Room Temperature Ferromagnetism Observed in Co-doped LaTiO3 Nanofibers Fabricated by Electrospinning and Calcination
In this study, LaTi1-xCoxO3 nanofibers with x = 0, 0.025, 0.05, 0.075 and 0.1 were fabricated by electrospinning technique and calcination. The LaTi1-xCoxO3 nanofibers with average diameters of ~ 135 - 186 nm were successfully obtained from calcination of the as-spun LaTi1-xCoxO3/PVP nanofibers at 1...
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Science Faculty of Chiang Mai University
2019
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th-cmuir.6653943832-641742019-05-07T09:59:51Z Room Temperature Ferromagnetism Observed in Co-doped LaTiO3 Nanofibers Fabricated by Electrospinning and Calcination Wichaid Ponhan Apirak Choonlasri Aekkachai Phontham Pornchai Chinnasa In this study, LaTi1-xCoxO3 nanofibers with x = 0, 0.025, 0.05, 0.075 and 0.1 were fabricated by electrospinning technique and calcination. The LaTi1-xCoxO3 nanofibers with average diameters of ~ 135 - 186 nm were successfully obtained from calcination of the as-spun LaTi1-xCoxO3/PVP nanofibers at 1000 ฐC in argon for 2 h. The calcined LaTi1-xCoxO3 nanofibers were characterized by a variety of techniques. X-ray diffraction and transmission electron microscopy studies indicated all samples calcined at 1000 ฐC are a single phase of cubic perovskite structure with no secondary magnetic phase in this study. All of the samples with x = 0, 0.025, 0.05, 0.075 and 0.1 are found to be ferromagnetic at room temperature. With the increasing of x, the ferromagnetism was increased. The structural defect such as oxygen vacancies may play an important role to induce room temperature ferromagnetism in LaTi1-xCoxO3 nanofibers. 2019-05-07T09:59:51Z 2019-05-07T09:59:51Z 2018 บทความวารสาร 0125-2526 http://it.science.cmu.ac.th/ejournal/dl.php?journal_id=9396 http://cmuir.cmu.ac.th/jspui/handle/6653943832/64174 Eng Science Faculty of Chiang Mai University |
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In this study, LaTi1-xCoxO3 nanofibers with x = 0, 0.025, 0.05, 0.075 and 0.1 were fabricated by electrospinning technique and calcination. The LaTi1-xCoxO3 nanofibers with average diameters of ~ 135 - 186 nm were successfully obtained from calcination of the as-spun LaTi1-xCoxO3/PVP nanofibers at 1000 ฐC in argon for 2 h. The calcined LaTi1-xCoxO3 nanofibers were characterized by a variety of techniques. X-ray diffraction and transmission electron microscopy studies indicated all samples calcined at 1000 ฐC are a single phase of cubic perovskite structure with no secondary magnetic phase in this study. All of the samples with x = 0, 0.025, 0.05, 0.075 and 0.1 are found to be ferromagnetic at room temperature. With the increasing of x, the ferromagnetism was increased. The structural defect such as oxygen vacancies may play an important role to induce room temperature ferromagnetism in LaTi1-xCoxO3 nanofibers. |
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บทความวารสาร |
author |
Wichaid Ponhan Apirak Choonlasri Aekkachai Phontham Pornchai Chinnasa |
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Wichaid Ponhan Apirak Choonlasri Aekkachai Phontham Pornchai Chinnasa Room Temperature Ferromagnetism Observed in Co-doped LaTiO3 Nanofibers Fabricated by Electrospinning and Calcination |
author_facet |
Wichaid Ponhan Apirak Choonlasri Aekkachai Phontham Pornchai Chinnasa |
author_sort |
Wichaid Ponhan |
title |
Room Temperature Ferromagnetism Observed in Co-doped LaTiO3 Nanofibers Fabricated by Electrospinning and Calcination |
title_short |
Room Temperature Ferromagnetism Observed in Co-doped LaTiO3 Nanofibers Fabricated by Electrospinning and Calcination |
title_full |
Room Temperature Ferromagnetism Observed in Co-doped LaTiO3 Nanofibers Fabricated by Electrospinning and Calcination |
title_fullStr |
Room Temperature Ferromagnetism Observed in Co-doped LaTiO3 Nanofibers Fabricated by Electrospinning and Calcination |
title_full_unstemmed |
Room Temperature Ferromagnetism Observed in Co-doped LaTiO3 Nanofibers Fabricated by Electrospinning and Calcination |
title_sort |
room temperature ferromagnetism observed in co-doped latio3 nanofibers fabricated by electrospinning and calcination |
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Science Faculty of Chiang Mai University |
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2019 |
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http://it.science.cmu.ac.th/ejournal/dl.php?journal_id=9396 http://cmuir.cmu.ac.th/jspui/handle/6653943832/64174 |
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