In situ observations of crystalline-to-liquid and crystalline-to-gas transitions of substrate-supported Ag nanoparticles

C. L. Chen; J. G. Lee; K. Arakawa; H. Mori

doi:10.1063/1.3456382

In situ observations of crystalline-to-liquid and crystalline-to-gas transitions of substrate-supported Ag nanoparticles

C. L. Chen, J. G. Lee, K. Arakawa, H. Mori

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18 Citations (Scopus)

Abstract

The phase transitions of silver nanoparticles on graphite and alumina substrates have been investigated using in situ high-resolution transmission electron microscopy. It was revealed that no crystalline-to-liquid transition, only a crystalline-to-gas transition, took place in graphite-supported silver nanoparticles prior to the complete disappearance of the nanoparticles; crystalline-to-liquid transition did take place in alumina-supported silver nanoparticles. The substrate-induced difference in the phase transition behavior is discussed on the basis of a thermodynamic model.

Original language	English
Article number	253104
Journal	Applied Physics Letters
Volume	96
Issue number	25
DOIs	https://doi.org/10.1063/1.3456382
Publication status	Published - 2010 Jun 21

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.3456382

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abstract = "The phase transitions of silver nanoparticles on graphite and alumina substrates have been investigated using in situ high-resolution transmission electron microscopy. It was revealed that no crystalline-to-liquid transition, only a crystalline-to-gas transition, took place in graphite-supported silver nanoparticles prior to the complete disappearance of the nanoparticles; crystalline-to-liquid transition did take place in alumina-supported silver nanoparticles. The substrate-induced difference in the phase transition behavior is discussed on the basis of a thermodynamic model.",

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note = "Funding Information: This study was supported by the Priority Assistance for the Formation of Worldwide Renowned Centers of Research—The Global COE Program (Project: Center of Excellence for Advanced Structural and Functional Materials Design) of the Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan and partly by a Grant-in-Aid for Scientific Research (B) (Grant No. 21360309). ",

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AU - Chen, C. L.

AU - Lee, J. G.

AU - Arakawa, K.

AU - Mori, H.

N1 - Funding Information: This study was supported by the Priority Assistance for the Formation of Worldwide Renowned Centers of Research—The Global COE Program (Project: Center of Excellence for Advanced Structural and Functional Materials Design) of the Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan and partly by a Grant-in-Aid for Scientific Research (B) (Grant No. 21360309).

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Y1 - 2010/6/21

N2 - The phase transitions of silver nanoparticles on graphite and alumina substrates have been investigated using in situ high-resolution transmission electron microscopy. It was revealed that no crystalline-to-liquid transition, only a crystalline-to-gas transition, took place in graphite-supported silver nanoparticles prior to the complete disappearance of the nanoparticles; crystalline-to-liquid transition did take place in alumina-supported silver nanoparticles. The substrate-induced difference in the phase transition behavior is discussed on the basis of a thermodynamic model.

AB - The phase transitions of silver nanoparticles on graphite and alumina substrates have been investigated using in situ high-resolution transmission electron microscopy. It was revealed that no crystalline-to-liquid transition, only a crystalline-to-gas transition, took place in graphite-supported silver nanoparticles prior to the complete disappearance of the nanoparticles; crystalline-to-liquid transition did take place in alumina-supported silver nanoparticles. The substrate-induced difference in the phase transition behavior is discussed on the basis of a thermodynamic model.

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In situ observations of crystalline-to-liquid and crystalline-to-gas transitions of substrate-supported Ag nanoparticles

Abstract

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