{"created":"2021-03-01T06:43:46.350428+00:00","id":8378,"links":{},"metadata":{"_buckets":{"deposit":"d0982538-4185-44dd-8452-c08be0f34143"},"_deposit":{"id":"8378","owners":[],"pid":{"revision_id":0,"type":"depid","value":"8378"},"status":"published"},"_oai":{"id":"oai:tsukuba.repo.nii.ac.jp:00008378","sets":["3:233:254"]},"author_link":["34833"],"item_12_biblio_info_6":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2001","bibliographicIssueDateType":"Issued"}}]},"item_12_date_granted_46":{"attribute_name":"学位授与年月日","attribute_value_mlt":[{"subitem_dategranted":"2001-03-23"}]},"item_12_degree_grantor_44":{"attribute_name":"学位授与大学","attribute_value_mlt":[{"subitem_degreegrantor":[{"subitem_degreegrantor_language":"ja","subitem_degreegrantor_name":"筑波大学"},{"subitem_degreegrantor_language":"en","subitem_degreegrantor_name":"University of Tsukuba"}],"subitem_degreegrantor_identifier":[{"subitem_degreegrantor_identifier_name":"12102","subitem_degreegrantor_identifier_scheme":"kakenhi"}]}]},"item_12_degree_name_43":{"attribute_name":"取得学位","attribute_value_mlt":[{"subitem_degreename":"博士（理学）"},{"subitem_degreename":"Doctor of Philosophy in Science"}]},"item_12_description_4":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"Layered clay minerals have two-dimensionally expanded spaces between their layers. Many kinds of species such as alkaline metal ions, water, organic ammonium ions and alcohols, etc., can be intercalated into the interlayer space of the clays without collapse of the layer structure. Especially, organocations such as alkylammonium ions can be easily itercalated by the simple cation exchange method. A lot of investigations to determine strutures intercalated organocations have been performed. For example, it was found that n-alkylammonium ions form a characteristic layer structure depending on their length and charges in clay walls [1]: In clays with high layer charges, e.g., vermiculite, densely packed alkylammonium ions form mono- or bilayer strutures, and with the increase of the carbon number in alkyl groups, the basal spacing between layers is expanded by 50-60ﾟ to the clay cheet [2].  ･･･","subitem_description_language":"en","subitem_description_type":"Abstract"}]},"item_12_description_45":{"attribute_name":"学位授与年度","attribute_value_mlt":[{"subitem_description":"2000","subitem_description_type":"Other"}]},"item_12_description_5":{"attribute_name":"内容記述","attribute_value_mlt":[{"subitem_description":"Includes bibliographical references","subitem_description_language":"en","subitem_description_type":"Other"}]},"item_12_dissertation_number_47":{"attribute_name":"報告番号","attribute_value_mlt":[{"subitem_dissertationnumber":"甲第2581号"}]},"item_access_right":{"attribute_name":"アクセス権","attribute_value_mlt":[{"subitem_access_right":"open access","subitem_access_right_uri":"http://purl.org/coar/access_right/c_abf2"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"山内, 美穂","creatorNameLang":"ja"},{"creatorName":"Yamauchi, Miho","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"34833","nameIdentifierScheme":"WEKO"}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_access","date":[{"dateType":"Available","dateValue":"2013-12-18"}],"displaytype":"detail","filename":"A2581.pdf","filesize":[{"value":"148.2 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