Low-Temperature Scanning Tunneling Microscopy and Spectroscopy Investigation of the Electronic Surface State of Self-Organized Cr Islands on Au(111)

Schouteden, K.; Muzychenko, D.A.; Lievens, P.; Van Haesendonck, C.

Статья опубликована в высокорейтинговом журнале

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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.

Авторы: Schouteden K., Muzychenko D.A., Lievens P., Van Haesendonck C.
Журнал: Journal of Nanoscience and Nanotechnology
Том: 9
Номер: 11
Год издания: 2009
Издательство: American Scientific Publishers
Местоположение издательства: United States
Первая страница: 6767
Последняя страница: 6771
DOI: 10.1166/jnn.2009.1478
Аннотация: We have investigated the morphologic and electronic properties of self-organized nanosized Cr islands grown on atomically flat Au(111) surfaces by means of low-temperature scanning tunneling microscopy and spectroscopy under ultra-high vacuum conditions. We observe the existence of an electronic surface state on the Cr islands, which manifests itself through the formation of standing wave patterns within the interior of the atomically flat islands that gain in complexity for increasing bias voltages. The patterns are only weakly observable when compared to similar standing waves formed within self-organized Co islands on Au(111). This difference is attributed to the more irregular shape of the Cr islands. Furthermore, we have found that the presence of the Cr surface state is reflected by the appearance of a distinct electronic state in the -200 mV to -150 mV range, resembling to previous findings for self-organized Co islands on Au(111). © 2009 American Scientific Publishers.
Добавил в систему: Музыченко Дмитрий Анатольевич

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Low-Temperature Scanning Tunneling Microscopy and Spectroscopy Investigation of the Electronic Surface State of Self-Organized Cr Islands on Au(111)статья

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