English  |  正體中文  |  简体中文  |  Items with full text/Total items : 6491/11663
Visitors : 23785090      Online Users : 136
RC Version 3.2 © Powered By DSPACE, MIT. Enhanced by NTU Library IR team.
Scope Adv. Search
LoginUploadHelpAboutAdminister

Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/14180

Title: Pressure Effects on the Transition Temperature of Superconducting MgCxNi3
Authors: Yang, H. D.;Mollah, S.;Huang, W. L.;Ho, P. L.;Huang, H. L.;Liu, Chia-Jyi;Lin, J. Y.;Zhang, Y. L.;Yu, R. C.;Jin, C. Q.
Contributors: 物理學系
Date: 2003-09
Issue Date: 2012-09-10T06:14:04Z
Publisher: The American Physical Society
Abstract: The effect of hydrostatic pressure (P) up to 17 kbar on the superconducting transition temperature (TC) of the newly discovered intermetallic nonoxide perovskite superconductor MgCxNi3 has been reported. TC is found to increase with increasing P at a rate of dTC/dP∼0.0134 to 0.0155 K/kbar depending on the value of carbon content x. The absolute value of dTC/dP for MgCxNi3 is about the same as that of intermetallic RNi2B2C (R denotes rare earth) and metallic superconductors but about one order of magnitude smaller than that of the most recently and intensively studied superconductor MgB2. However, the dlnTC/dP∼0.00181 to 0.00224kbar-1 and the rate of change of TC with unit cell volume (V), dlnTC/dlnV∼-3.18 to -2.58 of MgCxNi3 are having the comparable magnitude to that of MgB2 with opposite sign. The increase of TC with P in MgCxNi3 can be explained in the framework of density of states (DOS) effect.
Relation: Phys. Rev. B, 68(9): 092507
Appears in Collections:[物理學系] 期刊論文

Files in This Item:

File SizeFormat
index.html0KbHTML450View/Open


All items in NCUEIR are protected by copyright, with all rights reserved.

 


DSpace Software Copyright © 2002-2004  MIT &  Hewlett-Packard  /   Enhanced by   NTU Library IR team Copyright ©   - Feedback