Electronic Properties of Two-Dimensional Nicrocluster Arrays
Electronic Properties of Two-Dimensional Nicrocluster Arrays
批准号:
01460025
负责人:
KASUYA Atsuo
金额:
$3.84万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for General Scientific Research (B)
财政年份:
1989
资助国家:
日本
项目状态:
已结题
起止时间:
1989 至 1990
中文摘要
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英文摘要
Microclusters of Au, C, Sb, Bi, and Te are deposited under a monolayer coverage on the c-plane of highly oriented pyrolytic graphite by excimer laser ablation or by ordinary thermal vaporization of constituent elements in vacuum and in He gas.Deposited surfaces are examined by a scanning tunneling microscope (Nanoscope II) operated in air. Microclusters are adsorbed in a variety of sizes and shapes. Atomic images of clusters are observed for small clusters consisting of less than a hundred atoms. For depositing carbon by laser ablation, some of small clusters are adsorbed on the substrate in single layers. Under He gas of around 50 torr, they are dominantly stacked in three-dimension on the substrate, even for those consisting of only several atoms. Although most of clusters are distributed randomly over the surface of substrate, they tend to be adsorbed around crystal defects such as along a step or on a terrace.These clusters are of similar sizes as well as shapes and are aligned in nearly an equal separation so that they form a regular arrangement of size selected clusters. Such arrays are observed for carbon clusters by laser ablation, and for Au, C, Sb, and Te clusters by thermal vaporization.
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粕谷厚生,仁科雄一郎: "マイクロクラスタ-の具体的作成法" 日本物理学会誌. 44. 231-234 (1989)
Kosei Kasuya,Yuichiro Nishina:“创建微团簇的具体方法”日本物理学会杂志 44. 231-234 (1989)。
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作者:
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通讯作者:
粕谷 厚生,仁科 雄一郎: "マイクロクラスタ-の具体的作成法" 日本物理学会誌. 44. 231-234 (1989)
Kosei Kasuya,Yuichiro Nishina:“创建微团簇的具体方法”日本物理学会杂志 44. 231-234 (1989)。
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作者:
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通讯作者:
O. Eryu, K. Murakami, K. Masuda, A. Kasuya and Y. Nishina: "Dynamics of Laser-ablated particles from high Tc superconductor Yba_2Cu_3O_y" Applied Physics Letters. 54. 2716-2719 (1989)
O. Eryu、K. Murakami、K. Masuda、A. Kasuya 和 Y. Nishina:“高 Tc 超导体 Yba_2Cu_3O_y 激光烧蚀粒子的动力学”应用物理快报。
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作者:
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通讯作者:
A. Kasuya and Y. Nishina: "Dynamics of laser ablation" Proc. special symposium on atom cluster. 1 (1990)
A. Kasuya 和 Y. Nishina:“激光烧蚀动力学”Proc。
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粕谷 厚生,仁科 雄一郎: "Spece/Time Resolved Analygis In μm/msec Scale of Laser Beam,Solid Surface Interaction In Group IV Elements" Materials Research Society Symposia Proleedings. 129. 365-370 (1989)
Kosei Kasuya、Yuichiro Nishina:“激光束微米/毫秒级的规格/时间解析分析,第四族元素中的固体表面相互作用”材料研究协会研讨会论文集 129. 365-370 (1989)。
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