Etch pit density in single crystal CdZnTe and CdTe correlated with growth parameters

Cody J. Havrilak; Kelly A. Jones; Kelvin G. Lynn

doi:10.1117/12.895537

27 September 2011 Etch pit density in single crystal CdZnTe and CdTe correlated with growth parameters

Cody J. Havrilak, Kelly A. Jones, Kelvin G. Lynn

Proceedings Volume 8142, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XIII; 81421A (2011) https://doi.org/10.1117/12.895537
Event: SPIE Optical Engineering + Applications, 2011, San Diego, California, United States

Abstract

Surface dislocations were revealed in single crystal CdZnTe and CdTe samples using chemical etching. Dislocation etch pits on the Te dominant (111)B face were studied under optical, infrared and scanning electron microscopes. The samples came from crystal ingots which were grown using different chemical compositions and applied growth parameters. From these ingots, etch pit density, shape and distribution were examined and compared with the varying growth techniques. Resistivity and mobility-lifetime product, μτe, properties of the detectors were measured. A combination of detector grade and non-detector grade ingots were tested. Near infra-red microscopy was used to compare the amount of secondary phases present in the bulk of the crystals with dislocation etch pits on their surface.

Citation Download Citation

Cody J. Havrilak, Kelly A. Jones, and Kelvin G. Lynn "Etch pit density in single crystal CdZnTe and CdTe correlated with growth parameters", Proc. SPIE 8142, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XIII, 81421A (27 September 2011); https://doi.org/10.1117/12.895537

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available