Short-range order in Li–Al tourmalines: IR spectroscopy, X-ray single crystal diffraction analysis and a bond valence theory approach

Yuliya Bronzova, Miriam Babushkina, Olga Frank-Kamenetskaya, Oleg Vereshchagin, Ira Rozhdestvenskaya, Anatoly Zolotarev

Результат исследований: Научные публикации в периодических изданияхстатья

Выдержка

The short-range order in Li–Al–(OH, F) tourmalines with Y[Li/Al] ≈ 1 and different Na/Ca ratio was investigated by means of bond valence theory, experimental IR spectroscopic data and the results of X-ray single crystal diffraction. The stability of the arrangements coordinating W- and V-crystallographic sites occupied by OH, F and O2− ions was refined. A unified model of assignment of absorption bands in the IR spectra to the local arrangements (clusters) was suggested taking into account the first and the second OHcoordination spheres. The types of local cation arrangements around the W- and V-anion sites, alongside with clusters ratio and their distribution were brought out. The short-range order in Li–Al tourmalines controlled not only by local restrictions of the bond valence theory, but also by the long-range order was described.

Язык оригиналаанглийский
Страницы (с-по)815-825
Число страниц11
ЖурналPhysics and Chemistry of Minerals
Том46
Номер выпуска9
Ранняя дата в режиме онлайн12 июн 2019
DOI
СостояниеОпубликовано - 1 окт 2019

Отпечаток

tourmaline
X-ray spectroscopy
Anions
Cations
Absorption spectra
Infrared spectroscopy
Negative ions
Diffraction
Positive ions
Single crystals
Ions
X rays
diffraction
anion
cation
crystal
ion
analysis
distribution

Предметные области Scopus

  • Материаловедение (все)
  • Геохимия и петрология

Цитировать

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abstract = "The short-range order in Li–Al–(OH−, F−) tourmalines with Y[Li/Al] ≈ 1 and different Na/Ca ratio was investigated by means of bond valence theory, experimental IR spectroscopic data and the results of X-ray single crystal diffraction. The stability of the arrangements coordinating W- and V-crystallographic sites occupied by OH−, F− and O2− ions was refined. A unified model of assignment of absorption bands in the IR spectra to the local arrangements (clusters) was suggested taking into account the first and the second OH−coordination spheres. The types of local cation arrangements around the W- and V-anion sites, alongside with clusters ratio and their distribution were brought out. The short-range order in Li–Al tourmalines controlled not only by local restrictions of the bond valence theory, but also by the long-range order was described.",
keywords = "Bond valence theory, Infrared spectroscopy, Li–Al tourmaline, Short-range ordering, X-ray single crystal diffraction",
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Short-range order in Li–Al tourmalines : IR spectroscopy, X-ray single crystal diffraction analysis and a bond valence theory approach. / Bronzova, Yuliya; Babushkina, Miriam; Frank-Kamenetskaya, Olga; Vereshchagin, Oleg; Rozhdestvenskaya, Ira; Zolotarev, Anatoly.

В: Physics and Chemistry of Minerals, Том 46, № 9, 01.10.2019, стр. 815-825.

Результат исследований: Научные публикации в периодических изданияхстатья

TY - JOUR

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AU - Bronzova, Yuliya

AU - Babushkina, Miriam

AU - Frank-Kamenetskaya, Olga

AU - Vereshchagin, Oleg

AU - Rozhdestvenskaya, Ira

AU - Zolotarev, Anatoly

PY - 2019/10/1

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KW - Bond valence theory

KW - Infrared spectroscopy

KW - Li–Al tourmaline

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