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清浄Nb表面への水素の吸着と偏析
Bibliographic Information
- Other Title
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- Adsorption and Segregation of Hydrogen on Clean Nb Surface
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Description
Sticking coefficient of H2, α , on a clean Nb surface was measured as a function of specimen temperature (25 - 477 ?C) and hydrogen uptake. The initial value of sticking coefficient at negligible hydrogen uptake was ca. 0.25 and was independent of surface temperature. At any temperature examined, α showed a significant reduction with increase in hydrogen uptake, although the extent of reduction decreased with increasing temperature. Such reduction in α was ascribed to the increase in the surface coverage of hydrogen due to surface segregation and was explained by a model assuming equilibrium partitioning of hydrogen between the surface and the solid solution phase in the bulk.
Journal
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- 富山大学水素同位体科学研究センター研究報告 = Annual Report of Hydrogen Isotope Research Center, Toyama University
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富山大学水素同位体科学研究センター研究報告 = Annual Report of Hydrogen Isotope Research Center, Toyama University 25 25-39, 2005
富山大学水素同位体科学研究センター
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Details 詳細情報について
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- CRID
- 1390290699782878720
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- NII Article ID
- 110004727344
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- NII Book ID
- AA11841872
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- ISSN
- 09168486
- 13463675
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- HANDLE
- 10110/983
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- NDL BIB ID
- 8643089
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- Text Lang
- en
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- Article Type
- departmental bulletin paper
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- Data Source
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- JaLC
- IRDB
- NDL Search
- CiNii Articles
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- Abstract License Flag
- Allowed