DOI: 10.1063/1.2387870. Structural basis for the fast phase change of Ge2Sb2Te5: Ring statistics analogy between the crystal and amorphous states

Structural basis for the fast phase change of Ge2Sb2Te5: Ring statistics analogy between the crystal and amorphous states

10.1063/1.2387870

Crossref journal-article

AIP Publishing

Applied Physics Letters (317)

Abstract

The three-dimensional atomic configuration of amorphous Ge2Sb2Te5 and GeTe were derived by reverse Monte Carlo simulation with synchrotron-radiation x-ray diffraction data. The authors found that amorphous Ge2Sb2Te5 can be regarded as “even-numbered ring structure,” because the ring statistics is dominated by four- and six-fold rings analogous to the crystal phase. On the other hand, the formation of Ge–Ge homopolar bonds in amorphous GeTe constructs both odd- and even-numbered rings. They believe that the unusual ring statistics of amorphous Ge2Sb2Te5 is the key for the fast crystallization speed of the material.

Bibliography

Kohara, S., Kato, K., Kimura, S., Tanaka, H., Usuki, T., Suzuya, K., Tanaka, H., Moritomo, Y., Matsunaga, T., Yamada, N., Tanaka, Y., Suematsu, H., & Takata, M. (2006). Structural basis for the fast phase change of Ge2Sb2Te5: Ring statistics analogy between the crystal and amorphous states. Applied Physics Letters, 89(20).

Authors 13

Shinji Kohara (first)
Kenichi Kato (additional)
Shigeru Kimura (additional)
Hitoshi Tanaka (additional)
Takeshi Usuki (additional)
Kentaro Suzuya (additional)
Hiroshi Tanaka (additional)
Yutaka Moritomo (additional)
Toshiyuki Matsunaga (additional)
Noboru Yamada (additional)
Yoshihito Tanaka (additional)
Hiroyoshi Suematsu (additional)
Masaki Takata (additional)

References 17 Referenced 235

10.1063/1.97617 / Appl. Phys. Lett. (1986)
{'key': '2023080102045045800_c2', 'first-page': '79', 'volume': '695', 'year': '1986', 'journal-title': 'Proc. SPIE'} / Proc. SPIE (1986)
10.1143/JJAP.26.1811 / Jpn. J. Appl. Phys., Suppl. (1987)
10.1038/nmat1215 / Nat. Mater. (2004)
{'key': '2023080102045045800_c5', 'first-page': '339', 'volume': '13', 'year': '1968', 'journal-title': 'Sov. Phys. Crystallogr.'} / Sov. Phys. Crystallogr. (1968)
10.1117/12.280690 / Proc. SPIE (1997)
10.1063/1.1314323 / J. Appl. Phys. (2000)
10.1088/0022-3719/20/10/012 / J. Phys. C (1987)
10.1116/1.1430249 / J. Vac. Sci. Technol. A (2002)
10.1016/0022-3093(79)90034-6 / J. Non-Cryst. Solids (1979)
10.1080/08927028808080958 / Mol. Simul. (1988)
{'key': '2023080102045045800_c13', 'first-page': '1045', 'volume': '467–468', 'year': '2001', 'journal-title': 'Nucl. Instrum. Methods Phys. Res. A'} / Nucl. Instrum. Methods Phys. Res. A (2001)
{'key': '2023080102045045800_c14', 'first-page': '1030', 'volume': '467–468', 'year': '2001', 'journal-title': 'Nucl. Instrum. Methods Phys. Res. A'} / Nucl. Instrum. Methods Phys. Res. A (2001)
See EPAPS Document No. E-APPLAB-89-253645 for additional figures and table on the RMC model. This document can be reached through a direct link in the online article’s HTML reference section or via the EPAPS homepage (http://www.aip.org/pubservs/epaps.html).
10.1143/JJAP.30.101 / Jpn. J. Appl. Phys., Part 1 (1991)
10.1088/0953-8984/17/5/009 / J. Phys.: Condens. Matter (2005)
{'key': '2023080102045045800_c21'}

Dates

Type	When
Created	18 years, 9 months ago (Nov. 17, 2006, 8:35 p.m.)
Deposited	2 years ago (July 31, 2023, 10:05 p.m.)
Indexed	1 week, 1 day ago (Aug. 19, 2025, 7:09 a.m.)
Issued	18 years, 9 months ago (Nov. 13, 2006)
Published	18 years, 9 months ago (Nov. 13, 2006)
Published Online	18 years, 9 months ago (Nov. 17, 2006)
Published Print	18 years, 9 months ago (Nov. 13, 2006)

Funders 0

None

BibTeX

@article{Kohara_2006, title={Structural basis for the fast phase change of Ge2Sb2Te5: Ring statistics analogy between the crystal and amorphous states}, volume={89}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.2387870}, DOI={10.1063/1.2387870}, number={20}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Kohara, Shinji and Kato, Kenichi and Kimura, Shigeru and Tanaka, Hitoshi and Usuki, Takeshi and Suzuya, Kentaro and Tanaka, Hiroshi and Moritomo, Yutaka and Matsunaga, Toshiyuki and Yamada, Noboru and Tanaka, Yoshihito and Suematsu, Hiroyoshi and Takata, Masaki}, year={2006}, month=nov }

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