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Anomalous temperature dependent elastic moduli of Ce-based bulk metallic glass at low temperatures
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| Zeitschriftentitel: | Applied Physics Letters |
|---|---|
| Personen und Körperschaften: | , , , |
| In: | Applied Physics Letters, 91, 2007, 20 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
AIP Publishing
|
| Schlagwörter: |
| author_facet |
Yu, P. Wang, R. J. Zhao, D. Q. Bai, H. Y. Yu, P. Wang, R. J. Zhao, D. Q. Bai, H. Y. |
|---|---|
| author |
Yu, P. Wang, R. J. Zhao, D. Q. Bai, H. Y. |
| spellingShingle |
Yu, P. Wang, R. J. Zhao, D. Q. Bai, H. Y. Applied Physics Letters Anomalous temperature dependent elastic moduli of Ce-based bulk metallic glass at low temperatures Physics and Astronomy (miscellaneous) |
| author_sort |
yu, p. |
| spelling |
Yu, P. Wang, R. J. Zhao, D. Q. Bai, H. Y. 0003-6951 1077-3118 AIP Publishing Physics and Astronomy (miscellaneous) http://dx.doi.org/10.1063/1.2813639 <jats:p>We report the abnormal temperature dependent elastic moduli of Ce-based bulk metallic glass (BMG) at low temperatures. Unlike other BMGs with stiffness mode, the Ce-based metallic glass exhibits an anomalous softening longitudinal acoustic mode with the decrease of temperature. Particularly, the bulk modulus shows a continuous decrease upon cooling indicating the softening of the BMG, which is completely different from that of other metallic glasses and conventional alloys. The physical origin of this abnormal elastic behavior is attributed to the alterative valences and electronic configurations at low temperatures.</jats:p> Anomalous temperature dependent elastic moduli of Ce-based bulk metallic glass at low temperatures Applied Physics Letters |
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AIP Publishing, 2007 |
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Applied Physics Letters |
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| title |
Anomalous temperature dependent elastic moduli of Ce-based bulk metallic glass at low temperatures |
| title_unstemmed |
Anomalous temperature dependent elastic moduli of Ce-based bulk metallic glass at low temperatures |
| title_full |
Anomalous temperature dependent elastic moduli of Ce-based bulk metallic glass at low temperatures |
| title_fullStr |
Anomalous temperature dependent elastic moduli of Ce-based bulk metallic glass at low temperatures |
| title_full_unstemmed |
Anomalous temperature dependent elastic moduli of Ce-based bulk metallic glass at low temperatures |
| title_short |
Anomalous temperature dependent elastic moduli of Ce-based bulk metallic glass at low temperatures |
| title_sort |
anomalous temperature dependent elastic moduli of ce-based bulk metallic glass at low temperatures |
| topic |
Physics and Astronomy (miscellaneous) |
| url |
http://dx.doi.org/10.1063/1.2813639 |
| publishDate |
2007 |
| physical |
|
| description |
<jats:p>We report the abnormal temperature dependent elastic moduli of Ce-based bulk metallic glass (BMG) at low temperatures. Unlike other BMGs with stiffness mode, the Ce-based metallic glass exhibits an anomalous softening longitudinal acoustic mode with the decrease of temperature. Particularly, the bulk modulus shows a continuous decrease upon cooling indicating the softening of the BMG, which is completely different from that of other metallic glasses and conventional alloys. The physical origin of this abnormal elastic behavior is attributed to the alterative valences and electronic configurations at low temperatures.</jats:p> |
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| author | Yu, P., Wang, R. J., Zhao, D. Q., Bai, H. Y. |
| author_facet | Yu, P., Wang, R. J., Zhao, D. Q., Bai, H. Y., Yu, P., Wang, R. J., Zhao, D. Q., Bai, H. Y. |
| author_sort | yu, p. |
| container_issue | 20 |
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| container_title | Applied Physics Letters |
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| description | <jats:p>We report the abnormal temperature dependent elastic moduli of Ce-based bulk metallic glass (BMG) at low temperatures. Unlike other BMGs with stiffness mode, the Ce-based metallic glass exhibits an anomalous softening longitudinal acoustic mode with the decrease of temperature. Particularly, the bulk modulus shows a continuous decrease upon cooling indicating the softening of the BMG, which is completely different from that of other metallic glasses and conventional alloys. The physical origin of this abnormal elastic behavior is attributed to the alterative valences and electronic configurations at low temperatures.</jats:p> |
| doi_str_mv | 10.1063/1.2813639 |
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| imprint | AIP Publishing, 2007 |
| imprint_str_mv | AIP Publishing, 2007 |
| institution | DE-Bn3, DE-Brt1, DE-D161, DE-Gla1, DE-Zi4, DE-15, DE-Pl11, DE-Rs1, DE-105, DE-14, DE-Ch1, DE-L229, DE-D275 |
| issn | 1077-3118, 0003-6951 |
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| series | Applied Physics Letters |
| source_id | 49 |
| spelling | Yu, P. Wang, R. J. Zhao, D. Q. Bai, H. Y. 0003-6951 1077-3118 AIP Publishing Physics and Astronomy (miscellaneous) http://dx.doi.org/10.1063/1.2813639 <jats:p>We report the abnormal temperature dependent elastic moduli of Ce-based bulk metallic glass (BMG) at low temperatures. Unlike other BMGs with stiffness mode, the Ce-based metallic glass exhibits an anomalous softening longitudinal acoustic mode with the decrease of temperature. Particularly, the bulk modulus shows a continuous decrease upon cooling indicating the softening of the BMG, which is completely different from that of other metallic glasses and conventional alloys. The physical origin of this abnormal elastic behavior is attributed to the alterative valences and electronic configurations at low temperatures.</jats:p> Anomalous temperature dependent elastic moduli of Ce-based bulk metallic glass at low temperatures Applied Physics Letters |
| spellingShingle | Yu, P., Wang, R. J., Zhao, D. Q., Bai, H. Y., Applied Physics Letters, Anomalous temperature dependent elastic moduli of Ce-based bulk metallic glass at low temperatures, Physics and Astronomy (miscellaneous) |
| title | Anomalous temperature dependent elastic moduli of Ce-based bulk metallic glass at low temperatures |
| title_full | Anomalous temperature dependent elastic moduli of Ce-based bulk metallic glass at low temperatures |
| title_fullStr | Anomalous temperature dependent elastic moduli of Ce-based bulk metallic glass at low temperatures |
| title_full_unstemmed | Anomalous temperature dependent elastic moduli of Ce-based bulk metallic glass at low temperatures |
| title_short | Anomalous temperature dependent elastic moduli of Ce-based bulk metallic glass at low temperatures |
| title_sort | anomalous temperature dependent elastic moduli of ce-based bulk metallic glass at low temperatures |
| title_unstemmed | Anomalous temperature dependent elastic moduli of Ce-based bulk metallic glass at low temperatures |
| topic | Physics and Astronomy (miscellaneous) |
| url | http://dx.doi.org/10.1063/1.2813639 |