Tricritical behavior of the two-dimensional intrinsically ferromagnetic semiconductor CrGeTe3

doi:10.1103/PhysRevB.95.245212

CORC > 合肥物质科学研究院 > 中国科学院合肥物质科学研究院 > 中科院固体物理研究所

	Tricritical behavior of the two-dimensional intrinsically ferromagnetic semiconductor CrGeTe3
	Lin, G. T.1,2; Zhuang, H. L.3; Luo, X.1; Liu, B. J.2,4; Chen, F. C.1,2; Yan, J.1,2; Sun, Y.2,4 ; Zhou, J.5; Lu, W. J.1; Tong, P.1
刊名	PHYSICAL REVIEW B
	2017-06-30
卷号	95 期号:24 页码:1-6
DOI	10.1103/PhysRevB.95.245212
文献子类	Article
英文摘要	CrGeTe3 recently emerges as a new two-dimensional (2D) ferromagnetic semiconductor that is promising for spintronic device applications. Unlike CrSiTe3 whose magnetism can be understood using the 2D-Ising model, CrGeTe3 exhibits a smaller van der Waals gap and larger cleavage energy, which could lead to a transition of magnetic mechanism from 2D to 3D. To confirm this speculation, we investigate the critical behavior of CrGeTe3 around the second-order paramagnetic-ferromagnetic phase transition. We obtain the critical exponents estimated by several common experimental techniques including the modified Arrott plot, Kouvel-Fishermethod, and critical isotherm analysis, which show that themagnetism of CrGeTe3 follows the tricritical mean-field model with the critical exponents beta,gamma and delta of 0.240 +/- 0.006, 1.000 +/- 0.005, and 5.070 +/- 0.006, respectively, at the Curie temperature of 67.9 K. We therefore suggest that the magnetic phase transition from 2D to 3D for CrGeTe3 should locate near a tricritical point. Our experiment provides a direct demonstration of the applicability of the tricritical mean-field model to a 2D ferromagnetic semiconductor.
WOS关键词	TRANSITION-METAL DICHALCOGENIDES ; AUGMENTED-WAVE METHOD ; EQUATION-OF-STATE ; GRAPHENE ; CRSITE3 ; SPINTRONICS ; NANOSHEETS ; COMPOUND ; GAS
WOS研究方向	Physics
语种	英语
WOS记录号	WOS:000404470200008
资助机构	National Key Research and Development Program(2016YFA0300404 ; National Key Research and Development Program(2016YFA0300404 ; National Key Research and Development Program(2016YFA0300404 ; National Key Research and Development Program(2016YFA0300404 ; National Key Research and Development Program(2016YFA0300404 ; National Key Research and Development Program(2016YFA0300404 ; National Key Research and Development Program(2016YFA0300404 ; National Key Research and Development Program(2016YFA0300404 ; National Key Research and Development Program(2016YFA0300404 ; National Key Research and Development Program(2016YFA0300404 ; National Key Research and Development Program(2016YFA0300404 ; National Key Research and Development Program(2016YFA0300404 ; National Key Research and Development Program(2016YFA0300404 ; National Key Research and Development Program(2016YFA0300404 ; National Key Research and Development Program(2016YFA0300404 ; National Key Research and Development Program(2016YFA0300404 ; National Natural Science Foundation of China(U1432139 ; National Natural Science Foundation of China(U1432139 ; National Natural Science Foundation of China(U1432139 ; National Natural Science Foundation of China(U1432139 ; National Natural Science Foundation of China(U1432139 ; National Natural Science Foundation of China(U1432139 ; National Natural Science Foundation of China(U1432139 ; National Natural Science Foundation of China(U1432139 ; National Natural Science Foundation of China(U1432139 ; National Natural Science Foundation of China(U1432139 ; National Natural Science Foundation of China(U1432139 ; National Natural Science Foundation of China(U1432139 ; National Natural Science Foundation of China(U1432139 ; National Natural Science Foundation of China(U1432139 ; National Natural Science Foundation of China(U1432139 ; National Natural Science Foundation of China(U1432139 ; Chinese Academy of Sciences' Large-Scale Scientific Facility(U1432139 ; Chinese Academy of Sciences' Large-Scale Scientific Facility(U1432139 ; Chinese Academy of Sciences' Large-Scale Scientific Facility(U1432139 ; Chinese Academy of Sciences' Large-Scale Scientific Facility(U1432139 ; Chinese Academy of Sciences' Large-Scale