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How changes in the crystal temperature and the doping concentration impact upon bulk wurtzite zinc oxide’s electron transport response

Published online by Cambridge University Press:  07 May 2019

Poppy Siddiqua ,
Walid A. Hadi ,
Michael S. Shur  and
Stephen K. O’Leary
Poppy Siddiqua
Affiliation:
School of Engineering, The University of British Columbia, Kelowna, British Columbia, Canada V1V 1V7
Walid A. Hadi
Affiliation:
Department of Electrical and Computer Engineering, Florida State University, Panama City, Florida32405, U.S.A.
Michael S. Shur
Affiliation:
Department of Electrical, Computer, and Systems Engineering, Rensselaer Polytechnic Institute, Troy, New York12180-3590, U.S.A.
Stephen K. O’Leary*
Affiliation:
School of Engineering, The University of British Columbia, Kelowna, British Columbia, Canada V1V 1V7
*
*(E-mail: stephen.oleary@ubc.ca)
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Abstract

The role that changes in the crystal temperature and the doping concentration play in shaping the character of the steady-state and transient transport response of electrons within bulk wurtzite zinc oxide will be examined. Monte Carlo electron transport simulations are drawn upon for the purposes of this analysis. We find that both the crystal temperature and the doping concentration greatly influence the character of the steady-state and transient electron transport response. In particular, for the case of steady-state electron transport, the peak drift velocity decreases by 30% as the crystal temperature is increased from 100 to 700 K, this decrease in velocity being only 20% as the doping concentration is increased from 1015 to 1019 cm-3. The impact on the transient electron drift velocity is not as acute.

Keywords

simulationsemiconductingoxide
Type
Articles
Information
MRS Advances , Volume 4 , Issue 50: Broader Impact/Characterization, Processing and Theory , 2019 , pp. 2673 - 2678
Copyright
Copyright © Materials Research Society 2019 

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References

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Siddiqua, P. and O’Leary, S. K., J. Mater. Sci.: Mater. Electron. 29, 3511 (2018).Google Scholar