A new sample geometry for point contact spectroscopy
β Scribed by Jeffrey L. Wragg; Paul J. Dolan Jr.; Charles W. Smith
- Publisher
- Elsevier Science
- Year
- 1985
- Tongue
- English
- Weight
- 151 KB
- Volume
- 113
- Category
- Article
- ISSN
- 0375-9601
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π SIMILAR VOLUMES
We use a novel broadband microwave spectroscopy measurement to study the source-drain current characteristics of a GaAs quantum point contact (QPC) within the tunnelling regime. The experimental setup was based on the Corbino approach with the notable difference that it was non-invasive to the sampl
## WC present ukuht~ons that mdlcatc that for welkhoscn materuk a system conujtmg oia small sphere (dmmetcr <400 A) suspended shove a planar surfxe, LS a good laser mtenslty ampldier and an mteresrmg undIdate for surfaceenhzmced specuoscopy. Use of SC and doped InSb extends the frequency range of