Post-deposition cooling in oxygen is critical for YBa2Cu3O7-d films deposited by eclipse pulsed laser deposition method
YBa2Cu3O7<FONT FACE=Symbol>-</FONT>d thin films were deposited on MgO single crystals by means of an eclipse pulsed laser deposition method. Deposited films are cooled down in situ under an oxygen atmosphere at a given oxygen pressure. The relationship between critical temperature and oxygen deficiency was investigated by means of electrical resistance R(T) and x-ray diffraction measurements. Post-deposition cooling is critical and the high pressure of oxygen during cooling is favorable.
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Main Authors: | Ohmukai,Masato, Fujita,Takehiro, Ohno,Takayuki |
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Format: | Digital revista |
Language: | English |
Published: |
Sociedade Brasileira de Física
2001
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Online Access: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-97332001000100005 |
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