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Birefringence of the new fluoride borates Ba2Na3[B3O6]2F and Ba7(BO3)4−yF2+3y in the Na, Ba, B//O, F quaternary reciprocal system. / Bekker, T. B.; Vedenyapin, V. N.; Khamoyan, A. G.

In: Materials Research Bulletin, Vol. 91, 01.07.2017, p. 54-58.

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

Harvard

Bekker, TB, Vedenyapin, VN & Khamoyan, AG 2017, 'Birefringence of the new fluoride borates Ba2Na3[B3O6]2F and Ba7(BO3)4−yF2+3y in the Na, Ba, B//O, F quaternary reciprocal system', Materials Research Bulletin, vol. 91, pp. 54-58. https://doi.org/10.1016/j.materresbull.2017.03.024

APA

Bekker, T. B., Vedenyapin, V. N., & Khamoyan, A. G. (2017). Birefringence of the new fluoride borates Ba2Na3[B3O6]2F and Ba7(BO3)4−yF2+3y in the Na, Ba, B//O, F quaternary reciprocal system. Materials Research Bulletin, 91, 54-58. https://doi.org/10.1016/j.materresbull.2017.03.024

Vancouver

Bekker TB, Vedenyapin VN, Khamoyan AG. Birefringence of the new fluoride borates Ba2Na3[B3O6]2F and Ba7(BO3)4−yF2+3y in the Na, Ba, B//O, F quaternary reciprocal system. Materials Research Bulletin. 2017 Jul 1;91:54-58. doi: 10.1016/j.materresbull.2017.03.024

Author

Bekker, T. B. ; Vedenyapin, V. N. ; Khamoyan, A. G. / Birefringence of the new fluoride borates Ba2Na3[B3O6]2F and Ba7(BO3)4−yF2+3y in the Na, Ba, B//O, F quaternary reciprocal system. In: Materials Research Bulletin. 2017 ; Vol. 91. pp. 54-58.

BibTeX

@article{f1acd750edd14b4bb86f6fb8b0643fae,
title = "Birefringence of the new fluoride borates Ba2Na3[B3O6]2F and Ba7(BO3)4−yF2+3y in the Na, Ba, B//O, F quaternary reciprocal system",
abstract = "The birefringence of the new Ba2Na3[B3O6]2F (BNBF) (P63/m) and Ba7(BO3)4−yF2+3y (P63) phases has been investigated. Coefficients of the Sellmeier equations have been determined. Parallel [B3O6]3− rings in the Ba2Na3[B3O6]2F structure generate the major anisotropic polarizabilities and produce large birefringence Δn = 0.1097 − 0.0428 from 350 nm to 5 μm, comparable to that of commercial birefringent crystal α-BaB2O4. A new flux for growing a high quality BNBF crystal has been proposed. In the measured wavelength range from 266 nm to 1.7 μm noncentrosymmetric phase Ba7(BO3)4−yF2+3y (y = 0.49) exhibits low birefringence Δn = 0.0111 − 0.0037 which can be accounted for non-coplanar arrangement of the anionic groups in the structure. Low birefringence prevents the use of this crystal for nonlinear optical applications, since phase-matching conditions for second harmonic generation can not be reached.",
keywords = "Barium-sodium fluoride borates, Birefringence, Crystal growth from high-temperature solution, SINGLE-CRYSTALS, Crystal growth from high-temperature, solution, BARIUM METABORATE, GROWTH, BAB2O4-NAF SYSTEM",
author = "Bekker, {T. B.} and Vedenyapin, {V. N.} and Khamoyan, {A. G.}",
note = "Publisher Copyright: {\textcopyright} 2017 Elsevier Ltd",
year = "2017",
month = jul,
day = "1",
doi = "10.1016/j.materresbull.2017.03.024",
language = "English",
volume = "91",
pages = "54--58",
journal = "Materials Research Bulletin",
issn = "0025-5408",
publisher = "Elsevier Ltd",

}

RIS

TY - JOUR

T1 - Birefringence of the new fluoride borates Ba2Na3[B3O6]2F and Ba7(BO3)4−yF2+3y in the Na, Ba, B//O, F quaternary reciprocal system

AU - Bekker, T. B.

AU - Vedenyapin, V. N.

AU - Khamoyan, A. G.

N1 - Publisher Copyright: © 2017 Elsevier Ltd

PY - 2017/7/1

Y1 - 2017/7/1

N2 - The birefringence of the new Ba2Na3[B3O6]2F (BNBF) (P63/m) and Ba7(BO3)4−yF2+3y (P63) phases has been investigated. Coefficients of the Sellmeier equations have been determined. Parallel [B3O6]3− rings in the Ba2Na3[B3O6]2F structure generate the major anisotropic polarizabilities and produce large birefringence Δn = 0.1097 − 0.0428 from 350 nm to 5 μm, comparable to that of commercial birefringent crystal α-BaB2O4. A new flux for growing a high quality BNBF crystal has been proposed. In the measured wavelength range from 266 nm to 1.7 μm noncentrosymmetric phase Ba7(BO3)4−yF2+3y (y = 0.49) exhibits low birefringence Δn = 0.0111 − 0.0037 which can be accounted for non-coplanar arrangement of the anionic groups in the structure. Low birefringence prevents the use of this crystal for nonlinear optical applications, since phase-matching conditions for second harmonic generation can not be reached.

AB - The birefringence of the new Ba2Na3[B3O6]2F (BNBF) (P63/m) and Ba7(BO3)4−yF2+3y (P63) phases has been investigated. Coefficients of the Sellmeier equations have been determined. Parallel [B3O6]3− rings in the Ba2Na3[B3O6]2F structure generate the major anisotropic polarizabilities and produce large birefringence Δn = 0.1097 − 0.0428 from 350 nm to 5 μm, comparable to that of commercial birefringent crystal α-BaB2O4. A new flux for growing a high quality BNBF crystal has been proposed. In the measured wavelength range from 266 nm to 1.7 μm noncentrosymmetric phase Ba7(BO3)4−yF2+3y (y = 0.49) exhibits low birefringence Δn = 0.0111 − 0.0037 which can be accounted for non-coplanar arrangement of the anionic groups in the structure. Low birefringence prevents the use of this crystal for nonlinear optical applications, since phase-matching conditions for second harmonic generation can not be reached.

KW - Barium-sodium fluoride borates

KW - Birefringence

KW - Crystal growth from high-temperature solution

KW - SINGLE-CRYSTALS

KW - Crystal growth from high-temperature

KW - solution

KW - BARIUM METABORATE

KW - GROWTH

KW - BAB2O4-NAF SYSTEM

UR - http://www.scopus.com/inward/record.url?scp=85016154768&partnerID=8YFLogxK

U2 - 10.1016/j.materresbull.2017.03.024

DO - 10.1016/j.materresbull.2017.03.024

M3 - Article

AN - SCOPUS:85016154768

VL - 91

SP - 54

EP - 58

JO - Materials Research Bulletin

JF - Materials Research Bulletin

SN - 0025-5408

ER -

ID: 10265869