Growth of MN/Pt heterostructures on amorphous substrates at low temperatures via atomic layer epitaxy

被引:6
|
作者
Nepal, N. [1 ]
Goswami, R. [1 ]
Qadri, S. B. [1 ]
Mahadik, N. A. [1 ]
Kub, F. J. [1 ]
Eddy, C. R., Jr. [1 ]
机构
[1] US Naval Res Lab, Washington, DC 20375 USA
关键词
Atomic layer epitaxy; AlN/Pt heterostructures; Microelectromechanical systems; Low temperature; THIN-FILMS; ALN; BULK;
D O I
10.1016/j.scriptamat.2014.08.027
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Recent results on atomic layer epitaxy (ALE) growth and characterization of (0001)AlN on highly oriented (111)Pt layers on amorphous HfO2/Si(100) are reported. HfO2 was deposited by atomic layer deposition on Si(100) followed by ALE growth of Pt(15 nm) and, subsequently, AlN(60 nm) at 500 degrees C. Based on the X-ray diffraction and transmission electron microscopy measurements, the Pt and AlN layers are highly oriented along the (111) and (0002) directions, respectively. Demonstrations of AlN/Pt heterostructures open up the possibility of new state-of-the-art microelectromechanical systems devices. (C) 2014 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码:44 / 47
页数:4
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