Micro-cooler enhancements by barrier interface analysis

Stephen, A., Dunn, G.M., Glover, J., Oxley, C. H., Montes Bajo, M., Cumming, D.R.S. , Khalid, A. and Kuball, M. (2014) Micro-cooler enhancements by barrier interface analysis. AIP Advances, 4(2), 027105. (doi: 10.1063/1.4865251)

Abstract

A novel gallium arsenide (GaAs) based micro-cooler design, previously analysed both experimentally and by an analytical Heat Transfer (HT) model, has been simulated using a self-consistent Ensemble Monte Carlo (EMC) model for a more in depth analysis of the thermionic cooling in the device. The best fit to the experimental data was found and was used in conjunction with the HT model to estimate the cooler-contact resistance. The cooling results from EMC indicated that the cooling power of the device is highly dependent on the charge distribution across the leading interface. Alteration of this charge distribution via interface extensions on the nanometre scale has shown to produce significant changes in cooler performance.

• Item Type: Articles
• Status: Published
• Refereed: Yes
• Glasgow Author(s) Enlighten ID: Cumming, Professor David and Dunn, Dr Geoffrey and Khalid, Dr Ata-Ul-Habib
• Authors: Stephen, A., Dunn, G.M., Glover, J., Oxley, C. H., Montes Bajo, M., Cumming, D.R.S., Khalid, A., and Kuball, M.
• College/School: College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering
• Journal Name: AIP Advances
• Publisher: American Institute of Physics
• ISSN: 2158-3226
• ISSN (Online): 2158-3226
• Copyright Holders: Copyright © 2014 The Authors
• First Published: First published in AIP Advances 4(2):027105
• Publisher Policy: Reproduced under a Creative Commons License