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The physical essence of mono-dispersed nanometer particle surface energy by boundary bond interaction

  • Northwestern Polytechnical University Xian

科研成果: 书/报告/会议事项章节会议稿件同行评审

1 引用 (Scopus)

摘要

The surface energy quantifies the disruption of intermolecular bond that occurs when a surface is created. The paper discusses critical size dc of mono-dispersed nanometer particle by analyzing the change of interfacial surface energy. The traditional theory neglects that the mono-dispersed nanometer particle has quantum standing wave in its internal structure with a size below critical dc. During the preparation of mono-dispersed nanometer powder, the large surface energy is formed ont only by cutting surface bond but also by forming quantum standing wave that opposites to interfacial edge unsaturated bond on the nanometer partcile surface atom. The preparation process of nanometer material needs more energy than the size surpass dc material. The new theory can explain why the melting point of nanometer powder decreases and other phenomina of nanometer material.

源语言英语
主期刊名Carbon Nanomaterials
出版商Materials Research Society
143-149
页数7
ISBN(印刷版)9781632660985
DOI
出版状态已出版 - 2013
活动2012 MRS Fall Meeting - Boston, MA, 美国
期限: 25 11月 201230 11月 2012

出版系列

姓名Materials Research Society Symposium Proceedings
1505
ISSN(印刷版)0272-9172

会议

会议2012 MRS Fall Meeting
国家/地区美国
Boston, MA
时期25/11/1230/11/12

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