Scientific Facility(U1432139 ; Chinese Academy of Sciences' Large-Scale Scientific Facility(U1432139 ; Chinese Academy of Sciences' Large-Scale Scientific Facility(U1432139 ; Chinese Academy of Sciences' Large-Scale Scientific Facility(U1432139 ; Chinese Academy of Sciences' Large-Scale Scientific Facility(U1432139 ; Chinese Academy of Sciences' Large-Scale Scientific Facility(U1432139 ; Chinese Academy of Sciences' Large-Scale Scientific Facility(U1432139 ; Chinese Academy of Sciences' Large-Scale Scientific Facility(U1432139 ; Chinese Academy of Sciences' Large-Scale Scientific Facility(U1432139 ; Chinese Academy of Sciences' Large-Scale Scientific Facility(U1432139 ; Chinese Academy of Sciences' Large-Scale Scientific Facility(U1432139 ; Chinese Academy of Sciences' Large-Scale Scientific Facility(U1432139 ; Key Research Program of Frontier Sciences, CAS(QYZDB-SSW-SLH015) ; Key Research Program of Frontier Sciences, CAS(QYZDB-SSW-SLH015) ; Key Research Program of Frontier Sciences, CAS(QYZDB-SSW-SLH015) ; Key Research Program of Frontier Sciences, CAS(QYZDB-SSW-SLH015) ; Key Research Program of Frontier Sciences, CAS(QYZDB-SSW-SLH015) ; Key Research Program of Frontier Sciences, CAS(QYZDB-SSW-SLH015) ; Key Research Program of Frontier Sciences, CAS(QYZDB-SSW-SLH015) ; Key Research Program of Frontier Sciences, CAS(QYZDB-SSW-SLH015) ; Key Research Program of Frontier Sciences, CAS(QYZDB-SSW-SLH015) ; Key Research Program of Frontier Sciences, CAS(QYZDB-SSW-SLH015) ; Key Research Program of Frontier Sciences, CAS(QYZDB-SSW-SLH015) ; Key Research Program of Frontier Sciences, CAS(QYZDB-SSW-SLH015) ; Key Research Program of Frontier Sciences, CAS(QYZDB-SSW-SLH015) ; Key Research Program of Frontier Sciences, CAS(QYZDB-SSW-SLH015) ; Key Research Program of Frontier Sciences, CAS(QYZDB-SSW-SLH015) ; 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Nature Science Foundation of China(51602079) ; Nature Science Foundation of China(51602079) ; Nature Science Foundation of China(51602079) ; Nature Science Foundation of China(51602079) ; Nature Science Foundation of China(51602079) ; Nature Science Foundation of China(51602079) ; Nature Science Foundation of China(51602079) ; Nature Science Foundation of China(51602079) ; Nature Science Foundation of China(51602079) ; Nature Science Foundation of China(51602079) ; Nature Science Foundation of China(51602079) ; Fundamental Research Funds for the Central Universities of China(372 AUGA5710013115) ; Fundamental Research Funds for the Central Universities of China(372 AUGA5710013115) ; Fundamental Research Funds for the Central Universities of China(372 AUGA5710013115) ; Fundamental Research Funds for the Central Universities of China(372 AUGA5710013115) ; Fundamental Research Funds for the Central Universities of China(372 AUGA5710013115) ; Fundamental Research Funds for the Central Universities of China(372 AUGA5710013115) ; 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内容类型	期刊论文
源URL	[http://ir.hfcas.ac.cn:8080/handle/334002/31962]
专题	合肥物质科学研究院_中科院固体物理研究所
作者单位	1.Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, Hefei 230031, Peoples R China 2.Univ Sci & Technol China, Hefei 230026, Peoples R China 3.Princeton Univ, Dept Mech & Aerosp Engn, Princeton, NJ 08544 USA 4.Chinese Acad Sci, High Field Magnet Lab, Hefei 230031, Peoples R China 5.Harbin Inst Technol, Sch Chem & Chem Engn, MIIT Key Lab Crit Mat Technol New Energy Convers, Harbin 150001, Peoples R China 6.Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Jiangsu, Peoples R China
推荐引用方式 GB/T 7714	Lin, G. T.,Zhuang, H. L.,Luo, X.,et al. Tricritical behavior of the two-dimensional intrinsically ferromagnetic semiconductor CrGeTe3[J]. PHYSICAL REVIEW B,2017,95(24):1-6.
APA	Lin, G. T..,Zhuang, H. L..,Luo, X..,Liu, B. J..,Chen, F. C..,...&Sun, Y. P..(2017).Tricritical behavior of the two-dimensional intrinsically ferromagnetic semiconductor CrGeTe3.PHYSICAL REVIEW B,95(24),1-6.
MLA	Lin, G. T.,et al."Tricritical behavior of the two-dimensional intrinsically ferromagnetic semiconductor CrGeTe3".PHYSICAL REVIEW B 95.24(2017):1-6.