Magnetic properties and magnetocaloric effects in GdCo9Si2 compound with multiple magnetic phase transitions
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作者:
Zheng, Z. G.
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S China Univ Technol, Sch Mat Sci & Engn, Guangzhou 510640, Guangdong, Peoples R ChinaS China Univ Technol, Sch Mat Sci & Engn, Guangzhou 510640, Guangdong, Peoples R China
Zheng, Z. G.
[1
]
Zhong, X. C.
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S China Univ Technol, Sch Mat Sci & Engn, Guangzhou 510640, Guangdong, Peoples R ChinaS China Univ Technol, Sch Mat Sci & Engn, Guangzhou 510640, Guangdong, Peoples R China
Zhong, X. C.
[1
]
Zhang, J. L.
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City Univ Hong Kong, Dept Phys & Mat Sci, Kowloon Tong, Hong Kong, Peoples R ChinaS China Univ Technol, Sch Mat Sci & Engn, Guangzhou 510640, Guangdong, Peoples R China
Zhang, J. L.
[2
]
Liu, Z. W.
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S China Univ Technol, Sch Mat Sci & Engn, Guangzhou 510640, Guangdong, Peoples R ChinaS China Univ Technol, Sch Mat Sci & Engn, Guangzhou 510640, Guangdong, Peoples R China
Liu, Z. W.
[1
]
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Franco, V.
[3
]
Zeng, D. C.
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S China Univ Technol, Sch Mat Sci & Engn, Guangzhou 510640, Guangdong, Peoples R ChinaS China Univ Technol, Sch Mat Sci & Engn, Guangzhou 510640, Guangdong, Peoples R China
Zeng, D. C.
[1
]
机构:
[1] S China Univ Technol, Sch Mat Sci & Engn, Guangzhou 510640, Guangdong, Peoples R China
[2] City Univ Hong Kong, Dept Phys & Mat Sci, Kowloon Tong, Hong Kong, Peoples R China
The structure and magnetic properties of polycrystalline GdCo9Si2 compound have been investigated. It has a BaCd11 structure and undergoes two magnetic phase transitions: an antiferromagnetic to ferrimagnetic transition occurring at similar to 93 K, and a ferrimagnetic to paramagnetic transition at 420 K, which results in a positive and a negative magnetic entropy change, respectively. The two peak values of magnetic entropy change are -0.6 and 1.1 J.kg(-1).K-1 for Delta H = 5 T. Furthermore, there exists a metal-semiconductor transition temperature (T-P), below which the resistance increases with increasing temperature, while the semiconductor characteristic is observed above T-P. The magnetic domain structures are characterized by stripe and grid structures 1 mu m wide. Although the MCE is small for applications, its study is useful to clearly understand the nature of multiple magnetic phase transitions in the GdCo9Si2 compound. (C) 2013 American Institute of Physics.
机构:
Univ Porto, IFIMUP, P-4169007 Oporto, Portugal
Univ Porto, Fac Ciencias, Dept Fis & Astron, IN Inst Nanosci & Nanotechnol, P-4169007 Oporto, PortugalUniv Porto, IFIMUP, P-4169007 Oporto, Portugal
Belo, J. H.
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Pereira, A. M.
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Ventura, J.
Oliveira, G. N. P.
论文数: 0引用数: 0
h-index: 0
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Univ Porto, IFIMUP, P-4169007 Oporto, Portugal
Univ Porto, Fac Ciencias, Dept Fis & Astron, IN Inst Nanosci & Nanotechnol, P-4169007 Oporto, PortugalUniv Porto, IFIMUP, P-4169007 Oporto, Portugal
Oliveira, G. N. P.
Araujo, J. P.
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h-index: 0
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Univ Porto, IFIMUP, P-4169007 Oporto, Portugal
Univ Porto, Fac Ciencias, Dept Fis & Astron, IN Inst Nanosci & Nanotechnol, P-4169007 Oporto, PortugalUniv Porto, IFIMUP, P-4169007 Oporto, Portugal
Araujo, J. P.
Tavares, P. B.
