Scanning gate microscopy measurements on a superconducting single-electron transistor
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Institute of Physics (IoP) and Deutsche Physikalische Gesellschaft2011
Scanning tunneling microscopy (STM) by providing images of the effects of individual zinc impurities in cuprate superconductors with unprecedented atomic resolution offers a stringent test to models of correlated fermions for high-temperature superconducto ...
This thesis reports measurements concerning quantum size effects of single crystalline metallic islands by using low-temperature scanning tunneling microscopy (STM) and spectroscopy (STS). Different sample systems are presented in the following chapters. I ...
Abstract—This paper presents a resist-less process for parallel fabrication of sub-micrometer Al-AlOx-Al superconducting tunnel junctions. A custom stencil is fabricated containing 200 nm low stress SiN membranes with micro-apertures. The stencil is aligne ...
The discovery of high temperature superconductivity in the cuprates in 1986 has boosted the research in strongly correlated materials. One strong motivation was and stays the understanding the high-Tc phenomenon with the hope that one can ultimately engine ...
The energy gap Delta of superconducting Pb islands grown on Si(111) was probed in situ between 5 and 60 monolayers by low-temperature scanning tunneling spectroscopy. Delta was found to decrease from its bulk value as a function of inverse island thickness ...
The influences of trapped charges on carrier transport in carbon nanotubes (CNTs) are studied using CNT field-effect transistors with a partial top-gate and a global back-gate. Trapped charges induced by the global back-gate voltage sweeping (+/- 20 V) pro ...
This paper presents a resist-less process for parallel fabrication of sub-micrometer Al-AlOx-Al superconducting tunnel junctions. A custom stencil is fabricated containing 200 nm low-stress SiN membranes with micro-apertures. The stencil is aligned and cla ...
