Nondestructive characterization of Hg1-xCdxTe layer structures by magneto-thermoelectric measurements

Jan W. Baars; D. Brink

doi:10.1117/12.164947

7 December 1993 Nondestructive characterization of Hg1-xCdxTe layer structures by magneto-thermoelectric measurements

Jan W. Baars, D. Brink

Proceedings Volume 2021, Growth and Characterization of Materials for Infrared Detectors; (1993) https://doi.org/10.1117/12.164947
Event: SPIE's 1993 International Symposium on Optics, Imaging, and Instrumentation, 1993, San Diego, CA, United States

Abstract

The thermoelectric properties of n-type Hg_0.79Cd_0.21Te (MCT) and of MCT layers with n-p-n structure were investigated in transverse magnetic fields (B (perpendicular) $DELT; 0 <EQ B <EQ 12 kG) using the lateral gradient method at temperatures between 15 K and 300 K. The experimental results were analyzed regarding the contributions of electrons and holes to the magneto-thermoelectric effect and the scattering mechanisms involved. The analysis is based on a nonparabolic conduction band and Landau quantization together with expressions for the band gap, the intrinsic carrier density, and the magnetoresistance. The magneto-thermoelectric effect was found to be a useful nondestructive tool for determining the doping and composition of the constituent layers of MCT n-p-n structures.

Citation Download Citation

Jan W. Baars and D. Brink "Nondestructive characterization of Hg1-xCdxTe layer structures by magneto-thermoelectric measurements", Proc. SPIE 2021, Growth and Characterization of Materials for Infrared Detectors, (7 December 1993); https://doi.org/10.1117/12.164947

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