{"_buckets": {"deposit": "1331426e-8023-4f39-ad0e-cb09c061ac5a"}, "_deposit": {"id": "2131", "owners": [], "pid": {"revision_id": 0, "type": "recid", "value": "2131"}, "status": "published"}, "_oai": {"id": "oai:meral.edu.mm:recid/2131", "sets": ["user-uy"]}, "communities": ["ccm", "ccp", "kyauksetu", "ltc", "maas", "miit", "mlmu", "mmu", "mtlu", "mtu", "mub", "mude", "mufl", "pathein", "scu", "suoe", "tcu", "tgu", "tuh", "tum", "ucsm", "ucsmtla", "ucsmub", "ucspathein", "ucstaungoo", "ucsy", "udmm", "udmy", "uit", "um", "um1", "um2", "umkn", "umm", "uphy", "urj", "uvs", "uy", "yau", "ydbu", "ytu", "yude", "yueco", "yufl", "yuoe"], "control_number": "2131", "item_1583103067471": {"attribute_name": "Title", "attribute_value_mlt": [{"subitem_1551255647225": "Enhancement of temperature coefficient of resistivity in La0.67Ca0.33MnO3 polycrystalline ceramics", "subitem_1551255648112": "en"}]}, "item_1583103085720": {"attribute_name": "Description", "attribute_value_mlt": [{"interim": "La0.67Ca0.33MnO3 polycrystalline ceramics with high temperature coefficient of resistivity (TCR) have been synthesized by the sol–gel method at the sintering temperature of 1450 °C and in a sintering time range of 2 h–24 h. The micrographs of the ceramics reveal that the grains grow up from 2 μm to about 10 μm with increasing the sintering time. The optimization of the sintering time is found to be a simple and effective way to largely enhance the TCR values of the ceramics. The highest metal–insulator transition temperature Tp (272.5 K) and the largest TCR (21.4%) were obtained in the ceramic sintered for 12 h. The reduction of grain boundary and resistivity contributes to the enhancement of Tp and TCR values."}]}, "item_1583103108160": {"attribute_name": "Keywords", "attribute_value_mlt": [{"interim": "Sol–gel"}]}, "item_1583103120197": {"attribute_name": "Files", "attribute_type": "file", "attribute_value_mlt": [{"accessrole": "open_access", "date": [{"dateType": "Available", "dateValue": "2020-05-05"}], "displaytype": "preview", "download_preview_message": "", "file_order": 0, "filename": "Enhancement of temperature coefficient of resistivity in La0.67Ca0.33MnO3 polycrystalline ceramic.pdf", "filesize": [{"value": "1417 Kb"}], "format": "application/pdf", "future_date_message": "", "is_thumbnail": false, "licensetype": "license_free", "mimetype": "application/pdf", "size": 1417000.0, "url": {"url": "https://meral.edu.mm/record/2131/files/Enhancement of temperature coefficient of resistivity in La0.67Ca0.33MnO3 polycrystalline ceramic.pdf"}, "version_id": "cc685935-04f3-4545-a22e-d43c729a2f3a"}]}, "item_1583103131163": {"attribute_name": "Journal articles", "attribute_value_mlt": [{}]}, "item_1583103147082": {"attribute_name": "Conference papaers", "attribute_value_mlt": [{}]}, "item_1583103211336": {"attribute_name": "Books/reports/chapters", "attribute_value_mlt": [{}]}, "item_1583103233624": {"attribute_name": "Thesis/dissertations", "attribute_value_mlt": [{"subitem_supervisor(s)": []}]}, "item_1583105942107": {"attribute_name": "Authors", "attribute_value_mlt": [{"subitem_authors": [{"subitem_authors_fullname": "Ma, Ji"}, {"subitem_authors_fullname": "Cai, Yunqi"}, {"subitem_authors_fullname": "Wang, Wenzhang"}, {"subitem_authors_fullname": "Cui, Qi"}, {"subitem_authors_fullname": "Mya Theingi"}, {"subitem_authors_fullname": "Zhang, Hui"}, {"subitem_authors_fullname": "Chen, Qingming"}]}]}, "item_1583108359239": {"attribute_name": "Upload type", "attribute_value_mlt": [{"interim": "Publication"}]}, "item_1583108428133": {"attribute_name": "Publication type", "attribute_value_mlt": [{"interim": "Journal article"}]}, "item_1583159729339": {"attribute_name": "Publication date", "attribute_value": "2013"}, "item_1583159847033": {"attribute_name": "Identifier", "attribute_value": "http://uyr.uy.edu.mm/handle/123456789/100"}, "item_title": "Enhancement of temperature coefficient of resistivity in La0.67Ca0.33MnO3 polycrystalline ceramics", "item_type_id": "21", "owner": "1", "path": ["1582967633684"], "permalink_uri": "http://hdl.handle.net/20.500.12678/0000002131", "pubdate": {"attribute_name": "Deposited date", "attribute_value": "2020-03-05"}, "publish_date": "2020-03-05", "publish_status": "0", "recid": "2131", "relation": {}, "relation_version_is_last": true, "title": ["Enhancement of temperature coefficient of resistivity in La0.67Ca0.33MnO3 polycrystalline ceramics"], "weko_shared_id": -1}