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Structural basis for the fast phase change of Ge2Sb2Te5: Ring statistics analogy between the crystal and amorphous states
Open accessAbstract
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.
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Cited by
Emerging Applications of Phase‐Change Materials (PCMs): Teaching an Old Dog New Tricks
Hyun, D. C., Levinson, N. S., Jeong, U., & Xia, Y. (2014) · Angewandte Chemie International Edition · doi:10.1002/anie.201305201 · Cited by 363
Control over emissivity of zero-static-power thermal emitters based on phase-changing material GST
Du, K.-K., Li, Q., Lyu, Y.-B., Ding, J.-C., Lu, Y., Cheng, Z.-Y., & Qiu, M. (2016) · Light: Science & Applications · doi:10.1038/lsa.2016.194 · Cited by 325
Metadata
- Authors
- 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.
- Venue
- Applied Physics Letters
- Publisher
- AIP Publishing
- Published
- 2006-11-13
- Volume
- 89
- Issue
- 20
- Pages
- 201910
- ISSN
- 0003-6951 (ISSN-L)
- 1077-3118
- OpenAlex
- W2142312383
- Cited by
- 261
- References
- 0
- FWCI
- 8.25
- Type
- journal article
- Language
- en
- Open access
- green
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- CoChat. (2026). Citation check: Structural basis for the fast phase change of Ge2Sb2Te5: Ring statistics analogy between the crystal and amorphous states. https://app.cochat.ai/papers/10.1063/1.2387870
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- 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. https://doi.org/10.1063/1.2387870
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