학술논문

Anisotropic Thermoelectric Properties of MnSi?Film Prepared on R-Sapphire
Document Type
Article
Source
Applied Physics Express (APEX); May 2012, Vol. 5 Issue: 5 p055501-055501, 1p
Subject
Language
ISSN
18820778; 18820786
Abstract
We attempted to obtain an epitaxial MnSi?(??1.7) film on R-sapphire, i.e., Sapphire(1102), substrate by pulsed laser deposition. We prepared MnSi?films by changing the substrate temperature gradient. It was found that the MnSi?film, whose temperature gradient in a substrate is parallel to Sapphire[1120], could be grown epitaxially on the substrate. The epitaxial relationship was MnSi?(1000)[0010] ? Sapphire(1102)[1120]. The thermoelectric properties of the epitaxial MnSi?film were different in the a- and c-axes, reflecting the anisotropic MnSi?crystal structure. The anisotropic thermoelectric properties are discussed in terms of the electronic structure.