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Bismuth-induced Raman modes in GaP1–xBix

Journal Article · · Japanese Journal of Applied Physics
 [1];  [2];  [2];  [2];  [2]
  1. National Renewable Energy Lab. (NREL), Golden, CO (United States); Univ. of Colorado, Boulder, CO (United States)
  2. National Renewable Energy Lab. (NREL), Golden, CO (United States)

Here, dilute bismide semiconductor alloys are a promising material platform for optoelectronic devices due to drastic impacts of bismuth on the electronic structure of the alloy. At the same time, the details of bismuth incorporation in the lattice are not fully understood. In this work, we conduct Raman scattering spectroscopy on GaP1- xBix epilayers grown by molecular beam epitaxy (MBE) and identify several bismuth-related Raman features including gap vibration modes at 296, 303, and 314 cm-1. This study paves the way for more detailed analysis of the local symmetry at bismuth incorporation sites in the dilute bismide alloy regime.

Research Organization:
National Renewable Energy Lab. (NREL), Golden, CO (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Grant/Contract Number:
AC36-08GO28308
OSTI ID:
1329366
Report Number(s):
NREL/JA--5K00-66536
Journal Information:
Japanese Journal of Applied Physics, Journal Name: Japanese Journal of Applied Physics Journal Issue: 10 Vol. 55; ISSN 0021-4922
Publisher:
Japan Society of Applied PhysicsCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (3)

Giant bowing of the band gap and spin-orbit splitting energy in GaP1−xBix dilute bismide alloys journal May 2019
MOVPE growth of GaP/GaPN core–shell nanowires: N incorporation, morphology and crystal structure journal January 2019
Impact of N Incorporation on VLS Growth of GaP(N) Nanowires Utilizing UDMH journal December 2018

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