{"created":"2024-03-28T00:45:44.326824+00:00","id":2000456,"links":{},"metadata":{"_buckets":{"deposit":"ba354754-1775-4751-808f-43813ad159da"},"_deposit":{"created_by":20,"id":"2000456","owner":"20","owners":[20],"owners_ext":{"displayname":"kojima","username":"kojima_tomomi"},"pid":{"revision_id":0,"type":"depid","value":"2000456"},"status":"published"},"_oai":{"id":"oai:nifs-repository.repo.nii.ac.jp:02000456","sets":["6:7"]},"author_link":["127994","127575","66893","127995","128547","122655","122252","66799","66533","66536","66532","67436","66754","127996","127998","127997","128580","128548","128549","126550","128550","127313","127577","127127","127578","127535"],"control_number":"2000456","item_10001_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2024-02-20","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"March 2024","bibliographicPageStart":"101619","bibliographicVolumeNumber":"38","bibliographic_titles":[{"bibliographic_title":"Nuclear Materials and Energy","bibliographic_titleLang":"en"}]}]},"item_10001_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"Based on the DFT method, the effects of copper and tungsten impurities present in the negative ion source of neutral beams on the cesiated surface were studied, including their effects on the adsorption energy of cesium on the surface and the surface work function. The results indicate that copper impurities significantly increase the average adsorption energy of cesium, whereas tungsten has limited enhancement on the average adsorption energy of cesium and may even reduce it. The work function calculations show that, at cesium coverages below 4/16 θ, copper impurities cause a significant increase in the work function. However, at cesium coverages above 6/16 θ, high-coverage copper impurities lead to a further decrease in the work function, causing the cesium coverage corresponding to the lowest work function to shift towards higher cesium coverage. Under any tungsten impurity and cesium coverage, tungsten impurities can significantly increase the surface work function, with the maximum increase reaching 0.50 eV. The dipole moment density analysis shows that in most cases, impurities significantly reduce the dipole moment density of the cesiated surface, except when the coverage of cesium and copper impurities is above 6/16 θ. The charge transfer results show that the copper impurity layer has more positive charge compared to the tungsten impurity layer, which significantly affects the dipole moment density of the surface system. In addition, adsorbed atoms cause electrons in the molybdenum atomic layer to migrate to the surface, resulting in the molybdenum substrate having a pronounced negative dipole moment.","subitem_description_language":"en","subitem_description_type":"Abstract"}]},"item_10001_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"Elsevier","subitem_publisher_language":"en"}]},"item_10001_relation_14":{"attribute_name":"DOI","attribute_value_mlt":[{"subitem_relation_type":"isIdenticalTo","subitem_relation_type_id":{"subitem_relation_type_id_text":"https://doi.org/10.1016/j.nme.2024.101619","subitem_relation_type_select":"DOI"}}]},"item_10001_relation_17":{"attribute_name":"関連サイト","attribute_value_mlt":[{"subitem_relation_name":[{"subitem_relation_name_language":"en","subitem_relation_name_text":"Publisher 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surface","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Metal impurities","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Dipole moment","subitem_subject_language":"en","subitem_subject_scheme":"Other"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"eng"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"journal article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"Effect of metal impurities on the adsorption energy of cesium and work function of the cesiated Mo (001) surface","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Effect of metal impurities on the adsorption energy of cesium and work function of the cesiated Mo (001) 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