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h-index: 0
机构:
Univ Tras Os Montes & Alto Douro, Dept Quim, P-5001801 Vila Real, Portugal
Univ Tras Os Montes & Alto Douro, CQ VR, P-5001801 Vila Real, PortugalUniv Porto, IFIMUP, P-4169007 Oporto, Portugal
Tavares, P. B.
Fernandes, L.
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Univ Tras Os Montes & Alto Douro, Dept Quim, P-5001801 Vila Real, Portugal
Univ Tras Os Montes & Alto Douro, CQ VR, P-5001801 Vila Real, PortugalUniv Porto, IFIMUP, P-4169007 Oporto, Portugal
Fernandes, L.
Algarabel, P. A.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Zaragoza, Inst Ciencia Mat Aragon, E-50009 Zaragoza, Spain
CSIC, E-50009 Zaragoza, SpainUniv Porto, IFIMUP, P-4169007 Oporto, Portugal
机构:
Hangzhou Dianzi Univ, Inst Mat Phys, Hangzhou 310018, Zhejiang, Peoples R China
Toyama Univ, Grad Sch Sci & Engn, Toyama 9308555, JapanHangzhou Dianzi Univ, Inst Mat Phys, Hangzhou 310018, Zhejiang, Peoples R China
Li, Lingwei
Nishimura, Katsuhiko
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机构:
Toyama Univ, Grad Sch Sci & Engn, Toyama 9308555, JapanHangzhou Dianzi Univ, Inst Mat Phys, Hangzhou 310018, Zhejiang, Peoples R China
Nishimura, Katsuhiko
Igawa, Hiroto
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Toyama Univ, Grad Sch Sci & Engn, Toyama 9308555, JapanHangzhou Dianzi Univ, Inst Mat Phys, Hangzhou 310018, Zhejiang, Peoples R China
Igawa, Hiroto
Huo, Dexuan
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Hangzhou Dianzi Univ, Inst Mat Phys, Hangzhou 310018, Zhejiang, Peoples R ChinaHangzhou Dianzi Univ, Inst Mat Phys, Hangzhou 310018, Zhejiang, Peoples R China
机构:
Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
Nanjing Univ, Key Lab Nanomat Jiang Su Prov, Nanjing 210093, Peoples R ChinaNanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
Ma, S. C.
Wang, D. H.
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Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
Nanjing Univ, Key Lab Nanomat Jiang Su Prov, Nanjing 210093, Peoples R ChinaNanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
Wang, D. H.
Zhang, C. L.
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Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
Nanjing Univ, Key Lab Nanomat Jiang Su Prov, Nanjing 210093, Peoples R ChinaNanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
Zhang, C. L.
Xuan, H. C.
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Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
Nanjing Univ, Key Lab Nanomat Jiang Su Prov, Nanjing 210093, Peoples R ChinaNanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
Xuan, H. C.
Li, S. D.
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机构:
Fujian Normal Univ, Dept Phys, Fuzhou 350007, Peoples R ChinaNanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
Li, S. D.
Huang, Z. G.
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机构:
Fujian Normal Univ, Dept Phys, Fuzhou 350007, Peoples R ChinaNanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
Huang, Z. G.
Du, Y. W.
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Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
Nanjing Univ, Key Lab Nanomat Jiang Su Prov, Nanjing 210093, Peoples R ChinaNanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
机构:
Univ Porto, IFIMUP, P-4169007 Oporto, Portugal
Univ Porto, Fac Ciencias, Dept Fis & Astron, IN Inst Nanosci & Nanotechnol, P-4169007 Oporto, PortugalUniv Porto, IFIMUP, P-4169007 Oporto, Portugal
Belo, J. H.
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Pereira, A. M.
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Ventura, J.
Oliveira, G. N. P.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Porto, IFIMUP, P-4169007 Oporto, Portugal
Univ Porto, Fac Ciencias, Dept Fis & Astron, IN Inst Nanosci & Nanotechnol, P-4169007 Oporto, PortugalUniv Porto, IFIMUP, P-4169007 Oporto, Portugal
Oliveira, G. N. P.
Araujo, J. P.
