AN INVESTIGATION OF LASER ABLATION AND DEPOSITION OF Y-BA-CU-O IN AN OXYGEN ENVIRONMENT

被引：67

作者：

DYER, PE ^{[1
]}

ISSA, A ^{[1
]}

KEY, PH ^{[1
]}

机构：

[1] UNIV HULL,SCH ENGN & COMP,DEPT APPL PHYS,HULL HU6 7RX,N HUMBERSIDE,ENGLAND

来源：

APPLIED SURFACE SCIENCE | 1990年 / 46卷 / 1-4期

关键词：

D O I：

10.1016/0169-4332(90)90125-J

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Streak photography, visible-UV emission spectroscopy, infrared emission and time-integrated photography have been used to study the laser ablation of Y-Ba-Cu-O in an oxygen environment. At O2 pressures ≥ 1 mbar the dynamics of the plume become relatively complex, with the expansion resembling a blast-wave with strong mixing and reaction at the contact surface. The range of the ablated material has been measured and compared with an adiabatic expansion model which gives a reasonable description of the results. Preliminary experiments suggest that the quality of deposited films is critically dependent upon the relative position of substrates with respect to the plume range. © 1990.

引用

页码：89 / 95

页数：7

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