High pressure behaviour of titanium oxide

Leif Gerward; J.S. Olsen

doi:10.4028/www.scientific.net/msf.228-231.383

High pressure behaviour of titanium oxide

Leif Gerward
, J.S. Olsen

Department of Physics

University of Copenhagen

Research output: Contribution to journal › Journal article › Research › peer-review

Abstract

We have investigated the polymorphism of rutile (TiO₂) under hydrostatic pressures up to 60 GPa and at room temperature. At 15 GPa TiO₂ transforms to a post-rutile phase of low symmetry, possibly with a monoclinic crystal structure. Upon release of pressure, the sample transforms once more to orthorhombic TiO2-II. The bulk modulus of rutile and its pressure derivative have been determined as 215 GPa and 10, respectively.

Original language	English
Journal	Materials Science Forum
Volume	228-231
Issue number	PART 1
Pages (from-to)	383-386
ISSN	0255-5476
DOIs	https://doi.org/10.4028/www.scientific.net/msf.228-231.383
Publication status	Published - 1996

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abstract = "We have investigated the polymorphism of rutile (TiO2) under hydrostatic pressures up to 60 GPa and at room temperature. At 15 GPa TiO2 transforms to a post-rutile phase of low symmetry, possibly with a monoclinic crystal structure. Upon release of pressure, the sample transforms once more to orthorhombic TiO2-II. The bulk modulus of rutile and its pressure derivative have been determined as 215 GPa and 10, respectively.",

author = "Leif Gerward and J.S. Olsen",

year = "1996",

doi = "10.4028/www.scientific.net/msf.228-231.383",

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AU - Gerward, Leif

AU - Olsen, J.S.

PY - 1996

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N2 - We have investigated the polymorphism of rutile (TiO2) under hydrostatic pressures up to 60 GPa and at room temperature. At 15 GPa TiO2 transforms to a post-rutile phase of low symmetry, possibly with a monoclinic crystal structure. Upon release of pressure, the sample transforms once more to orthorhombic TiO2-II. The bulk modulus of rutile and its pressure derivative have been determined as 215 GPa and 10, respectively.

AB - We have investigated the polymorphism of rutile (TiO2) under hydrostatic pressures up to 60 GPa and at room temperature. At 15 GPa TiO2 transforms to a post-rutile phase of low symmetry, possibly with a monoclinic crystal structure. Upon release of pressure, the sample transforms once more to orthorhombic TiO2-II. The bulk modulus of rutile and its pressure derivative have been determined as 215 GPa and 10, respectively.

U2 - 10.4028/www.scientific.net/msf.228-231.383

DO - 10.4028/www.scientific.net/msf.228-231.383

M3 - Journal article

SN - 0255-5476

VL - 228-231

SP - 383

EP - 386

JO - Materials Science Forum

JF - Materials Science Forum

IS - PART 1

ER -

High pressure behaviour of titanium oxide

Abstract

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