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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Zhang, Gufei
University of Southern Denmark
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (8/8 displayed)
- 2019Anomalous anisotropy in superconducting nanodiamond films induced by crystallite geometrycitations
- 2017Bosonic Confinement and Coherence in Disordered Nanodiamond Arrayscitations
- 2016Bosonic Anomalies in Boron-Doped Polycrystalline Diamondcitations
- 2016Study of the superconducting properties of the new intermetallic compound Zr1-xNbxB2citations
- 2013Metal-Bosonic Insulator-Superconductor Transition in Boron-Doped Granular Diamondcitations
- 2011Role of grain size in superconducting boron-doped nanocrystalline diamond thin films grown by CVDcitations
- 2010In/extrinsic granularity in superconducting boron-doped diamondcitations
- 2010Granular superconductivity in metallic and insulating nanocrystalline boron-doped diamond thin filmscitations
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article
Role of grain size in superconducting boron-doped nanocrystalline diamond thin films grown by CVD
Abstract
The grain size dependence of the superconducting transition, the normal state resistivity, and the insulating behavior at high magnetic fields are studied on a series of boron-doped nanocrystalline diamond (B:NCD) thin films with different grain sizes. The systematic change of the grain size is achieved by varying the methane-to-hydrogen ratio (C/H ratio) for the growth of different B:NCD films. Even though a fixed trimethylboron- (TMB) to-methane gas ratio is supposed to induce the identical boron-doping level in all the B:NCD films, the boron concentration and the carrier density are found to be a decreasing function of the grain size. Another consequence of the increase in grain size is the decreasing grain boundary density.