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Mechanical Properties of Ga_(1–x)In_xAs

Guruswamy, S. and Hirth, J. P. and Faber, K. T. (1986) Mechanical Properties of Ga_(1–x)In_xAs. In: Semiconductor-on-Insulator and Thin Film Transistor Technology. Materials Research Society Symposium Proceedings. No.53. Materials Research Society , Pittsburgh, PA, pp. 329-336. ISBN 0931837189.

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Substantial solid solution strengthening of GaAs by In acting as InAs_4 units has recently been predicted. This strengthening could account for the reduction of dislocation density in GaAs single crystals grown from the melt. High temperature hardness measurements up to 700ºC have been carried out on (100) GaAs and Ga_(0.9975)In_(0.0025)As wafers. Results show a significant strengthening effect in In-doped GaAs even at concentration levels of about 0.2 wt%. A temperature independent flow stress region is observed for both these alloys. The In-doped GaAs shows a higher plateau stress level compared to the undoped GaAs. The results are consistent with the solid solution strengthening model.

Item Type:Book Section
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Faber, K. T.0000-0001-6585-2536
Alternate Title:Mechanical Properties of Ga1–xInxAs
Additional Information:© Materials Research Society 1986. This work was initiated under NSF PYI award (DMR-8351476) in conjunction with IBM, Champion Spark Plug Co., Eastman Kodak and Owens Corning Fiberglass. Current support is provided by AFOSR (Contract F49620-85-C-0129).
Funding AgencyGrant Number
Champion Spark PlugUNSPECIFIED
Eastman Kodak CorporationUNSPECIFIED
Owens Corning FiberglassUNSPECIFIED
Air Force Office of Scientific Research (AFOSR)F49620-85-C-0129
Series Name:Materials Research Society Symposium Proceedings
Issue or Number:53
Record Number:CaltechAUTHORS:20140916-213750146
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Official Citation:S. Guruswamy, J.P. Hirth and K.T. Faber (1985). Mechanical Properties of Ga1–xInxAs. MRS Proceedings, 53, 329 doi:10.1557/PROC-53-329.
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:49761
Deposited By: George Porter
Deposited On:17 Sep 2014 23:34
Last Modified:10 Nov 2021 18:47

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