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Stable La_2O_3, Ni, NiO, La_2NiO_4, and La_6Ni_5O_15 phases were found in the La-Ni-O system. La_2Ni_2O_5, LaNiO_2 LaNiO_3, La_3Ni_2O_7, La_4Ni_3O_\u003c10\u003e, La_5Ni_40_\u003c13\u003e were not found under the present experimental conditions. Nonstoichiometric ranges were found in both La_2NiO_4 and La_6Ni_5O_\u003c15\u003e phases, with the composition of La_2NiO_4 represented as functions of log (Po_2/atm), No/N_\u003cLa2NiO4\u003e=-2.932 × 10^\u003c-4\u003e (log Po_2)^2 + 1.056 × 10^\u003c-2\u003elog Po_2 + 0.1318, and with the composition of La_6Ni_5O_\u003c15\u003e represented as functions of log (Po_2/atm), No/N_\u003cLa6.Ni5O15\u003e= 0.0641 log Po_2 + 0.480, respectively. Activity of the components in a solid solution was calculated from these equations. Lattice constants of La_2NiO_4 quenched at two different oxygen partial pressures were determined. The standard Gibbs energy changes of the reactions, Ni + La_2O_3 + 1/2 O_2 = La_2NiO_4 and NiO + 3 La_2NiO_4 + 1/2 O_2 = La_6Ni_5O_\u003c15\u003e appearing in the phase diagrams were calculated to be -133.8 and -20.1kJmol^\u003c-1\u003e, respectively.", "subitem_description_type": "Abstract"}]}, "item_2_publisher_32": {"attribute_name": "出版者", "attribute_value_mlt": [{"subitem_publisher": "新潟工科大学"}]}, "item_2_source_id_7": {"attribute_name": "ISSN", "attribute_value_mlt": [{"subitem_source_identifier": "1342-792X", "subitem_source_identifier_type": "ISSN"}]}, "item_2_source_id_9": {"attribute_name": "書誌レコードID", "attribute_value_mlt": [{"subitem_source_identifier": "AN10590360", "subitem_source_identifier_type": "NCID"}]}, "item_2_version_type_15": {"attribute_name": "著者版フラグ", "attribute_value_mlt": [{"subitem_version_resource": "http://purl.org/coar/version/c_970fb48d4fbd8a85", "subitem_version_type": "VoR"}]}, "item_creator": {"attribute_name": "著者", "attribute_type": "creator", "attribute_value_mlt": [{"creatorNames": [{"creatorName": "Kitayama, Kenzo"}], "nameIdentifiers": [{"nameIdentifier": "570", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Yamada, Takayuki"}], "nameIdentifiers": [{"nameIdentifier": "571", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Watanabe, Kouya"}], "nameIdentifiers": [{"nameIdentifier": "572", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Kobayashi, Masahiro"}], "nameIdentifiers": [{"nameIdentifier": "573", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Suzuki, Yoshimoto"}], "nameIdentifiers": [{"nameIdentifier": "574", "nameIdentifierScheme": "WEKO"}]}]}, "item_files": {"attribute_name": "ファイル情報", "attribute_type": "file", "attribute_value_mlt": [{"accessrole": "open_date", "date": [{"dateType": "Available", "dateValue": "2020-02-25"}], "displaytype": "detail", "download_preview_message": "", "file_order": 0, "filename": "11_1-10.pdf", "filesize": [{"value": "939.8 kB"}], "format": "application/pdf", "future_date_message": "", "is_thumbnail": false, "licensetype": "license_note", "mimetype": "application/pdf", "size": 939800.0, "url": {"label": "11_1-10.pdf", "url": "https://niit.repo.nii.ac.jp/record/143/files/11_1-10.pdf"}, "version_id": "1d99a173-73b7-4576-83a5-46ba405ae468"}]}, "item_keyword": {"attribute_name": "キーワード", "attribute_value_mlt": [{"subitem_subject": "Phase