Critical behavior of two-dimensional intrinsically ferromagnetic semiconductor CrI3
CrI3, which belongs to a rare category of two-dimensional (2D) ferromagnetic semiconductors, is of great interest for spintronic device applications. Unlike CrCl3 whose magnetism presents a 2D-Heisenberg behavior, CrI3 exhibits a larger van der Waals gap, smaller cleavage energy, and stronger magnet...
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| Veröffentlicht in: | Applied physics letters 2018-02, Vol.112 (7) |
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| creator | Lin, G. T. Luo, X. Chen, F. C. Yan, J. Gao, J. J. Sun, Y. Tong, W. Tong, P. Lu, W. J. Sheng, Z. G. Song, W. H. Zhu, X. B. Sun, Y. P. |
| description | CrI3, which belongs to a rare category of two-dimensional (2D) ferromagnetic semiconductors, is of great interest for spintronic device applications. Unlike CrCl3 whose magnetism presents a 2D-Heisenberg behavior, CrI3 exhibits a larger van der Waals gap, smaller cleavage energy, and stronger magnetic anisotropy which could lead to a 3D magnetic characteristic. Hence, we investigate the critical behavior of CrI3 in the vicinity of magnetic transition. We use the modified Arrott plot and Kouvel-Fisher method and conduct critical isotherm analysis to estimate the critical exponents near the ferromagnetic phase transition. This shows that the magnetism of CrI3 follows the crossover behavior of a 3D-Ising behavior with mean field type interactions where the critical exponents β, γ, and δ are 0.323 ± 0.006, 0.835 ± 0.005, and 3.585 ± 0.006, respectively, at the Curie temperature of 64 K. We propose that the crossover behavior can be attributed to the strong uniaxial anisotropy and inevitable interlayer coupling. Our experiment demonstrates the applicability of crossover behavior to a 2D ferromagnetic semiconductor. |
| doi_str_mv | 10.1063/1.5019286 |
| format | Article |
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T. ; Luo, X. ; Chen, F. C. ; Yan, J. ; Gao, J. J. ; Sun, Y. ; Tong, W. ; Tong, P. ; Lu, W. J. ; Sheng, Z. G. ; Song, W. H. ; Zhu, X. B. ; Sun, Y. P.</creator><creatorcontrib>Lin, G. T. ; Luo, X. ; Chen, F. C. ; Yan, J. ; Gao, J. J. ; Sun, Y. ; Tong, W. ; Tong, P. ; Lu, W. J. ; Sheng, Z. G. ; Song, W. H. ; Zhu, X. B. ; Sun, Y. P.</creatorcontrib><description>CrI3, which belongs to a rare category of two-dimensional (2D) ferromagnetic semiconductors, is of great interest for spintronic device applications. Unlike CrCl3 whose magnetism presents a 2D-Heisenberg behavior, CrI3 exhibits a larger van der Waals gap, smaller cleavage energy, and stronger magnetic anisotropy which could lead to a 3D magnetic characteristic. Hence, we investigate the critical behavior of CrI3 in the vicinity of magnetic transition. We use the modified Arrott plot and Kouvel-Fisher method and conduct critical isotherm analysis to estimate the critical exponents near the ferromagnetic phase transition. This shows that the magnetism of CrI3 follows the crossover behavior of a 3D-Ising behavior with mean field type interactions where the critical exponents β, γ, and δ are 0.323 ± 0.006, 0.835 ± 0.005, and 3.585 ± 0.006, respectively, at the Curie temperature of 64 K. We propose that the crossover behavior can be attributed to the strong uniaxial anisotropy and inevitable interlayer coupling. Our experiment demonstrates the applicability of crossover behavior to a 2D ferromagnetic semiconductor.</description><identifier>ISSN: 0003-6951</identifier><identifier>EISSN: 1077-3118</identifier><identifier>DOI: 10.1063/1.5019286</identifier><identifier>CODEN: APPLAB</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>Applied physics ; Crossovers ; Curie temperature ; Exponents ; Ferromagnetic phases ; Ferromagnetism ; Interlayers ; Ising model ; Magnetic anisotropy ; Magnetic properties ; Magnetic transitions ; Magnetism ; Phase transitions</subject><ispartof>Applied physics letters, 2018-02, Vol.112 (7)</ispartof><rights>Author(s)</rights><rights>2018 Author(s). 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J.</creatorcontrib><creatorcontrib>Sun, Y.</creatorcontrib><creatorcontrib>Tong, W.</creatorcontrib><creatorcontrib>Tong, P.</creatorcontrib><creatorcontrib>Lu, W. J.</creatorcontrib><creatorcontrib>Sheng, Z. G.</creatorcontrib><creatorcontrib>Song, W. H.</creatorcontrib><creatorcontrib>Zhu, X. B.</creatorcontrib><creatorcontrib>Sun, Y. P.