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Assessment of Boron Doped Diamond Electrode Quality and Application to In Situ Modification of Local pH by Water Electrolysis
Published on: January 6, 2016
Nanostructures made from superconducting boron-doped diamond.
Soumen Mandal1, Cécile Naud, Oliver A Williams
1Institut Néel, CNRS and Université Joseph Fourier, 38042 Grenoble, France. soumen.mandal@gmail.com
Nanotechnology
|April 20, 2010
Summary
We demonstrate that nanostructures made from boron-doped superconducting diamond retain their superconducting properties. Even nanoscale wires exhibit high critical temperatures and fields, preserving superconductivity at small dimensions.
Area of Science:
- Materials Science
- Condensed Matter Physics
- Superconductivity
Background:
- Boron-doped diamond exhibits superconducting properties.
- Nanostructuring materials can alter their physical characteristics.
Purpose of the Study:
- To investigate the transport properties of boron-doped superconducting diamond nanostructures.
- To determine if superconducting properties are preserved in nanoscale devices.
Main Methods:
- Chemical vapour deposition (CVD) for thin film growth.
- Electron-beam lithography for nanoscale patterning.
- Electrical transport measurements.
Main Results:
- Fabricated nanostructures from boron-doped superconducting diamond.
- Observed well-preserved superconducting properties in nanoscale devices.
- Measured critical temperatures in the kelvin range for wires <100 nm wide.
- Measured critical fields in the tesla range for wires <100 nm wide.
Conclusions:
- Nanoscale devices patterned from boron-doped diamond thin films maintain superconducting characteristics.
- Superconductivity in boron-doped diamond is robust down to the nanometer scale.
- These findings open possibilities for nanoscale superconducting electronic applications.
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