equilibrium", "subitem_subject_scheme": "Other"}, {"subitem_subject": "Thermogravimetry", "subitem_subject_scheme": "Other"}, {"subitem_subject": "Lanthanum-nickle oxide", "subitem_subject_scheme": "Other"}, {"subitem_subject": "Gibbs energy", "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": "departmental bulletin paper", "resourceuri": "http://purl.org/coar/resource_type/c_6501"}]}, "item_title": "Phase Equilibrium in the System La-Ni-O at 1100℃", "item_titles": {"attribute_name": "タイトル", "attribute_value_mlt": [{"subitem_title": "Phase Equilibrium in the System La-Ni-O at 1100℃", "subitem_title_language": "en"}]}, "item_type_id": "2", "owner": "4", "path": ["18"], "permalink_uri": "https://niit.repo.nii.ac.jp/records/143", "pubdate": {"attribute_name": "公開日", "attribute_value": "2010-11-08"}, "publish_date": "2010-11-08", "publish_status": "0", "recid": "143", "relation": {}, "relation_version_is_last": true, "title": ["Phase Equilibrium in the System La-Ni-O at 1100℃"], "weko_shared_id": -1}
Phase Equilibrium in the System La-Ni-O at 1100℃
https://niit.repo.nii.ac.jp/records/143
https://niit.repo.nii.ac.jp/records/1434077b921-8b9e-4f40-8895-92bc742534c5
名前 / ファイル | ライセンス | アクション |
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11_1-10.pdf (939.8 kB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2010-11-08 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Phase Equilibrium in the System La-Ni-O at 1100℃ | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題 | Phase equilibrium | |||||
キーワード | ||||||
主題 | Thermogravimetry | |||||
キーワード | ||||||
主題 | Lanthanum-nickle oxide | |||||
キーワード | ||||||
主題 | Gibbs energy | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
著者 |
Kitayama, Kenzo
× Kitayama, Kenzo× Yamada, Takayuki× Watanabe, Kouya× Kobayashi, Masahiro× Suzuki, Yoshimoto |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Phase equilibrium in La-Ni-O system was established at 1100℃ at the oxygen partial pressure ranging from -log(Po_2/atm) = 0 to 12.00, and a phase diagram for the corresponding La_2O_3, -Ni- Ni_2O_3 system at 1100℃ was constructed. Stable La_2O_3, Ni, NiO, La_2NiO_4, and La_6Ni_5O_15 phases were found in the La-Ni-O system. La_2Ni_2O_5, LaNiO_2 LaNiO_3, La_3Ni_2O_7, La_4Ni_3O_<10>, La_5Ni_40_<13> were not found under the present experimental conditions. Nonstoichiometric ranges were found in both La_2NiO_4 and La_6Ni_5O_<15> phases, with the composition of La_2NiO_4 represented as functions of log (Po_2/atm), No/N_<La2NiO4>=-2.932 × 10^<-4> (log Po_2)^2 + 1.056 × 10^<-2>log Po_2 + 0.1318, and with the composition of La_6Ni_5O_<15> represented as functions of log (Po_2/atm), No/N_<La6.Ni5O15>= 0.0641 log Po_2 + 0.480, respectively. Activity of the components in a solid solution was calculated from these equations. Lattice constants of La_2NiO_4 quenched at two different oxygen partial pressures were determined. The standard Gibbs energy changes of the reactions, Ni + La_2O_3 + 1/2 O_2 = La_2NiO_4 and NiO + 3 La_2NiO_4 + 1/2 O_2 = La_6Ni_5O_<15> appearing in the phase diagrams were calculated to be -133.8 and -20.1kJmol^<-1>, respectively. | |||||
書誌情報 |
新潟工科大学研究紀要 巻 11, p. 1-10, 発行日 2006-12 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1342-792X | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN10590360 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
出版者 | ||||||
出版者 | 新潟工科大学 |