Thermoelectric Effect of YBa2Cu3O7-δ Films with Risetime of 0.6 Nanosecond

Chin. Phys. Lett.

1996, Vol. 13

Issue (7): 545-548 DOI:

Original Articles

Thermoelectric Effect of YBa₂Cu₃O_7-δ Films with Risetime of 0.6 Nanosecond

ZHANG Lian-fang;TANG Bo;HUANG He-sheng;ZHANG Hui-yun, LIU Meng-lin;WU Zhen-yi;ZHOU Yue-liang^*

Department of Physics, Tsinghua University, Beijing 100084 ^*Institute of Physics, Chinese Academy of Sciences, Beijing 100080

Cite this article:

ZHANG Lian-fang, TANG Bo, HUANG He-sheng et al 1996 Chin. Phys. Lett. 13 545-548

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Abstract Voltage pulses of 90 V have been observed in YBa₂Cu₃O_7-δ films with a tilted orientation when they are illuminated by pulsed laser at room temperature. The signals result from the anisotropy of thermoelectricity in the films. The thermoelectric signals related to the tilted angle are linear to the laser power and wavelength-independent. It is shown that the response of films to the mode-locked laser has a risetime less than 1ns and width less than 20 ns. The films with the superconducting transition temperature of 90K were prepared by laser ablation.

Keywords: 73.50.Lw 74.75.+t

Published: 01 July 1996

PACS:	73.50.Lw	(Thermoelectric effects)
	74.75.+t

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1996/V13/I7/0545

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	ZHANG Lian-fang
	TANG Bo
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	LIU Meng-lin
	WU Zhen-yi
	ZHOU Yue-liang

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