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h-index: 0
机构:
Univ Porto, IFIMUP, P-4169007 Oporto, Portugal
Univ Porto, Fac Ciencias, Dept Fis & Astron, IN Inst Nanosci & Nanotechnol, P-4169007 Oporto, PortugalUniv Porto, IFIMUP, P-4169007 Oporto, Portugal
Araujo, J. P.
Tavares, P. B.
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h-index: 0
机构:
Univ Tras Os Montes & Alto Douro, Dept Quim, P-5001801 Vila Real, Portugal
Univ Tras Os Montes & Alto Douro, CQ VR, P-5001801 Vila Real, PortugalUniv Porto, IFIMUP, P-4169007 Oporto, Portugal
Tavares, P. B.
Fernandes, L.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Tras Os Montes & Alto Douro, Dept Quim, P-5001801 Vila Real, Portugal
Univ Tras Os Montes & Alto Douro, CQ VR, P-5001801 Vila Real, PortugalUniv Porto, IFIMUP, P-4169007 Oporto, Portugal
Fernandes, L.
Algarabel, P. A.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Zaragoza, Inst Ciencia Mat Aragon, E-50009 Zaragoza, Spain
CSIC, E-50009 Zaragoza, SpainUniv Porto, IFIMUP, P-4169007 Oporto, Portugal
机构:
Hangzhou Dianzi Univ, Inst Mat Phys, Hangzhou 310018, Zhejiang, Peoples R China
Toyama Univ, Grad Sch Sci & Engn, Toyama 9308555, JapanHangzhou Dianzi Univ, Inst Mat Phys, Hangzhou 310018, Zhejiang, Peoples R China
Li, Lingwei
Nishimura, Katsuhiko
论文数: 0引用数: 0
h-index: 0
机构:
Toyama Univ, Grad Sch Sci & Engn, Toyama 9308555, JapanHangzhou Dianzi Univ, Inst Mat Phys, Hangzhou 310018, Zhejiang, Peoples R China
Nishimura, Katsuhiko
Igawa, Hiroto
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h-index: 0
机构:
Toyama Univ, Grad Sch Sci & Engn, Toyama 9308555, JapanHangzhou Dianzi Univ, Inst Mat Phys, Hangzhou 310018, Zhejiang, Peoples R China
Igawa, Hiroto
Huo, Dexuan
论文数: 0引用数: 0
h-index: 0
机构:
Hangzhou Dianzi Univ, Inst Mat Phys, Hangzhou 310018, Zhejiang, Peoples R ChinaHangzhou Dianzi Univ, Inst Mat Phys, Hangzhou 310018, Zhejiang, Peoples R China
机构:
Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
Nanjing Univ, Key Lab Nanomat Jiang Su Prov, Nanjing 210093, Peoples R ChinaNanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
Ma, S. C.
Wang, D. H.
论文数: 0引用数: 0
h-index: 0
机构:
Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
Nanjing Univ, Key Lab Nanomat Jiang Su Prov, Nanjing 210093, Peoples R ChinaNanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
Wang, D. H.
Zhang, C. L.
论文数: 0引用数: 0
h-index: 0
机构:
Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
Nanjing Univ, Key Lab Nanomat Jiang Su Prov, Nanjing 210093, Peoples R ChinaNanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
Zhang, C. L.
Xuan, H. C.
论文数: 0引用数: 0
h-index: 0
机构:
Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
Nanjing Univ, Key Lab Nanomat Jiang Su Prov, Nanjing 210093, Peoples R ChinaNanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
Xuan, H. C.
Li, S. D.
论文数: 0引用数: 0
h-index: 0
机构:
Fujian Normal Univ, Dept Phys, Fuzhou 350007, Peoples R ChinaNanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
Li, S. D.
Huang, Z. G.
论文数: 0引用数: 0
h-index: 0
机构:
Fujian Normal Univ, Dept Phys, Fuzhou 350007, Peoples R ChinaNanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
Huang, Z. G.
Du, Y. W.
论文数: 0引用数: 0
h-index: 0
机构:
Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
Nanjing Univ, Key Lab Nanomat Jiang Su Prov, Nanjing 210093, Peoples R ChinaNanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China