PREPARATION OF HIGH T<suB>c</suB> Pb-DOPED Bi-BASED SUPERCONDUCTING AMORPHOUS SOLID

Chin. Phys. Lett.

1990, Vol. 7

Issue (3): 133-136 DOI:

Original Articles

PREPARATION OF HIGH T_c Pb-DOPED Bi-BASED SUPERCONDUCTING AMORPHOUS SOLID

CHEN Meiling;LI Xiaoge;WANG Keyi;LI Shuzhen;XU Shihong;WU Chengjiu;TANG Hongao

Anhui Institute of Optics and Fine Mechanics, Academia Sinica, Hefei 230031

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CHEN Meiling, LI Xiaoge, WANG Keyi et al 1990 Chin. Phys. Lett. 7 133-136

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Abstract The Pb-doped Bi-based amorphous solid has been prepared by the anvil quenching method from the melt. After annealing, we obtained the dense superconductor with onset and zero resistance temperature at 120K and 107K, respectively. X-ray powder diffraction ( XRD ) and selected area electron diffract ion ( SAED ) analysis show that there is mainly high T_c phase (2223 phase) in the sample, and scanning electron microscopy ( SEM ) observation of the surface of the sample reveals that the needle-like grain abound in sample. Energy dispersive analysis of X-ray ( EDAX ) indicates that the average composition of grains is Bi₂Pb_0.3Sr_1.3Ca_1.7 Cu_2.3 O_δ

Keywords: 81.20.-n

Published: 01 March 1990

PACS:	74.00
	81.20.-n	(Methods of materials synthesis and materials processing)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1990/V7/I3/0133

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	CHEN Meiling
	LI Xiaoge
	WANG Keyi
	LI Shuzhen
	XU Shihong
	WU Chengjiu
	TANG Hongao

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