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Title: Space-and-time resolved spectroscopy of single GaN nanowires

Abstract

Gallium nitridenanowires have garnered much attention in recent years due to their attractive optical and electrical properties. An understanding of carrier transport, relaxation, and recombination in these quasi-one-dimensional nanosystems is therefore important in optimizing them for various applications. We present ultrafast optical microscopic measurements on single GaNnanowires. Furthermore, our experiments, performed while varying the light polarization,excitation fluence, and position, give insight into the mechanisms governing carrier dynamics in these nanosystems.

Authors:
 [1];  [2];  [3];  [3];  [3];  [4];  [4]
+ Show Author Affiliations
  1. Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Indian Space Research Organization, Bangalor (India)
  2. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States); New Mexico State Univ., Las Cruces, NM (United States)
  3. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
  4. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Publication Date:
Research Org.:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States); Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1235285
Alternate Identifier(s):
OSTI ID: 1226766; OSTI ID: 1239536
Report Number(s):
SAND-2015-5890J; LA-UR-15-24825
Journal ID: ISSN 0003-6951; 598503
Grant/Contract Number:  
AC04-94AL85000; AC52-06NA25396
Resource Type:
Accepted Manuscript
Journal Name:
Applied Physics Letters
Additional Journal Information:
Journal Volume: 106; Journal Issue: 26; Journal ID: ISSN 0003-6951
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; III-V semiconductors; carrier relaxation times; nanowires; polarization; ultrafast measurements; 77 NANOSCIENCE AND NANOTECHNOLOGY

Citation Formats

Upadhya, Prashanth C., Martinez, Julio A., Li, Qiming, Wang, George T., Swartzentruber, Brian S., Taylor, Antoinette J., and Prasankumar, Rohit P. Space-and-time resolved spectroscopy of single GaN nanowires. United States: N. p., 2015. Web. doi:10.1063/1.4923273.
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Upadhya, Prashanth C., Martinez, Julio A., Li, Qiming, Wang, George T., Swartzentruber, Brian S., Taylor, Antoinette J., & Prasankumar, Rohit P. Space-and-time resolved spectroscopy of single GaN nanowires. United States. https://doi.org/10.1063/1.4923273
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Upadhya, Prashanth C., Martinez, Julio A., Li, Qiming, Wang, George T., Swartzentruber, Brian S., Taylor, Antoinette J., and Prasankumar, Rohit P. Tue . "Space-and-time resolved spectroscopy of single GaN nanowires". United States. https://doi.org/10.1063/1.4923273. https://www.osti.gov/servlets/purl/1235285.
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@article{osti_1235285,
title = {Space-and-time resolved spectroscopy of single GaN nanowires},
author = {Upadhya, Prashanth C. and Martinez, Julio A. and Li, Qiming and Wang, George T. and Swartzentruber, Brian S. and Taylor, Antoinette J. and Prasankumar, Rohit P.},
abstractNote = {Gallium nitridenanowires have garnered much attention in recent years due to their attractive optical and electrical properties. An understanding of carrier transport, relaxation, and recombination in these quasi-one-dimensional nanosystems is therefore important in optimizing them for various applications. We present ultrafast optical microscopic measurements on single GaNnanowires. Furthermore, our experiments, performed while varying the light polarization,excitation fluence, and position, give insight into the mechanisms governing carrier dynamics in these nanosystems.},
doi = {10.1063/1.4923273},
journal = {Applied Physics Letters},
number = 26,
volume = 106,
place = {United States},
year = {Tue Jun 30 00:00:00 EDT 2015},
month = {Tue Jun 30 00:00:00 EDT 2015}
}
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Publisher's Version of Record
https://doi.org/10.1063/1.4923273
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    Works referencing / citing this record:

    Ultrafast measurements of the dynamics of single nanostructures: a review
    journal, November 2018

    • Beane, Gary; Devkota, Tuphan; Brown, Brendan S.
    • Reports on Progress in Physics, Vol. 82, Issue 1
    • DOI: 10.1088/1361-6633/aaea4b
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