Atomic-scale distortion of optically activated Sm dopants identified with site-selective X-ray absorption spectroscopy

Masashi Ishii; Iain F. Crowe; Matthew P. Halsall; Bruce Hamilton; Yongfeng Hu; Tsun Kong Sham; Susumu Harako; Xin Wei Zhao; Shuji Komuro

doi:10.1063/1.4824375

Atomic-scale distortion of optically activated Sm dopants identified with site-selective X-ray absorption spectroscopy

Masashi Ishii, Iain F. Crowe, Matthew P. Halsall, Bruce Hamilton, Yongfeng Hu, Tsun Kong Sham, Susumu Harako, Xin Wei Zhao, Shuji Komuro

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

Abstract

The local structure of luminescent Sm dopants was investigated using an X-ray absorption fine-structure technique with X-ray-excited optical luminescence. Because this technique evaluates X-ray absorption from luminescence, only optically active sites are analyzed. The Sm L3 near-edge spectrum contains split 5d states and a shake-up transition that are specific to luminescent Sm. Theoretical calculations using cluster models identified an atomic-scale distortion that can reproduce the split 5d states. The model with C4v local symmetry and compressive bond length of Sm-O of a six-fold oxygen (SmO6) cluster is most consistent with the experimental results. © 2013 AIP Publishing LLC.

Original language	English
Article number	133505
Journal	Journal of Applied Physics
Volume	114
Issue number	13
DOIs	https://doi.org/10.1063/1.4824375
Publication status	Published - 2013

Access to Document

10.1063/1.4824375

http://www.scopus.com/inward/record.url?eid=2-s2.0-84885452933&partnerID=40&md5=83cc2a2084e6e3e549c43bc9fb435a6b

Cite this

@article{04854b0c75f94b218a30ffd2dff58a29,

title = "Atomic-scale distortion of optically activated Sm dopants identified with site-selective X-ray absorption spectroscopy",

abstract = "The local structure of luminescent Sm dopants was investigated using an X-ray absorption fine-structure technique with X-ray-excited optical luminescence. Because this technique evaluates X-ray absorption from luminescence, only optically active sites are analyzed. The Sm L3 near-edge spectrum contains split 5d states and a shake-up transition that are specific to luminescent Sm. Theoretical calculations using cluster models identified an atomic-scale distortion that can reproduce the split 5d states. The model with C4v local symmetry and compressive bond length of Sm-O of a six-fold oxygen (SmO6) cluster is most consistent with the experimental results. {\textcopyright} 2013 AIP Publishing LLC.",

author = "Masashi Ishii and Crowe, {Iain F.} and Halsall, {Matthew P.} and Bruce Hamilton and Yongfeng Hu and Sham, {Tsun Kong} and Susumu Harako and Zhao, {Xin Wei} and Shuji Komuro",

note = "cited By (since 1996)0",

year = "2013",

doi = "10.1063/1.4824375",

language = "English",

volume = "114",

journal = "Journal of Applied Physics",

issn = "1089-7550",

publisher = "American Institute of Physics",

number = "13",

}

TY - JOUR

T1 - Atomic-scale distortion of optically activated Sm dopants identified with site-selective X-ray absorption spectroscopy

AU - Ishii, Masashi

AU - Crowe, Iain F.

AU - Halsall, Matthew P.

AU - Hamilton, Bruce

AU - Hu, Yongfeng

AU - Sham, Tsun Kong

AU - Harako, Susumu

AU - Zhao, Xin Wei

AU - Komuro, Shuji

N1 - cited By (since 1996)0

PY - 2013

Y1 - 2013

N2 - The local structure of luminescent Sm dopants was investigated using an X-ray absorption fine-structure technique with X-ray-excited optical luminescence. Because this technique evaluates X-ray absorption from luminescence, only optically active sites are analyzed. The Sm L3 near-edge spectrum contains split 5d states and a shake-up transition that are specific to luminescent Sm. Theoretical calculations using cluster models identified an atomic-scale distortion that can reproduce the split 5d states. The model with C4v local symmetry and compressive bond length of Sm-O of a six-fold oxygen (SmO6) cluster is most consistent with the experimental results. © 2013 AIP Publishing LLC.

AB - The local structure of luminescent Sm dopants was investigated using an X-ray absorption fine-structure technique with X-ray-excited optical luminescence. Because this technique evaluates X-ray absorption from luminescence, only optically active sites are analyzed. The Sm L3 near-edge spectrum contains split 5d states and a shake-up transition that are specific to luminescent Sm. Theoretical calculations using cluster models identified an atomic-scale distortion that can reproduce the split 5d states. The model with C4v local symmetry and compressive bond length of Sm-O of a six-fold oxygen (SmO6) cluster is most consistent with the experimental results. © 2013 AIP Publishing LLC.

U2 - 10.1063/1.4824375

DO - 10.1063/1.4824375

M3 - Article

SN - 1089-7550

VL - 114

JO - Journal of Applied Physics

JF - Journal of Applied Physics

IS - 13

M1 - 133505

ER -

Atomic-scale distortion of optically activated Sm dopants identified with site-selective X-ray absorption spectroscopy

Abstract

Access to Document

Fingerprint

Cite this