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Exchange bias (EB) is a cornerstone of modern magnetic memory and sensing technologies. Its extension to the realm of two-dimensional (2D) van der Waals (vdW) magnets holds promise for revolutionary advancements in miniaturized and…

Mesoscale and Nanoscale Physics · Physics 2024-06-05 Jifeng Shao , Xiaolong Yin , Chunhao Bao , Sirong Lu , Xiaoming Ma , Shu Guo , Le Wang , Xi Zhang , Zhiyue Li , Longxiang Li , Yue Zhao , Tingyong Chen

Low-temperature refrigeration technology constitutes a crucial component in space exploration. The small-scale, low-vibration Stirling-type pulse tube refrigerators hold significant application potential for space cooling. However, the…

Molybdenum disilicide (MoSi$_2$) is a very promising material for high temperature structural applications due to its high melting point (2030 {\deg}C), low density, high thermal conductivity and good oxidation resistance. However, MoSi$_2$…

Bi$_2$O$_2$Se is a promising material for next-generation semiconducting electronics. It exhibits premature metallicity on the introduction of a tiny amount of electrons, the physics behind which remains elusive. Here we report on transport…

Materials Science · Physics 2021-04-28 Zhuokai Xu , Jialu Wang , Tao Wang , Wanghua Hu , Xiaohui Yang , Xiao Lin

We report the stability and electronic structures of the boron nitride nanotubes (BNNTs) with diameters below 4 A by semi-empirical quantum mechanical molecular dynamics simulations and ab initio calculations. Among them (3,0), (3,1),…

Materials Science · Physics 2009-12-07 Zhuhua Zhang , Wanlin Guo , Yitao Dai

Molecular dynamics simulations have been performed to understand the influence of temperature on the tensile deformation and fracture behavior of $<$111$>$ BCC Fe nanowires. The simulations have been carried out at different temperatures in…

Materials Science · Physics 2017-10-09 G. Sainath , B. K. Choudhary

Hybrid superconductor/semiconductor devices play a crucial role in advancing quantum science and technology by merging the properties of superconductors and semiconductors. To operate these devices at high temperature, Niobium could…

Superconductivity · Physics 2026-03-26 A. Kotsovolou , F. Soofivand , P. Singha , D. Cecca , R. Balice , F. Carillo , C. Puglia , G. De Simoni , F. Bianco , F. Paolucci

The f-electron compound CeAuSb2, which crystallizes in the ZrCuSi2-type tetragonal structure, orders antiferromagnetically between 5 and 6.8 K, where the antiferromagnetic transition temperature T_N depends on the occupancy of the Au site.…

Strongly Correlated Electrons · Physics 2012-03-26 S. Seo , V. A. Sidorov , H. Lee , D. Jang , Z. Fisk , J. D. Thompson , T. Park

In an effort to understand the impact of nanostructuring on the magnetocaloric effect, we have grown and studied gadolinium in MgO/W(50 $\textrm{\AA}$)/[Gd(400 $\textrm{\AA}$)/W(50 $\textrm{\AA}$)]$_8$ heterostructures. The entropy change…

Mesoscale and Nanoscale Physics · Physics 2011-12-19 Casey W. Miller , D. V. Williams , N. S. Bingham , H. Srikanth

As an emerging electricity-free cooling technology, radiative cooling employs outer space as the heat sink. With this, a sky-facing thermal emitter is usually required. Due to the black-body radiation limit at ambient temperature, the…

Single crystals of a novel ruthenate, Ca2Ru2O7, were obtained. An X-ray diffraction study on a single crystal revealed that this material crystallizes in a pyrochlore structure with a lattice parameter, a = 10.197 Angstroms. The magnetic…

Materials Science · Physics 2009-11-11 Taiya Munenaka , Hirohiko Sato

The optical properties of C$_{60}$ single crystals, intercalated with nitrogen molecules, were investigated by the spectral-luminescence method in the temperature range 20 - 230 K. The saturation was carried out under the pressure of 30…

Mesoscale and Nanoscale Physics · Physics 2021-09-29 P. V. Zinoviev , V. N. Zoryansky

Large-area ($\sim$cm$^2$) films of vertical heterostructures formed by alternating graphene and transition-metal dichalcogenide(TMD) alloys are obtained by wet chemical routes followed by a thermal treatment at low temperature (300…

$MgB_2$ becomes superconducting just below 40 K. Whereas porous polycrystalline samples of $MgB_2$ can be synthesized from boron powders, in this letter we demonstrate that dense wires of $MgB_2$ can be prepared by exposing boron filaments…

MgB2 monofilamentary nickel-sheated tapes and wires were fabricated by means of the ex-situ powder-in-tube method using either high-energy ball milled and low temperature synthesized powders. All sample were sintered at 920 C in Ar flow.…

The mechanical properties of Cu/Nb metallic nanolaminates with different layer thickness (7, 16, 34 and 63 nm) were studied by means of micropillar compression tests from room temperature to 400 C. Both strain-rate jump and constant strain…

Materials Science · Physics 2020-09-08 Zhilin Liu , J. Snel , T. Boll , J. -Y. Wang , M. A. Monclús , J. M. Molina-Aldareguía , J. LLorca

Chemically ordered B2 FeRh exhibits a remarkable antiferromagnetic-ferromagnetic phase transition that is first order. It thus shows phase coexistence, usually by proceeding though nucleation at random defect sites followed by propagation…

WSe2 p-MOSFETs with Nb-doped WS2 contacts formed using atomic layer deposition are demonstrated. The devices are fabricated using a technique that aligns the contact metallization with the Nb-doped WS2 contacts using a selective oxidation…

Two-dimensional (2D) carbon-based materials have attracted considerable interest due to their diverse structural and electronic properties, making them ideal for next-generation flat electronics. Among these materials, metallic-like porous…

Two-dimensional solid state gaseous detector for thermal and cold neutrons is created. The detector has active area of 128 x 128 $mm^2$, $^{10}B$ neutron converter, and gas chamber with thin windows. The resistive charge-division readout is…

Instrumentation and Detectors · Physics 2017-04-05 S Potashev , Yu Burmistrov , A Drachev , S Karaevsky , E Konobeevski , S Zuyev