✦ LIBER ✦

A new type of scanning probe microscope: combination between an electrometer and a THz microscope

✍ Scribed by Y. Kawano; T. Okamoto

Publisher: Elsevier Science
Year: 2005
Tongue: English
Weight: 192 KB
Volume: 36
Category: Article
ISSN: 0026-2692
DOI: 10.1016/j.mejo.2005.02.099

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✦ Synopsis

We present a new application of the quantum Hall effect (QHE): a combined technique of an electrometer and a THz microscope. In this system, we exploit the QHE devices as a voltage sensor and a THz detector. Using this technique, we simultaneously mapped out longitudinal voltage and cyclotron emission in a quantized Hall bar. This measurement enabled us to separately image spatial distributions of intra-and inter-Landau-level scattering in the QHE systems.

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