Step formation, faceting, and bunching in atomically flat SrTiO3 (110) surfaces

被引：42

作者：

Bachelet, R. ^{[1
]}

Valle, F. ^{[1
]}

Infante, I. C. ^{[1
]}

Sanchez, F. ^{[1
]}

Fontcuberta, J. ^{[1
]}

机构：

[1] Inst Ciencia Mat Barcelona, CSIC, Bellaterra 08193, Spain

来源：

APPLIED PHYSICS LETTERS | 2007年 / 91卷 / 25期

关键词：

D O I：

10.1063/1.2825586

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We demonstrate that single-terminated atomically flat surfaces of polar SrTiO(3) (110) can be obtained by annealing in air at temperatures above 1000 degrees C. We show that a morphological transition occurs from disordered step edges to faceted step edges in the range of 1000-1100 degrees C with appropriate annealing conditions. The influence of miscut angles (polar and azimuthal) on the surface nanostructure, i.e., step bunching and faceting of step edges, is described. We show how the azimuthal angle has a critical role for the step-edge faceting and the step-bunching formation. (c) 2007 American Institute of Physics.

引用

页数：3

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