Antisite defects in LiCoPO4 nanocrystals synthesized via a supercritical fluid process

Murukanahally Kempaiah Devaraju; Quang Duc Truong; Takaaki Tomai; Hiroshi Hyodo; Yoshikazu Sasaki; Itaru Honma

doi:10.1039/c4ra10689j

Antisite defects in LiCoPO₄ nanocrystals synthesized via a supercritical fluid process

Murukanahally Kempaiah Devaraju, Quang Duc Truong, Takaaki Tomai, Hiroshi Hyodo, Yoshikazu Sasaki, Itaru Honma

Division of Process and System Engineering

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

LiCoPO₄ nanocrystals are synthesized via a supercritical fluid process at 380 °C for 1 h and we visualize Li/Co antisite defects along two crystallographic directions using annular dark and bright field scanning transmission electron microscopy (STEM). The antisite defects are observed with bright/dark contrast produced by Co atoms in Li columns in both HAADF (high angle annular dark field) and ABF (annular bright field) images viewed along [010] directions. Interestingly, few antisite defects are observed along [101] directions with weak contrast and P atoms are observed near to Co atoms.

Original language	English
Pages (from-to)	52410-52414
Number of pages	5
Journal	RSC Advances
Volume	4
Issue number	94
DOIs	https://doi.org/10.1039/c4ra10689j
Publication status	Published - 2014 Oct 10

ASJC Scopus subject areas

Chemistry(all)
Chemical Engineering(all)

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abstract = "LiCoPO4 nanocrystals are synthesized via a supercritical fluid process at 380 °C for 1 h and we visualize Li/Co antisite defects along two crystallographic directions using annular dark and bright field scanning transmission electron microscopy (STEM). The antisite defects are observed with bright/dark contrast produced by Co atoms in Li columns in both HAADF (high angle annular dark field) and ABF (annular bright field) images viewed along [010] directions. Interestingly, few antisite defects are observed along [101] directions with weak contrast and P atoms are observed near to Co atoms.",

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AU - Devaraju, Murukanahally Kempaiah

AU - Truong, Quang Duc

AU - Tomai, Takaaki

AU - Hyodo, Hiroshi

AU - Sasaki, Yoshikazu

AU - Honma, Itaru

PY - 2014/10/10

Y1 - 2014/10/10

N2 - LiCoPO4 nanocrystals are synthesized via a supercritical fluid process at 380 °C for 1 h and we visualize Li/Co antisite defects along two crystallographic directions using annular dark and bright field scanning transmission electron microscopy (STEM). The antisite defects are observed with bright/dark contrast produced by Co atoms in Li columns in both HAADF (high angle annular dark field) and ABF (annular bright field) images viewed along [010] directions. Interestingly, few antisite defects are observed along [101] directions with weak contrast and P atoms are observed near to Co atoms.

AB - LiCoPO4 nanocrystals are synthesized via a supercritical fluid process at 380 °C for 1 h and we visualize Li/Co antisite defects along two crystallographic directions using annular dark and bright field scanning transmission electron microscopy (STEM). The antisite defects are observed with bright/dark contrast produced by Co atoms in Li columns in both HAADF (high angle annular dark field) and ABF (annular bright field) images viewed along [010] directions. Interestingly, few antisite defects are observed along [101] directions with weak contrast and P atoms are observed near to Co atoms.

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Antisite defects in LiCoPO₄ nanocrystals synthesized via a supercritical fluid process

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