Chemical interactions in the layered system BCxNy/Ni(Cu)/Si, produced by CVD at high temperature
Chemical interactions in the layered system BCxNy/Ni(Cu)/Si, produced by CVD at high temperature
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高温 CVD 生产的 BCxNy/Ni(Cu)/Si 层状系统中的化学相互作用
DOI:
10.1007/s00216-012-6177-2
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发表时间:
2012
影响因子:
4.3
通讯作者:
W. Ensinger
中科院分区:
文献类型:
--
作者:
P.S. Hoffmann;M.I. Kosinova;S. Flege;O. Baake;B. Pollakowski;V.A. Trunova;A. Klein;B. Beckhoff;F.A. Kuznetsov;W. Ensinger
Layered samples Si(100)/C/Ni/BCxNyand Si(100)/C/Cu/BCxNywere produced by physical vapor deposition of a metal (Ni, Cu, resp.) and low-pressure chemical vapor deposition of the boron carbonitride on a Si(100) substrate. Between the Si and the Ni (Cu) and on the surface of the Ni (Cu) layer, thin carbon layers were deposited, as a diffusion barrier or as a protection against oxidation, respectively. Afterwards, the surface carbon layer was removed. As precursor, trimethylamine borane and, as an auxiliary gas, H2and NH3were used, respectively. The chemical compositions of the layers and of the interfaces in between were characterized by total-reflection X-ray fluorescence spectrometry combined with near-edge X-ray absorption fine-structure spectroscopy, X-ray photoelectron spectroscopy, and secondary ion mass spectrometry. The application of H2yielded the BCxNycompound whereas the use of NH3led to a mixture of h-BN and graphitic carbon. At the BCxNy/metal interface, metal borides could be identified. At the relatively high synthesis temperature of 700 °C, broad regions of Cu or Ni and Si were observed between the metal layer and the substrate Si.
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DOI:
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发表时间:
2007
期刊:
影响因子:
--
作者:
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2003
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发表时间:
2010
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DOI:
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发表时间:
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