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The creation of hyaluronic acid (HA)-based materials as biomineralisation scaffolds for cost-effective hard tissue regenerative therapies remains a key biomedical challenge. A non-toxic and simple acellular method to generate specific…

生物物理 · 物理学 2021-01-08 Ziyu Gao , Layla Hassouneh , Xuebin Yang , Juan Pang , Paul D. Thornton , Giuseppe Tronci

Palladium satisfies most of the requirements for an effective hydrogen storage material with two major drawbacks: it has a relatively low gravimetric hydrogen density and is prohibitively expensive for large-scale applications. Pd-based…

材料科学 · 物理学 2022-01-19 S. S. Das , G. Kopnov , A. Gerber

We report the magnetic properties, electrical resistivity, and Vickers microhardness of as-cast and annealed high-entropy alloys (HEAs) FeCoNiPd and FeCoNiPt with the face-centered cubic structure. The heat treatment at 800 $^{\circ}$C does…

材料科学 · 物理学 2022-10-26 Jiro Kitagawa

We found that the transport Jc of the ex-situ PIT processed (Ba,K)Fe2As2 (Ba-122) wire with single Ag sheath can be significantly enhanced by repeating the combined process of rolling and heat treatment. The transport Jc (4.2 K and 10 T) of…

超导电性 · 物理学 2015-06-12 K. Togano , Z. S. Gao , H. Taira , S. Ishida , K. Kihou , A. Iyo , H. Eisaki , A. Matsumoto , H. Kumakura

The stability, electronic structure, optical and thermoelectric properties of Te-doped BaTiO3 are investigated by first-principal calculation based on the density functional theory and Boltzmann transport theory implemented in WIEN2K and…

材料科学 · 物理学 2022-02-16 Meryem Ziati , Hamid Ez-Zahraouy

Following our previous investigations on superconductivity in amorphous carbon (aC) based systems; we have prepared thin composite aC-W films using electron-beam induced deposition. The films did not show any sign for superconductivity…

超导电性 · 物理学 2013-01-24 I. Felner , O. Wolf , O. Millo

One of the fundamental applications for monolayer-thick 2D materials is their use as protective layers of metal surfaces and in-situ intercalated reactive materials in ambient conditions. Here we investigate the structural, electronic, and…

Observing solute hydrogen (H) in matter is a formidable challenge, yet, enabling quantitative imaging of H at the atomic-scale is critical to understand its deleterious influence on the mechanical strength of many metallic alloys that has…

We have investigated the structural, elastic, electronic, thermophysical, superconducting, and optical properties of ScYH6 under uniform hydrostatic pressures up to 25 GPa, using the density functional theory (DFT) formalism. Most of…

材料科学 · 物理学 2024-01-23 Md. Ashraful Alam , F. Parvin , S. H. Naqib

Hole-doping of covalent materials has long served as a blueprint for designing conventional high-$T_{\rm c}$ superconductors, but thermodynamic constraints severely limit the space of realizable compounds. Our ab initio results indicate…

We investigated the electrical conductivity of platinum nanowires with heights ranging from 2 nm to 200 nm, deposited by focused electron beam induced deposition (FEBID). Post-deposition processing was employed to enhance the electrical…

介观与纳米尺度物理 · 物理学 2026-01-21 Rajendra Rai , Ujjwal Dhakal , Binod DC , Yoichi Miyahara

The objective of the APEX (A Positron-Electron eXperiment) project is to magnetically confine and study electron--positron pair plasmas. For this purpose, a levitated dipole trap (APEX-LD) has been constructed. The magnetically levitated,…

等离子体物理 · 物理学 2025-11-11 A. Card , M. R. Stoneking , A. Deller , E. V. Stenson

By performing standard PUND (positive-up-negative-down), hysteresis-loop and dielectric measurements on the ferroelectric lead zirconate titanate (PZT) thin-film capacitors subject to bipolar/unipolar electrical cycling, we show that…

材料科学 · 物理学 2010-08-09 X. J. Lou , J. Wang

In this paper we investigate the effect of Cd doping at ultra-low concentrations in SnO$_2$ both experimentally, by measuring the temperature dependence of the electric quadrupole hyperfine interactions with time-differential perturbed…

材料科学 · 物理学 2019-01-23 Germán N. Darriba , Emiliano L. Muñoz , Artur W. Carbonari , Mario Rentería

We present a systematic density functional theory study of the electronic structure of copper phthalocyanine (CuPc), using several different (semi)-local and hybrid functionals, and compare the results to experimental photoemission data. We…

材料科学 · 物理学 2009-11-13 Noa Marom , Oded Hod , Gustavo E. Scuseria , Leeor Kronik

We show that electroplated Re films in multilayers with noble metals such as Cu, Au, and Pd have an enhanced superconducting critical temperature relative to previous methods of preparing Re. The dc resistance and magnetic susceptibility…

A new DTA (Differential Thermal Analysis) device was designed and installed in a Hot Isostatic Pressure (HIP) furnace in order to perform high-pressure thermodynamic investigations up to 2 kbar and 1200C. Thermal analysis can be carried out…

材料科学 · 物理学 2009-11-10 V. Garnier , E. Giannini , S. Hugi , B. Seeber , R. Flukiger

The changes of magnetic properties upon heat treatment of a metastable supersaturated solid solution processed by severe plastic deformation are investigated by in-situ AC-hysteresis measurements. Data are analyzed in the framework of…

材料科学 · 物理学 2021-01-19 Martin Stückler , Stefan Wurster , Reinhard Pippan , Andrea Bachmaier

The results of characterization of TiAlSiON hard coatings deposited on ferric-chromium AISI 430 stainless steel by plasma enhanced magnetron sputtering are presented. The coating with maximum hardness (of 45 GPa) was obtained at the…

The electronic structure of nanocrystalline (nc-) TiC/amorphous C nanocomposites has been investigated by soft x-ray absorption and emission spectroscopy. The measured spectra at the Ti 2p and C 1s thresholds of the nanocomposites are…

介观与纳米尺度物理 · 物理学 2011-12-30 Martin Magnuson , Erik Lewin , Lars Hultman , Ulf Jansson
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