Two-dimensional Transport In Disordered Carbon And Nanocrystalline Diamond Films

Somnath Bhattacharyya

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Two-dimensional Transport In Disordered Carbon And Nanocrystalline Diamond Films

机译：碳和纳米晶金刚石薄膜的二维传输

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We show the contribution of weak localization in two-dimensions as well as electron-electron interactions at low temperature to the delocalized transport in heavily nitrogen-incorporated nanocrystalline diamond (NCD) films via magnetoresistance. The unique carbon-microstructure of the grain-boundary regions, which is significantly different from amorphous conducting carbon films, can exhibit coherent transport in these films over a few tens of nanometers. The large value of the phase decoherence time of electron wave functions together with its weak temperature dependence in NCD films suggest their potential for large area high-speed device applications.

机译：我们显示了二维的弱局部化以及低温下的电子-电子相互作用对大量掺氮的纳米晶金刚石（NCD）膜通过磁阻的离域传输的影响。晶粒边界区域的独特碳微结构与非晶态导电碳膜有显着不同，可以在数十纳米的膜中表现出相干传输。电子波函数的相位去相干时间的较大值及其在NCD薄膜中对温度的依赖性较弱，表明它们在大面积高速器件应用中具有潜力。

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《Physical review》 |2008年第23期|87-90|共4页
作者
Somnath Bhattacharyya;
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正文语种 eng
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electronic transport phenomena in thin films; nanocrystalline materials; magnetoresistance;

机译：薄膜中的电子传输现象;纳米晶材料;磁阻;

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2. Tuneable anisotropic transport in nitrogen-doped nanocrystalline diamond films: Evidence of a graphite-diamond hybrid superlattice [J] . Churochkin D., Bhattacharyya S. EPL . 2012,第6期

机译：氮掺杂纳米晶金刚石膜中的可调谐各向异性迁移：石墨-金刚石杂化超晶格的证据
3. Tuneable anisotropic transport in nitrogen-doped nanocrystalline diamond films: Evidence of a graphite-diamond hybrid superlattice [J] . Churochkin D., Bhattacharyya S. EPL . 2012,第6期

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4. Influence of methane concentration on the electric transport properties in heavily boron- doped nanocrystalline CVD diamond films [C] . Stoffel D. Janssens, Paulius Pobedinskas, Vladimira Petrakova, Diamond electronics and bioelectronics-fundamentals to applications IV . 2010

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5. Growth, characterization, and electrochemical properties of conductive microcrystalline and nanocrystalline diamond thin-film and hydrogenated glassy carbon electrodes [D] . Chen, Qingyun 2000

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6. Improved Field Electron Emission Properties of Phosphorus and Nitrogen Co-Doped Nanocrystalline Diamond Films [O] . Fernando Lloret, Kamatchi Jothiramalingam Sankaran, Josué Millan-Barba, 2020

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7. Morphological analysis and cell viability on diamond-like carbon films containing nanocrystalline diamond particles [O] . Almeida C.N., Ramos B.C., Da-Silva N.S., 2013

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8. Workshop on diamond and diamond-like-carbon films for the transportation industry. [R] . Nichols, F. A., Moores, D. K. 1993

机译：为运输业提供钻石和类金刚石碳薄膜研讨会。

Two-dimensional Transport In Disordered Carbon And Nanocrystalline Diamond Films

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