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Title: Average and local crystal structures of (Ga1–xZnx)(N1–xOx) solid solution nanoparticles

Abstract

We report the comprehensive study of the crystal structure of (Ga1–xZnx)(N1–xOx) solid solution nanoparticles by means of neutron and synchrotron x-ray scattering. In our study we used four different types of (Ga1–xZnx)(N1–xOx) nanoparticles, with diameters of 10–27 nm and x = 0.075–0.51, which show the narrow energy-band gaps from 2.21 to 2.61 eV. The Rietveld analysis of the neutron diffraction data revealed that the average crystal structure is the hexagonal wurtzite (space group P63mc), in agreement with previous reports on similar bulk materials. The pair-distribution function (PDF) analysis of the same data found that the local structure is more disordered than the average one. It is best described by the model with a lower symmetry space group P1, where atoms are quasirandomly distorted from their nominal positions in the hexagonal wurtzite lattice.

Authors:
 [1];  [1];  [2];  [3];  [4]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  2. New Jersey Inst. of Technology, Newark, NJ (United States)
  3. Vanderbilt Univ., Nashville, TN (United States)
  4. Chinese Academy of Sciences (CAS), Ningbo (China)
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1225425
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Inorganic Chemistry
Additional Journal Information:
Journal Name: Inorganic Chemistry; Journal ID: ISSN 0020-1669
Publisher:
American Chemical Society (ACS)
Country of Publication:
United States
Language:
English
Subject:
77 NANOSCIENCE AND NANOTECHNOLOGY

Citation Formats

Feygenson, Mikhail, Neuefeind, Joerg C., Tyson, Trevor A., Schieber, Natalie, and Han, Wei -Qiang. Average and local crystal structures of (Ga1–xZnx)(N1–xOx) solid solution nanoparticles. United States: N. p., 2015. Web. doi:10.1021/acs.inorgchem.5b01605.
Feygenson, Mikhail, Neuefeind, Joerg C., Tyson, Trevor A., Schieber, Natalie, & Han, Wei -Qiang. Average and local crystal structures of (Ga1–xZnx)(N1–xOx) solid solution nanoparticles. United States. https://doi.org/10.1021/acs.inorgchem.5b01605
Feygenson, Mikhail, Neuefeind, Joerg C., Tyson, Trevor A., Schieber, Natalie, and Han, Wei -Qiang. 2015. "Average and local crystal structures of (Ga1–xZnx)(N1–xOx) solid solution nanoparticles". United States. https://doi.org/10.1021/acs.inorgchem.5b01605. https://www.osti.gov/servlets/purl/1225425.
@article{osti_1225425,
title = {Average and local crystal structures of (Ga1–xZnx)(N1–xOx) solid solution nanoparticles},
author = {Feygenson, Mikhail and Neuefeind, Joerg C. and Tyson, Trevor A. and Schieber, Natalie and Han, Wei -Qiang},
abstractNote = {We report the comprehensive study of the crystal structure of (Ga1–xZnx)(N1–xOx) solid solution nanoparticles by means of neutron and synchrotron x-ray scattering. In our study we used four different types of (Ga1–xZnx)(N1–xOx) nanoparticles, with diameters of 10–27 nm and x = 0.075–0.51, which show the narrow energy-band gaps from 2.21 to 2.61 eV. The Rietveld analysis of the neutron diffraction data revealed that the average crystal structure is the hexagonal wurtzite (space group P63mc), in agreement with previous reports on similar bulk materials. The pair-distribution function (PDF) analysis of the same data found that the local structure is more disordered than the average one. It is best described by the model with a lower symmetry space group P1, where atoms are quasirandomly distorted from their nominal positions in the hexagonal wurtzite lattice.},
doi = {10.1021/acs.inorgchem.5b01605},
url = {https://www.osti.gov/biblio/1225425}, journal = {Inorganic Chemistry},
issn = {0020-1669},
number = ,
volume = ,
place = {United States},
year = {Fri Nov 06 00:00:00 EST 2015},
month = {Fri Nov 06 00:00:00 EST 2015}
}

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Cited by: 14 works
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Works referencing / citing this record: