Powder X-Ray Diffraction Data on Polymorphism of RbBSi2O6 and Crystal Structure of Its High-Temperature Modification

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Powder X-Ray Diffraction Data on Polymorphism of RbBSi₂O₆ and Crystal Structure of Its High-Temperature Modification. / Krzhizhanovskaya, M. G.; Bubnova, R. S.; Filatov, S. K.

In: Journal of Structural Chemistry, Vol. 59, No. 8, 01.12.2018, p. 1995-2000.

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

BibTeX

@article{18f719f2b3a54cec959e0ff018e65640,

title = "Powder X-Ray Diffraction Data on Polymorphism of RbBSi2O6 and Crystal Structure of Its High-Temperature Modification",

abstract = "Structural deformations and phase transformations of Rb-boroleucite RbBSi2O6 obtained by crystallization from glass at 1000 °C are studied by high-temperature X-ray powder diffraction and differential scanning calorimetry in the range 25–1200 °C. At 345 °C the compound undergoes a reversible cubic-cubic polymorphic transition with increasing symmetry I4 ¯ 3 d↔ Ia3 ¯ d. The crystal structure of RbBSi2O6 is refined by the Rietveld method at temperatures of 25 °C, 100 °C, 200 °C, 300 °C, 310 °C, 320 °C, 330 °C, 340 °C, 350 °C, 360 °C, 380 °C, 400 °C, 500 °C, 600 °C, 700 °C, 800 °C, and 900 °C, according to the powder X-ray diffraction data.",

keywords = "borosilicates, leucite, polymorphism, powder X-ray diffraction, thermal behavior",

author = "Krzhizhanovskaya, {M. G.} and Bubnova, {R. S.} and Filatov, {S. K.}",

year = "2018",

month = dec,

day = "1",

doi = "10.1134/S0022476618080322",

language = "English",

volume = "59",

pages = "1995--2000",

journal = "Journal of Structural Chemistry",

issn = "0022-4766",

publisher = "Springer Nature",

number = "8",

}

RIS

TY - JOUR

T1 - Powder X-Ray Diffraction Data on Polymorphism of RbBSi2O6 and Crystal Structure of Its High-Temperature Modification

AU - Krzhizhanovskaya, M. G.

AU - Bubnova, R. S.

AU - Filatov, S. K.

PY - 2018/12/1

Y1 - 2018/12/1

N2 - Structural deformations and phase transformations of Rb-boroleucite RbBSi2O6 obtained by crystallization from glass at 1000 °C are studied by high-temperature X-ray powder diffraction and differential scanning calorimetry in the range 25–1200 °C. At 345 °C the compound undergoes a reversible cubic-cubic polymorphic transition with increasing symmetry I4 ¯ 3 d↔ Ia3 ¯ d. The crystal structure of RbBSi2O6 is refined by the Rietveld method at temperatures of 25 °C, 100 °C, 200 °C, 300 °C, 310 °C, 320 °C, 330 °C, 340 °C, 350 °C, 360 °C, 380 °C, 400 °C, 500 °C, 600 °C, 700 °C, 800 °C, and 900 °C, according to the powder X-ray diffraction data.

AB - Structural deformations and phase transformations of Rb-boroleucite RbBSi2O6 obtained by crystallization from glass at 1000 °C are studied by high-temperature X-ray powder diffraction and differential scanning calorimetry in the range 25–1200 °C. At 345 °C the compound undergoes a reversible cubic-cubic polymorphic transition with increasing symmetry I4 ¯ 3 d↔ Ia3 ¯ d. The crystal structure of RbBSi2O6 is refined by the Rietveld method at temperatures of 25 °C, 100 °C, 200 °C, 300 °C, 310 °C, 320 °C, 330 °C, 340 °C, 350 °C, 360 °C, 380 °C, 400 °C, 500 °C, 600 °C, 700 °C, 800 °C, and 900 °C, according to the powder X-ray diffraction data.

KW - borosilicates

KW - leucite

KW - polymorphism

KW - powder X-ray diffraction

KW - thermal behavior

UR - http://www.scopus.com/inward/record.url?scp=85059733852&partnerID=8YFLogxK

U2 - 10.1134/S0022476618080322

DO - 10.1134/S0022476618080322

M3 - Article

AN - SCOPUS:85059733852

VL - 59

SP - 1995

EP - 2000

JO - Journal of Structural Chemistry

JF - Journal of Structural Chemistry

SN - 0022-4766

IS - 8

ER -

ID: 39021935