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We report the observation of a premelting transition at chemically sharp solid-liquid interfaces using molecular-dynamics simulations. The transition is observed in the solid-Al/liquid-Pb system and involves the formation of a liquid…

材料科学 · 物理学 2015-06-12 Yang Yang , Mark Asta , Brian B. Laird

In this paper I report, exchange bias effect in a bilayer thin film of amorphous zinc ferrite and nanocrystalline gallium ferrite. The amorphous zinc ferrite layer was deposited at room temperature (Ts = RT) on top of a nanocrystalline…

材料科学 · 物理学 2019-11-18 Himadri Roy Dakua

A comparative study of the physical properties of undoped Zinc Oxide (ZnO) and Al doped Zinc Oxide (AZO) thin films were performed as a function of annealing temperature. The structural properties were analyzed using X-ray diffraction and…

应用物理 · 物理学 2019-09-06 Joydip Sengupta , R. K. Sahoo , C. D. Mukherjee

The influence of Zr additions (in the form of ZrH2 particles) on the microstructure and mechanical properties of IN718 Ni-based superalloy manufactured by selective laser melting was explored. Fully dense alloys could be obtained by careful…

材料科学 · 物理学 2021-04-21 C. Galera-Rueda , E. Nieto-Valeiras , M. Gardon , M. T. Pérez-Prado , J. LLorca

We perform in-situ two-cycle thermal cycling and annealing studies for a transferred CVD-grown monolayer MoS2 on a SiO2/Si substrate, using spatially resolved micro-Raman and PL spectroscopy. After the thermal cycling and being annealed at…

材料科学 · 物理学 2017-03-15 Liqin Su , Yifei Yu , Linyou Cao , Yong Zhang

We study the structural properties and the collective microscopic dynamics of atoms in the amorphous metallic alloy $Ni_{33}Zr_{67}$ at the temperature $T=300K$ by molecular dynamics simulations. The calculated equilibrium structural and…

无序系统与神经网络 · 物理学 2015-06-11 Ramil M. Khusnutdinoff , Anatolii V. Mokshin , Ilgiz I. Khadeev

A Li-Al-O thin film materials library, deposited by inert magnetron sputtering and post-deposition annealing in O2 atmosphere, was used to study the effects of different annealing temperatures (300 to 850{\deg}C) and durations (1 min to 7…

材料科学 · 物理学 2024-11-22 Florian Lourens , Detlef Rogalla , Ellen Suhr , Alfred Ludwig

Thermal annealing is a widely used thin-film processing technique for modifying interfacial optical losses and electronic scattering in plasmonic materials. Here, we investigate how thermal annealing of gold thin films deposited on silicon…

光学 · 物理学 2026-01-09 A. Márquez , R. Esquivel-Sirvent

Pulsed laser deposition from a Nd:YAG laser was employed in production of hundreds of nanometer thick quasicrystalline Ti-Zr-Ni films on glass substrate. The influence of deposition temperature Ts on the structure, morphology and…

材料科学 · 物理学 2020-10-26 Valerie Brien , A. Dauscher , P. Weisbecker , J. Ghanbaja , F Machizaud

Upgrades to ground-based gravitational-wave observatories will require mirror coatings with reduced thermal noise, enabling improved detector sensitivity and extended astrophysical reach. Recent studies have shown that optical coatings…

The thickness dependence of the magnetic properties of amorphous Fe90Zr10 layers has been explored using Fe90Zr10/Al75Zr25 multilayers. The Al75Zr25 layer thickness is kept at 40 \AA, while the thickness of the Fe90Zr10 layers is varied…

材料科学 · 物理学 2012-07-06 P. T. Korelis , P. E. Jönsson , A. Liebig , H. -E. Wannberg , P. Nordblad , B. Hjörvarsson

Interfacial segregation can stabilize grain structures and even lead to grain boundary complexion transitions. However, understanding of the complexity of such phenomena in polycrystalline materials is limited, as most studies focus on…

材料科学 · 物理学 2021-07-02 P Garg , Z Pan , V Turlo , TJ Rupert

Silicate hybrid materials were prepared by the sol-gel process with the addition of x wt% of zirconium propoxide (x = 0 and 1). The thermal behavior as well as the influence of Zr addition was studied by thermal gravimetric analysis and…

The effect of thermal annealing on the properties of Al-AlOx-Al single electron tunneling transistors is reported. After treatment of the devices by annealing processes in forming gas atmosphere at different temperatures and for different…

介观与纳米尺度物理 · 物理学 2009-11-07 H. Scherer , Th. Weimann , A. B. Zorin , J. Niemeyer

We study the combined effect of temperature and disorder in the spacer on the interlayer exchange coupling. The temperature dependence is treated on ab initio level. We employ the spin-polarized surface Green function technique within the…

介观与纳米尺度物理 · 物理学 2017-02-08 Vaclav Drchal , Josef Kudrnovsky , Patrick Bruno , Peter Dederichs , Peter Weinberger

We investigate the interlayer coupling between two thin ferromagnetic (F) films mediated by an antiferromagnetic (AF) spacer in F*/AF/F trilayers and show how it transitions between different regimes on changing the AF thickness. Employing…

Varying the thermal boundary conductance at metal-dielectric interfaces is of great importance for highly integrated electronic structures such as electronic, thermoelectric and plasmonic devices where heat dissipation is dominated by…

应用物理 · 物理学 2020-12-08 S. M. Oommen , S. Pisana

Poly(ethylene terephthalate) (PET) is a semi--crystalline polymer that can be crystallized to different degrees heating from the amorphous state. Even when primary crystallization has been completed, secondary crystallization can take place…

材料科学 · 物理学 2015-05-13 J. Sellares , J. A. Diego , J. Belana

In this study, we achieved the improvement of uniaxial perpendicular magnetic anisotropy (PMA) in the W/MgAl2O4/CoFeMnSi/W/CoFeMnSi/MgAl2O4/W heterostructure by manipulating the annealing temperature (TA) [350 C, 450 C, and 550 C]. We…

材料科学 · 物理学 2024-08-27 L. Saravanan , Nanhe Kumar Gupta , Vireshwar Mishra , Sujeet Chaudhary , Carlos Garcia

The magnetocaloric effect in exchange-coupled synthetic-antiferromagnet multilayers is investigated experimentally and theoretically. We observe a temperature-controlled inversion of the effect, where the entropy increases on switching the…

介观与纳米尺度物理 · 物理学 2021-09-17 D. M. Polishchuk , M. Persson , M. M. Kulyk , E. Holmgren , G. Pasquale , A. Ullah , R. Skomski , V. Korenivski