Crossref journal-article
AIP Publishing
Journal of Applied Physics (317)
Abstract

Self-heating effects in a molecular beam epitaxy-grown GaN/AlGaN/GaN structure on a single crystalline diamond is investigated. A transient interferometric method, in combination with a three dimensional model, is used to describe a pulsed operation of a transistor-like heater, and a micro-Raman technique is used in a steady state. Good agreement is found between the techniques. The thermal conductivity of the diamond is found to be 2200 W/m K, and the thermal boundary resistance to the III-N epi-structure is < 1 × 10−8 m2 K/W. The excellent cooling efficiency of the diamond is manifested by the fast saturation of the temperature at 1 μs and by a record low normalized thermal resistance of 3.5 K mm/W.

Bibliography

Kuzmik, J., Bychikhin, S., Pogany, D., Pichonat, E., Lancry, O., Gaquière, C., Tsiakatouras, G., Deligeorgis, G., & Georgakilas, A. (2011). Thermal characterization of MBE-grown GaN/AlGaN/GaN device on single crystalline diamond. Journal of Applied Physics, 109(8).

Authors 9
  1. J. Kuzmik (first)
  2. S. Bychikhin (additional)
  3. D. Pogany (additional)
  4. E. Pichonat (additional)
  5. O. Lancry (additional)
  6. C. Gaquière (additional)
  7. G. Tsiakatouras (additional)
  8. G. Deligeorgis (additional)
  9. A. Georgakilas (additional)
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Dates
Type When
Created 14 years, 3 months ago (April 27, 2011, 6:55 p.m.)
Deposited 2 years ago (Aug. 1, 2023, 9:31 p.m.)
Indexed 3 weeks, 1 day ago (July 30, 2025, 6:56 a.m.)
Issued 14 years, 4 months ago (April 15, 2011)
Published 14 years, 4 months ago (April 15, 2011)
Published Online 14 years, 3 months ago (April 27, 2011)
Published Print 14 years, 4 months ago (April 15, 2011)
Funders 0

None

@article{Kuzmik_2011, title={Thermal characterization of MBE-grown GaN/AlGaN/GaN device on single crystalline diamond}, volume={109}, ISSN={1089-7550}, url={http://dx.doi.org/10.1063/1.3581032}, DOI={10.1063/1.3581032}, number={8}, journal={Journal of Applied Physics}, publisher={AIP Publishing}, author={Kuzmik, J. and Bychikhin, S. and Pogany, D. and Pichonat, E. and Lancry, O. and Gaquière, C. and Tsiakatouras, G. and Deligeorgis, G. and Georgakilas, A.}, year={2011}, month=apr }