Growth process of carbyne crystals by synchrotron irradiation

Yuki Kimura; Chihiro Kaito; Katsumi Hanamoto; Muneo Sasaki; Seiji Kimura; Toshitaka Nakada; Yoshio Saito; Yasuyuki Nakayama

doi:10.1016/S0008-6223(01)00242-1

Growth process of carbyne crystals by synchrotron irradiation

Yuki Kimura, Chihiro Kaito, Katsumi Hanamoto, Muneo Sasaki, Seiji Kimura, Toshitaka Nakada, Yoshio Saito, Yasuyuki Nakayama

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

14 Citations (Scopus)

Abstract

Growth of small carbyne crystals in a thin amorphous carbon film has been observed by high-resolution transmission electron microscopy (HRTEM). The as-deposited film was composed of diamond and graphite crystallites of size 1 nm. Circular α-phase carbyne crystals predominantly grew to 20 nm in size and transformed into (α+β)-phase crystals with an elongated shape of 100 nm in length. The typical correlation during the transformation is (220_α//(301)_α+β. The c-axes of both grown crystals were oblique to the direction of the electron beam. The growth process of carbyne crystals will be discussed in terms of selective excitation of graphite crystallites by an SR beam.

Original language	English
Pages (from-to)	1043-1050
Number of pages	8
Journal	Carbon
Volume	40
Issue number	7
DOIs	https://doi.org/10.1016/S0008-6223(01)00242-1
Publication status	Published - Jun 1 2002
Externally published	Yes

Keywords

A. Carbyne, Diamond, Graphite
C. Transmission electron microscopy
D. Radiation damage

ASJC Scopus subject areas

Chemistry(all)
Materials Science(all)

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10.1016/S0008-6223(01)00242-1

Cite this

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title = "Growth process of carbyne crystals by synchrotron irradiation",

abstract = "Growth of small carbyne crystals in a thin amorphous carbon film has been observed by high-resolution transmission electron microscopy (HRTEM). The as-deposited film was composed of diamond and graphite crystallites of size 1 nm. Circular α-phase carbyne crystals predominantly grew to 20 nm in size and transformed into (α+β)-phase crystals with an elongated shape of 100 nm in length. The typical correlation during the transformation is (220α//(301)α+β. The c-axes of both grown crystals were oblique to the direction of the electron beam. The growth process of carbyne crystals will be discussed in terms of selective excitation of graphite crystallites by an SR beam.",

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language = "English",

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T1 - Growth process of carbyne crystals by synchrotron irradiation

AU - Kimura, Yuki

AU - Kaito, Chihiro

AU - Hanamoto, Katsumi

AU - Sasaki, Muneo

AU - Kimura, Seiji

AU - Nakada, Toshitaka

AU - Saito, Yoshio

AU - Nakayama, Yasuyuki

PY - 2002/6/1

Y1 - 2002/6/1

N2 - Growth of small carbyne crystals in a thin amorphous carbon film has been observed by high-resolution transmission electron microscopy (HRTEM). The as-deposited film was composed of diamond and graphite crystallites of size 1 nm. Circular α-phase carbyne crystals predominantly grew to 20 nm in size and transformed into (α+β)-phase crystals with an elongated shape of 100 nm in length. The typical correlation during the transformation is (220α//(301)α+β. The c-axes of both grown crystals were oblique to the direction of the electron beam. The growth process of carbyne crystals will be discussed in terms of selective excitation of graphite crystallites by an SR beam.

AB - Growth of small carbyne crystals in a thin amorphous carbon film has been observed by high-resolution transmission electron microscopy (HRTEM). The as-deposited film was composed of diamond and graphite crystallites of size 1 nm. Circular α-phase carbyne crystals predominantly grew to 20 nm in size and transformed into (α+β)-phase crystals with an elongated shape of 100 nm in length. The typical correlation during the transformation is (220α//(301)α+β. The c-axes of both grown crystals were oblique to the direction of the electron beam. The growth process of carbyne crystals will be discussed in terms of selective excitation of graphite crystallites by an SR beam.

KW - A. Carbyne, Diamond, Graphite

KW - C. Transmission electron microscopy

KW - D. Radiation damage

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SP - 1043

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JO - Carbon

JF - Carbon

IS - 7

ER -

Growth process of carbyne crystals by synchrotron irradiation

Abstract

Keywords

ASJC Scopus subject areas

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