Oxidation kinetics in La0.67Ba0.33MnO3-δ epitaxy on SrTiO3 (001) during pulsed-laser deposition

被引：20
作者：
Zhu, XD [1 ]
Si, WD
Xi, XX
Li, Q
Jiang, QD
Medici, MG
机构：
[1] Univ Calif Davis, Dept Phys, Davis, CA 95616 USA
[2] Penn State Univ, Dept Phys, University Pk, PA 16802 USA
[3] Univ Houston, TCSUH, Houston, TX 77204 USA
来源：
APPLIED PHYSICS LETTERS | 1999年 / 74卷 / 23期
关键词：
D O I：
10.1063/1.124154
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Using an oblique-incidence optical reflectance difference technique, we study the kinetics of La0.67Ba0.33MnO3-delta (LBMO) epitaxy on SrTiO3(001) during pulsed-laser deposition. By monitoring the recovery of the optical response function from one-monolayer-deposited LBMO, we found that under the conditions studied, the epitaxy was rate limited by the oxidation of the as-deposited monolayer with an activation barrier of 1 eV/atom or 23 kcal/mol. The result reveals the origin of oxygen deficiency often found in manganite thin films. (C) 1999 American Institute of Physics. [S0003-6951(99)03723-7].
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页码：3540 / 3542
页数：3
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