Single quantum dots as scanning tunnelin
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M. Hauser; J. Smoliner; C. Eder; G. Ploner; G. Strasser; E. Gornik
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Article
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1996
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Elsevier Science
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English
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We report the use of single quantum dot structures as tips on a scanning tunneling microscope (STM). A single quantum dot structure with a diameter of less than 200 nm and a height of 2 ยตm was fabricated by reactive ion etching. This dot was placed on a 40 ยตm-high mesa and mounted on the tip of a ST