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Surface barriers on ZnSe and ZnO

Mead, C. A. (1965) Surface barriers on ZnSe and ZnO. Physics Letters, 18 (3). p. 218. ISSN 0031-9163. http://resolver.caltech.edu/CaltechAUTHORS:20141217-150924242

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Abstract

We report measurements of surface barrier heights of several metals on vacuum cleaved ZnSe and ZnO surfaces, indicating that both of these materials behave as expected for materials without surface states. Samples were prepared by cleavage in a vacuum in the stream of evaporating metal, thus insuring a clean interface. Barrier heights were measured using the photoresponse technique on the ZnSe and for the higher barriers on the ZnO, and by analysis of the [-V characteristic for the lower barriers on ZnO (Cu, In, Al, Ti). The detailed procedure has been described previously [1]. The results of this study are shown in fig. 1, together with the values for ZnS taken from Aven and Mead [2]. The probable errors are greater for the lower barriers, in some cases it being only possible to give an upper limit (as indicated by the bars). For the higher barriers the probable error is less than 0.1 eV.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1016/0031-9163(65)90295-7DOIArticle
http://www.sciencedirect.com/science/article/pii/0031916365902957PublisherArticle
Additional Information:Copyright © 1965 Elsevier. The author wishes to thank H. M. Simpson for preparing the samples and W. Holden for supplying the ZnSe crystals. The work was supported in part by the Office of Naval Research and the International Telephone and Telegraph Company.
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Funding AgencyGrant Number
Office of Naval Research (ONR)UNSPECIFIED
International Telephone and Telegraph CompanyUNSPECIFIED
Record Number:CaltechAUTHORS:20141217-150924242
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20141217-150924242
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ID Code:52983
Collection:CaltechAUTHORS
Deposited By: Kristin Buxton
Deposited On:17 Dec 2014 23:33
Last Modified:17 Dec 2014 23:33

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