Strong phonon softening in the BCC phase of titanium

W. Petry; A. Heiming; J. Trampenau; M. Alba; G. Vogl

doi:10.1016/0921-4526(89)90585-1

Strong phonon softening in the BCC phase of titanium

W. Petry
, A. Heiming
, J. Trampenau
, M. Alba
, G. Vogl

Institut Laue-Langevin
Vienna-UNI

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

13 Scopus citations

Abstract

At T = 1020°C the dispersion curve of β-Ti shows two anomalies. i) As precursor of the martensitic phase transition at 882°C the transverse T₁ [ξξ0] phonon with <110 polarisation is soft. ii) At q = 2 3 [111], the so-called ω-point, phonon intensity reaches down to zero energy transfer.

Original language	English
Pages (from-to)	56-58
Number of pages	3
Journal	Physica B: Condensed Matter
Volume	156-157
Issue number	C
DOIs	https://doi.org/10.1016/0921-4526(89)90585-1
State	Published - 1989
Externally published	Yes

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title = "Strong phonon softening in the BCC phase of titanium",

abstract = "At T = 1020°C the dispersion curve of β-Ti shows two anomalies. i) As precursor of the martensitic phase transition at 882°C the transverse T1 [ξξ0] phonon with <110 polarisation is soft. ii) At q = 2 3 [111], the so-called ω-point, phonon intensity reaches down to zero energy transfer.",

author = "W. Petry and A. Heiming and J. Trampenau and M. Alba and G. Vogl",

note = "Funding Information: Discussionsw ith B. Dorner and financial support by Bundesministeriumf ur Forschung und Technologie, Germany, project Nr. 03-STlSPH-3, are gratefully acknowledged.",

year = "1989",

doi = "10.1016/0921-4526(89)90585-1",

language = "English",

volume = "156-157",

pages = "56--58",

journal = "Physica B: Condensed Matter",

issn = "0921-4526",

publisher = "Elsevier B.V.",

number = "C",

}

TY - JOUR

T1 - Strong phonon softening in the BCC phase of titanium

AU - Petry, W.

AU - Heiming, A.

AU - Trampenau, J.

AU - Alba, M.

AU - Vogl, G.

N1 - Funding Information: Discussionsw ith B. Dorner and financial support by Bundesministeriumf ur Forschung und Technologie, Germany, project Nr. 03-STlSPH-3, are gratefully acknowledged.

PY - 1989

Y1 - 1989

N2 - At T = 1020°C the dispersion curve of β-Ti shows two anomalies. i) As precursor of the martensitic phase transition at 882°C the transverse T1 [ξξ0] phonon with <110 polarisation is soft. ii) At q = 2 3 [111], the so-called ω-point, phonon intensity reaches down to zero energy transfer.

AB - At T = 1020°C the dispersion curve of β-Ti shows two anomalies. i) As precursor of the martensitic phase transition at 882°C the transverse T1 [ξξ0] phonon with <110 polarisation is soft. ii) At q = 2 3 [111], the so-called ω-point, phonon intensity reaches down to zero energy transfer.

UR - https://www.scopus.com/pages/publications/0024301140

U2 - 10.1016/0921-4526(89)90585-1

DO - 10.1016/0921-4526(89)90585-1

M3 - Article

AN - SCOPUS:0024301140

SN - 0921-4526

VL - 156-157

SP - 56

EP - 58

JO - Physica B: Condensed Matter

JF - Physica B: Condensed Matter

IS - C

ER -

Strong phonon softening in the BCC phase of titanium

Abstract

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