Time resolved imaging of carrier and thermal transport in silicon
Open accessAbstract
We use ultrashort optical pulses to microscopically image carrier and thermal diffusion in two spatial dimensions in pristine and mechanically polished surfaces of crystalline silicon. By decomposing changes in reflectivity in the latter sample into a transient component that varies with delay time and a steady-state component that varies with pump chopping frequency, the influence of thermal diffusion is isolated from that of carrier diffusion and recombination. Additionally, studies using carrier injection density as a parameter are used to clearly identify the carrier recombination pathway.
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Many attempts have been made on direct TDTR measurements of semiconductors without metal transducers.
“While many attempts have been made on direct TDTR measurements of semiconductors without metal transducers, 223-227”
From Tutorial: Time-domain thermoreflectance (TDTR) for thermal property characterization of bulk and thin film materials (2018) · cites this paper as [224]
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Self-citation
- Authors
- Hurley, D. H., Wright, O. B., Matsuda, O., & Shinde, S. L.
- Affiliations
- Idaho National Laboratory (US)
- Hokkaido University (JP)
- Sandia National Laboratories (SNL) 3 , New Mexico, P.O. Box 5800, Albuquerque, New Mexico 87185, USA
- Venue
- Journal of Applied Physics
- Publisher
- AIP Publishing
- Published
- 2010-01-15
- Volume
- 107
- Issue
- 2
- Pages
- 023521
- ISSN
- 0021-8979 (ISSN-L)
- 1089-7550
- OpenAlex
- W2089798358
- Cited by
- 25
- References
- 37
- Citations by year
- 2025: 1 · 2022: 3 · 2021: 2 · 2020: 1 · 2019: 3 · 2018: 1 · 2016: 2 · 2015: 3 · 2014: 1 · 2013: 3 · 2012: 2
- FWCI
- 4.07
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Journal of Applied Physics (publishedVersion)
- Institutional Repositories DataBase (IRDB) (submittedVersion)
- Hokkaido University Collection of Scholarly and Academic Papers (Hokkaido University) (submittedVersion)
- Funders
- U.S. Department of Energy (DE AC07–05ID14517, AC0705ID14517)
- Laboratory Directed Research and Development (DE-AC07- 05ID14517)
- Topics
- Physical Sciences › Engineering › Mechanics of Materials › Thermography and Photoacoustic Techniques
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Silicon and Solar Cell Technologies
- Physical Sciences › Materials Science › Materials Chemistry › Thermal properties of materials
- Keywords
- carrier diffusion, thermal diffusion, silicon, time-resolved reflectivity, charge recombination, mechanical polishing, ultrashort optical pulses, two-dimensional imaging
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