Softer region at boundary of supercooled liquid - Crystal in glassy fresnoite

Yoshihiro Takahashi; Minoru Osada; Hirokazu Masai; Takumi Fujiwara

doi:10.1063/1.3156025

Softer region at boundary of supercooled liquid - Crystal in glassy fresnoite

Yoshihiro Takahashi^*, Minoru Osada, Hirokazu Masai, Takumi Fujiwara

^*Corresponding author for this work

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

14 Citations (Scopus)

Abstract

The transition between the supercooled liquid (SCL) and crystal phases was investigated by in situ observation of boson peak in a glassy fresnoite (Ba2 TiSi2 O8) with an extremely high nucleation ability. The glassy fresnoite revealed anomalous boson behavior, in that the boson peak's full width at half maximum diverged at T/ Tg ∼1.2. This behavior suggests that an elastically softer region exists at the interface of the fresnoite nucleus/crystallite in the SCL state.

Original language	English
Article number	241909
Journal	Applied Physics Letters
Volume	94
Issue number	24
DOIs	https://doi.org/10.1063/1.3156025
Publication status	Published - 2009
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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abstract = "The transition between the supercooled liquid (SCL) and crystal phases was investigated by in situ observation of boson peak in a glassy fresnoite (Ba2 TiSi2 O8) with an extremely high nucleation ability. The glassy fresnoite revealed anomalous boson behavior, in that the boson peak's full width at half maximum diverged at T/ Tg ∼1.2. This behavior suggests that an elastically softer region exists at the interface of the fresnoite nucleus/crystallite in the SCL state.",

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AU - Takahashi, Yoshihiro

AU - Osada, Minoru

AU - Masai, Hirokazu

AU - Fujiwara, Takumi

PY - 2009

Y1 - 2009

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AB - The transition between the supercooled liquid (SCL) and crystal phases was investigated by in situ observation of boson peak in a glassy fresnoite (Ba2 TiSi2 O8) with an extremely high nucleation ability. The glassy fresnoite revealed anomalous boson behavior, in that the boson peak's full width at half maximum diverged at T/ Tg ∼1.2. This behavior suggests that an elastically softer region exists at the interface of the fresnoite nucleus/crystallite in the SCL state.

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ER -

Softer region at boundary of supercooled liquid - Crystal in glassy fresnoite

Abstract

ASJC Scopus subject areas

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