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High purity Ga2O3, In2O3, and ZnO powders were weighted at a molar ratio of 1: 8: 1, and then InGaZnO (IGZO) ceramic target was fabricated by conventional solid state reaction method in air. IGZO thin films were subsequently prepared by pulsed laser deposition (PLD) method under different pressures at room temperature. The structural and physical properties of the as-grown films were diagnosed by various tools. It was confirmed that all the films exhibited amorphous structure. With the increase of oxygen pressure from 1.0 Pa to 15.0 Pa, surface roughness of IGZO films increased from 0.60 nm to 1.82 nm. The sample deposited under 10.0 Pa oxygen partial pressure had a maximum carrier mobility of 28.6 cm(2)/(V.s), a minimum resistivity of 5.57 x 10(-4) Omega cm, and a highest carrier concentration of 3.95 x 10(20) cm(-3). (C) 2011 Elsevier B.V. All rights reserved.
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JOURNAL OF NON-CRYSTALLINE SOLIDS
ISSN: 0022-3093
Year: 2012
Issue: 17
Volume: 358
Page: 2466-2469
3 . 5 0 0
JCR@2022
ESI Discipline: PHYSICS;
JCR Journal Grade:1
CAS Journal Grade:3
Cited Count:
WoS CC Cited Count: 20
SCOPUS Cited Count: 20
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 10
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