Influence of low-symmetry component of crystal field on gemstones colors: Cr3+ in ruby and emerald

D. W. Yang; M. G. Brik; A. M. Srivastava; C. G. Ma; M. Piasecki

doi:10.1016/j.jlumin.2020.117061

Influence of low-symmetry component of crystal field on gemstones colors: Cr³⁺ in ruby and emerald

D. W. Yang
, M. G. Brik^*
, A. M. Srivastava
, C. G. Ma
, M. Piasecki

^*Corresponding author for this work

Chongqing University of Posts and Telecommunications
University of Tartu
Jan Dlugosz University in Czestochowa
General Electric

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

12 Citations (Scopus)

Abstract

The origin of difference in the colors of two gemstones – red ruby Al₂O₃:Cr³⁺ and green emerald Be₃Al₂(SiO₃)₆: Cr³⁺ is explained by analyzing the crystal field effects. It is shown that the stronger crystal field in ruby and the significantly greater low-symmetry component of crystal field in emerald are the main sources of the observed color difference. Calculated energy levels of the Cr³⁺ ions in both materials agree well with the experimental results.

Original language	English
Article number	117061
Journal	Journal of Luminescence
Volume	221
DOIs	https://doi.org/10.1016/j.jlumin.2020.117061
Publication status	Published - May 2020
Externally published	Yes

Keywords

Absorption and luminescence
Cr spectra
Crystal field

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10.1016/j.jlumin.2020.117061

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title = "Influence of low-symmetry component of crystal field on gemstones colors: Cr3+ in ruby and emerald",

abstract = "The origin of difference in the colors of two gemstones – red ruby Al2O3:Cr3+ and green emerald Be3Al2(SiO3)6: Cr3+ is explained by analyzing the crystal field effects. It is shown that the stronger crystal field in ruby and the significantly greater low-symmetry component of crystal field in emerald are the main sources of the observed color difference. Calculated energy levels of the Cr3+ ions in both materials agree well with the experimental results.",

keywords = "Absorption and luminescence, Cr spectra, Crystal field",

author = "Yang, \{D. W.\} and Brik, \{M. G.\} and Srivastava, \{A. M.\} and Ma, \{C. G.\} and M. Piasecki",

note = "Publisher Copyright: {\textcopyright} 2020 Elsevier B.V.",

year = "2020",

month = may,

doi = "10.1016/j.jlumin.2020.117061",

language = "English",

volume = "221",

journal = "Journal of Luminescence",

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TY - JOUR

T1 - Influence of low-symmetry component of crystal field on gemstones colors

T2 - Cr3+ in ruby and emerald

AU - Yang, D. W.

AU - Brik, M. G.

AU - Srivastava, A. M.

AU - Ma, C. G.

AU - Piasecki, M.

PY - 2020/5

Y1 - 2020/5

N2 - The origin of difference in the colors of two gemstones – red ruby Al2O3:Cr3+ and green emerald Be3Al2(SiO3)6: Cr3+ is explained by analyzing the crystal field effects. It is shown that the stronger crystal field in ruby and the significantly greater low-symmetry component of crystal field in emerald are the main sources of the observed color difference. Calculated energy levels of the Cr3+ ions in both materials agree well with the experimental results.

AB - The origin of difference in the colors of two gemstones – red ruby Al2O3:Cr3+ and green emerald Be3Al2(SiO3)6: Cr3+ is explained by analyzing the crystal field effects. It is shown that the stronger crystal field in ruby and the significantly greater low-symmetry component of crystal field in emerald are the main sources of the observed color difference. Calculated energy levels of the Cr3+ ions in both materials agree well with the experimental results.

KW - Absorption and luminescence

KW - Cr spectra

KW - Crystal field

UR - https://www.scopus.com/pages/publications/85078185632

U2 - 10.1016/j.jlumin.2020.117061

DO - 10.1016/j.jlumin.2020.117061

M3 - Article

AN - SCOPUS:85078185632

SN - 0022-2313

VL - 221

JO - Journal of Luminescence

JF - Journal of Luminescence

M1 - 117061

ER -

Influence of low-symmetry component of crystal field on gemstones colors: Cr³⁺ in ruby and emerald

Abstract

Keywords

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