclei has been applied for studies of the electronic properties of quasi-two-dimensional low-temperature superconductor CuS (covellite) in the temperature region between 1.47 and 290 K. Two NQR…

A quasi one-dimensional compound, Ca3CuRuO6, has been synthesized by solid-state reaction method and studied using magnetization (M) and heat capacity (C) measurements. This compound undergoes magnetic ordering (T_o) around 40 K, as…

Strongly Correlated Electrons · Physics 2016-08-31 S. Rayaprol , E. V. Sampathkumaran

Inorganic halide perovskite \ce{Cs(Rb)PbI3} has attracted significant research interest in the application of light-absorbing material of perovskite solar cells (PSCs). Although there have been extensive studies on structural and electronic…

Materials Science · Physics 2018-07-09 Un-Gi Jong , Chol-Jun Yu , Yun-Hyok Kye , Chol-Ho Kim , Son-Guk Ri , Yue Chen

When investigating low-frequency (0.1 Hz) oscillations of miltiphase high-temperature cuprate superconductors (HTSC) Bi1,7Pb0,3Sr2Ca(n-1)CunOy (n=2-30), a wide attenuation peak with a maximal at T=200K detected. This peak was particularly…

Superconductivity · Physics 2017-10-31 J. G. Chigvinadze , J. V. Acrivos , S. M. Ashimov , D. D. Gulamova , G. J. Donadze

Room temperature angle-dispersive x-ray diffraction measurements on zircon-type EuVO4, LuVO4, and ScVO4 were performed up to 27 GPa. In the three compounds we found evidence of a pressure-induced structural phase transformation from zircon…

Materials Science · Physics 2010-05-04 D. Errandonea , R. Lacomba-Perales , J. Ruiz-Fuertes , A. Segura , S. N. Achary , A. K. Tyagi

We present the specific heat, magnetization, optical spectroscopy measurements and the firstprinciple calculations on the Weberite structure Ca2Os2O7 single crystal/polycrystalline sample. The Ca2Os2O7 shows a Curie-Weiss nature at high…

Strongly Correlated Electrons · Physics 2015-06-11 P. Zheng , Y. G. Shi , Q. S. Wu , G. Xu , T. Dong , Z. G. Chen , R. H. Yuan , B. Cheng , K. Yamaura , J. L. Luo , N. L. Wang

We demonstrate direct cooling of gaseous formaldehyde (H2CO) to the microkelvin regime. Our approach, optoelectrical Sisyphus cooling, provides a simple dissipative cooling method applicable to electrically trapped dipolar molecules. By…

Atomic Physics · Physics 2016-02-19 Alexander Prehn , Martin Ibrügger , Rosa Glöckner , Gerhard Rempe , Martin Zeppenfeld

Terbium titanate (Tb$_2$Ti$_2$O$_7$) is a spin-ice material with remarkable magneto-optical properties. It has a high Verdet constant and is a promising substrate crystal for the epitaxy of quantum materials with the pyrochlore structure.…

We have investigated the evolution of ferromagnetic order in the correlated metal URhGe (Curie temperature $T_{\rm C} = $9.5 K) by chemical substitution of Ru, Co and Si. Polycrystalline samples URh$_{1-x}$Ru$_x$Ge ($x \leq $0.6),…

For temperatures above $T^*=130$K C$_{60} \cdot$C$_8$H$_8$ forms a cubic crystal consisting of two interpenetrating fcc sublattices, one of freely rotating Buckys C$_{60}$ and the other of orientationally ordered cubane C$_8$H$_8$. The…

Materials Science · Physics 2009-02-16 A. B. Harris

Single crystals of non-centrosymmetric $s$-wave superconductor LaPt$_{0.88}$Si$_{1.12}$ have been grown by the Czochralski (Cz) technique, whose crystal structure is described by the space group $I4{_1}md$ at ambient conditions. The…

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