An Investigation of Microwave-Induced dc Voltages in a YBa2Cu3O7-Single Crystal

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题名:	An Investigation of Microwave-Induced dc Voltages in a YBa2Cu3O7-Single Crystal
作者:	Ling, D. C.;Chen, J. T.;Wenger,L. E.
贡献者:	淡江大學物理學系
日期:	1996-06-01
上传时间:	2013-01-15 18:40:41 (UTC+8)
出版者:	College Park: American Physical Society
摘要:	Microwave-induced dc voltages in a YBa2Cu3O7-δ single crystal have been observed along its c axis with or without a dc bias current by utilizing standing waves near the end of an X-band (8–12 GHz) waveguide. With a dc bias current present, the induced voltages arise from both bolometric and nonbolometric effects; however, the characteristics of the induced voltages versus bias currents due to these two effects are distinctively different. In the bolometric effect, the induced voltages are simply due to a resistive change caused by microwave heating whereas the induced voltages from the nonbolometric effect are due to the Josephson vortex flow generated by the microwave H field below the superconducting transition temperature. Without a dc bias current, the induced voltages are attributed to the inverse ac Josephson effect which requires the presence of both the microwave E and H fields. © 1996 The American Physical Society.
關聯:	Physical Review B (Condensed Matter) 53(22), pp.15300-15304
DOI:	10.1103/PhysRevB.53.15300
显示于类别:	[物理學系暨研究所] 期刊論文

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