✦ LIBER ✦

Microwave responses on locally modified by near-field microwave microscope

✍ Scribed by Tadashi Machida; Shuuichi Ooi; Minoru Tachiki; Takashi Mochiku; Takuya Kato; Hideaki Sakata; Kazuto Hirata

Publisher: Elsevier Science
Year: 2010
Tongue: English
Weight: 280 KB
Volume: 470
Category: Article
ISSN: 0921-4534
DOI: 10.1016/j.physc.2009.12.031

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✦ Synopsis

We have locally modified a cleaved surface of single crystalline Bi 2 Sr 2 CaCu 2 O 8þd by local anodic oxidation using scanning tunneling microscope-assisted near-field scanning microwave microscope (STM-assisted NSMM). After the modification, we have measured the resonant frequency and the quality factor of the microwave responses near the modified region at 7.31 GHz. The resonant frequency and the quality factor increase at the modified region. It has been confirmed that the STM-assisted NSMM enables us both to modify the sample surface and to measure the microwave impedance on the modified region in nanoscale.

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