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Related papers: Recent RHIC in-situ coating technology development…

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The structure of the Cu(110) surface is studied at high temperatures using a combination of lattice-gas Monte Carlo and molecular dynamics methods with identical many-atom interactions derived from the effective medium theory. The…

Condensed Matter · Physics 2009-10-22 J. Merikoski , H. Hakkinen , M. Manninen , J. Timonen , K. Kaski

This paper presents highly precise measurements of thermal expansion of a "hybrid" carbon-fiber reinforced silicon carbide composite, HB-Cesic\textregistered - a trademark of ECM, in the temperature region of \sim310-10K. Whilst C/SiC…

Instrumentation and Methods for Astrophysics · Physics 2015-05-30 K. Enya , N. Yamada , T. Imai , Y. Tange , H. Kaneda , H. Katayama , M. Kotani , K. Maruyama , M. Naitoh , T. Nakagawa , T. Onaka , M. Suganuma , T. Ozaki , M. Kume , M. R. Krodel

Controllable geometric manipulation via micromachining techniques provides a promising tool for enhancing useful topological electrical responses relevant to future applications such as quantum information science. Here we present…

Materials Science · Physics 2019-10-29 Yangmu Li , Jie Wu , Fernando Camino , G. D. Gu , Ivan Božović , John M. Tranquada

TiN film was coated on the internal face of racetrack-type ceramic pipe by three different methods: radio-frequency sputtering, DC sputtering and DC magnetron sputtering. The deposition rates of TiN film under different coating methods were…

Accelerator Physics · Physics 2015-01-13 Jie Wang , Yanhui Xu , Bo Zhang , Wei Wei , Le Fan , Xiangtao Pei , Yuanzhi Hong , Yong Wang

The electrical resistivity and the anisotropic magnetoresistance (AMR) was investigated for Ni Co alloys at and below room temperature. The Ni Co alloy layers having a thickness of about 2 um were prepared by electrodeposition on Si wafers…

Materials Science · Physics 2016-07-08 B. G. Tóth , L. Péter , Á. Révész , J. Pádár , I. Bakonyi

We present two different techniques for achieving low resistance ($<$20 n$\rm \Omega$) contacts between copper and aluminium at cryogenic temperatures. The best method is based on gold plating of the surfaces in an e-beam evaporator…

X-ray absorption spectroscopy(XAS) Ru L-edge and O K-edge measurements on single crystals of Sr2YRu1-xCuxO6 (x=0.01-0.05) solid solutions show that Cu replaces Ru in the lattice which results in a lattice distortion and itinerant holes that…

Superconductivity · Physics 2010-11-16 Chi Liang Chen , S. M. Rao , C. L. Dong , J. L. Chen , Y. S. Liu , C. L. Chang , T. S. Chan , H. L. Liu , H. H. Shieh , M. K. Wu

Ductile Regime Machining of semiconductors (DRM) offers higher quality of the resulting surfaces. To optimize this process, it is required to understand the thermal kinetics of silicon metallization under pressure. Such understanding is not…

Materials Science · Physics 2010-08-10 Hisham A. Abdel-Aal , Ysai Reyes , John A. Patten , Lei Dong

Seven-core Ag/Fe sheathed Sr0.6K0.4Fe2As2 (Sr-122) superconducting wires were produced by the ex situ powder-in-tube (PIT) method. The relationship between the cold-work deformation process and the superconducting properties of wires were…

Superconductivity · Physics 2014-06-04 Chao Yao , Yanwei Ma , Chengduo Wang , Xianping Zhang , Dongliang Wang , Chunlei Wang , He Lin , Qianjun Zhang

Future gravitational wave detectors (GWDs) such as Advanced LIGO upgrades and the Einstein Telescope are planned to operate at cryogenic temperatures using crystalline silicon (cSi) test-mass mirrors at an operation wavelength of 1550 nm.…

Experimental evidence from RHIC indicates that matter having an energy density far in excess of the value required for the creation of a deconfined phase is produced in ultrarelativistic Au+Au collisions at a center of mass energy of 200…

Nuclear Experiment · Physics 2011-08-04 John Lajoie

We report enhanced three-dimensional degenerated Raman sideband cooling (3D DRSC) of caesium (Cs) atoms in a standard single-cell vapour-loading magneto-optical trap. Our improved scheme involves using a separate repumping laser and…

Atomic Physics · Physics 2015-06-24 Y. Li , J. Wu , G. Feng , J. Nute , S. Piano , L. Hackermuller , J. Ma , L. Xiao , S. Jia

The extensive applications of cubic silicon in flexible transistors and infrared detectors are much hindered by its intrinsic properties. Metastable silicon phases, such as Si-III, IV and XII prepared using extreme pressure method, provide…

Materials Science · Physics 2025-03-07 Yubing Du , Guoshuai Du , Zhixi Zhu , Jiaohui Yan , Jiayin Li , Tiansong Zhang , Lina Yang , Ke Jin , Yabin Chen

Fast muon beam six dimensional (6D) phase space cooling is essential for muon colliders. The Helical Cooling Channel (HCC) uses hydrogen-pressurized RF cavities imbedded in a magnet system with solenoid, helical dipole, and helical…

Accelerator Physics · Physics 2012-02-06 K. Yonehara , R. P. Johnson , Y. S. Derbenev

We report the obtaining and primary studies of ~ 250microns thick multi-layer Ti-based protective coating deposited at high cooling rate from substance generated by cathode arc discharge in vacuum. High adhesion to steel substrate was…

REBCO tape has successfully used in ultra-high field magnets. Mechanically, it is very strong in its length direction but is prone to delamination in the thickness direction. In an epoxy impregnated REBCO magnet, thermal strain alone could…

Superconductivity · Physics 2024-10-15 Jun Lu , Jeremy Levitan , Aliya Hutley , Hongyu Bai

In this article, an overview of the fabrication and properties of high quality La0.67Sr0.33MnO3 (LSMO) thin films is given. A high quality LSMO film combines a smooth surface morphology with a large magnetization and a small residual…

The experimentally measured resistivity of Co(0001) and Ru(0001) single crystal thin films, grown on c-plane sapphire substrates, as a function of thickness is modeled using the semiclassical model of Fuchs-Sondheimer. The model fits show…

We report techniques for the fabrication of multi-zone linear RF Paul traps that exploit the machinability and electrical conductivity of degenerate silicon. The approach was tested by trapping and laser cooling 24Mg+ ions in two trap…

Quantum Physics · Physics 2015-05-13 J. Britton , D. Leibfried , J. Beall , R. B. Blakestad , J. H. Wesenberg , D. J. Wineland

Silicon carbide (SiC) excels in its outstanding mechanical properties, which are widely studied in Microelectromechanical systems (MEMS). Recently, the mechanical tuning of color centers in 4H-SiC has been demonstrated, broadening its…

Materials Science · Physics 2021-03-23 Boyang Jiang , Noah F. Opondo , Sunil A. Bhave