Influence of Oxygen Content in Oriented LaCoO3-δ Thin Films: Probed by X-ray diffraction and Raman Spectroscopy

被引：0
|
作者：
Mishra, D. K. [1 ]
Ahlawat, Anju [1 ]
Sathe, V. G. [1 ]
机构：
[1] UGC DAE Consortium Sci Res, Indore 452001, Madhya Pradesh, India
来源：
SOLID STATE PHYSICS: PROCEEDINGS OF THE 55TH DAE SOLID STATE PHYSICS SYMPOSIUM 2010, PTS A AND B | 2011年 / 1349卷
关键词：
Lathanum cobaltite; thin films; oxygen content; strain; spins state transition; Raman study;
D O I：
10.1063/1.3606019
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Nonstoichiometric oriented thin films of LaCoO3(-delta) of equal thickness and varying oxygen content has been deposited on STO (001) substrate by pulsed laser deposition. X-ray diffraction results show that all films are single phase and c-axis oriented in the (001) direction with in plane tensile strain. In these films strain reduces with increasing oxygen content and Raman study also support this result. Low temperature Raman study shows no change in spin state of Co3+ in temperature range from 300K to down to 80K.
引用
收藏
页码：637 / 638
页数：2
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