</creatorcontrib><title>Critical behavior of two-dimensional intrinsically ferromagnetic semiconductor CrI3</title><title>Applied physics letters</title><description>CrI3, which belongs to a rare category of two-dimensional (2D) ferromagnetic semiconductors, is of great interest for spintronic device applications. Unlike CrCl3 whose magnetism presents a 2D-Heisenberg behavior, CrI3 exhibits a larger van der Waals gap, smaller cleavage energy, and stronger magnetic anisotropy which could lead to a 3D magnetic characteristic. Hence, we investigate the critical behavior of CrI3 in the vicinity of magnetic transition. We use the modified Arrott plot and Kouvel-Fisher method and conduct critical isotherm analysis to estimate the critical exponents near the ferromagnetic phase transition. This shows that the magnetism of CrI3 follows the crossover behavior of a 3D-Ising behavior with mean field type interactions where the critical exponents β, γ, and δ are 0.323 ± 0.006, 0.835 ± 0.005, and 3.585 ± 0.006, respectively, at the Curie temperature of 64 K. We propose that the crossover behavior can be attributed to the strong uniaxial anisotropy and inevitable interlayer coupling. Our experiment demonstrates the applicability of crossover behavior to a 2D ferromagnetic semiconductor.</description><subject>Applied physics</subject><subject>Crossovers</subject><subject>Curie temperature</subject><subject>Exponents</subject><subject>Ferromagnetic phases</subject><subject>Ferromagnetism</subject><subject>Interlayers</subject><subject>Ising model</subject><subject>Magnetic anisotropy</subject><subject>Magnetic properties</subject><subject>Magnetic transitions</subject><subject>Magnetism</subject><subject>Phase transitions</subject><issn>0003-6951</issn><issn>1077-3118</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNp9kEtLAzEUhYMoWKsL_8GAK4XR3KSTx1IGH4WCC3UdMplEU9pJTdJK_72RFl0Iri6H-53DvQehc8DXgBm9gesGgySCHaARYM5rCiAO0QhjTGsmGzhGJynNi2wIpSP03EafvdGLqrPveuNDrIKr8meoe7-0Q_JhKDs_5OiLKNxiWzkbY1jqt8EWZ5Xs0psw9GuTi7mNU3qKjpxeJHu2n2P0en_30j7Ws6eHaXs7qw0lPNecOyKlFW7iOsed1bIzDbMdwcYIDngy0YIYoR1lPeMUeiNcQwzBjvXSMkfH6GKXu4rhY21TVvOwjuXepAhAI7CUQAp1uaNMDClF69Qq-qWOWwVYfXemQO07K-zVjk3GZ53L8z_wJsRfUK169x_8N_kL5rN7rw</recordid><startdate>20180212</startdate><enddate>20180212</enddate><creator>Lin, G. T.</creator><creator>Luo, X.</creator><creator>Chen, F. C.</creator><creator>Yan, J.</creator><creator>Gao, J. J.</creator><creator>Sun, Y.</creator><creator>Tong, W.</creator><creator>Tong, P.</creator><creator>Lu, W. J.</creator><creator>Sheng, Z. G.</creator><creator>Song, W. H.</creator><creator>Zhu, X. B.</creator><creator>Sun, Y. P.</creator><general>American Institute of Physics</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0002-4627-6753</orcidid><orcidid>https://orcid.org/0000-0002-3833-7501</orcidid><orcidid>https://orcid.org/0000-0002-0980-5265</orcidid></search><sort><creationdate>20180212</creationdate><title>Critical behavior of two-dimensional intrinsically ferromagnetic semiconductor CrI3</title><author>Lin, G. T. ; Luo, X. ; Chen, F. C. ; Yan, J. ; Gao, J. J. ; Sun, Y. ; Tong, W. ; Tong, P. ; Lu, W. J. ; Sheng, Z. G. ; Song, W. H. ; Zhu, X. B. ; Sun, Y. 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J.</creatorcontrib><creatorcontrib>Sun, Y.</creatorcontrib><creatorcontrib>Tong, W.</creatorcontrib><creatorcontrib>Tong, P.</creatorcontrib><creatorcontrib>Lu, W. J.</creatorcontrib><creatorcontrib>Sheng, Z. G.</creatorcontrib><creatorcontrib>Song, W. H.</creatorcontrib><creatorcontrib>Zhu, X. B.</creatorcontrib><creatorcontrib>Sun, Y. P.</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Applied physics letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lin, G. T.</au><au>Luo, X.</au><au>Chen, F. C.</au><au>Yan, J.</au><au>Gao, J. J.</au><au>Sun, Y.</au><au>Tong, W.</au><au>Tong, P.</au><au>Lu, W. J.</au><au>Sheng, Z. G.</au><au>Song, W. H.</au><au>Zhu, X. B.</au><au>Sun, Y. P.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Critical behavior of two-dimensional intrinsically ferromagnetic semiconductor CrI3</atitle><jtitle>Applied physics letters</jtitle><date>2018-02-12</date><risdate>2018</risdate><volume>112</volume><issue>7</issue><issn>0003-6951</issn><eissn>1077-3118</eissn><coden>APPLAB</coden><abstract>CrI3, which belongs to a rare category of two-dimensional (2D) ferromagnetic semiconductors, is of great interest for spintronic device applications. Unlike CrCl3 whose magnetism presents a 2D-Heisenberg behavior, CrI3 exhibits a larger van der Waals gap, smaller cleavage energy, and stronger magnetic anisotropy which could lead to a 3D magnetic characteristic. Hence, we investigate the critical behavior of CrI3 in the vicinity of magnetic transition. We use the modified Arrott plot and Kouvel-Fisher method and conduct critical isotherm analysis to estimate the critical exponents near the ferromagnetic phase transition. This shows that the magnetism of CrI3 follows the crossover behavior of a 3D-Ising behavior with mean field type interactions where the critical exponents β, γ, and δ are 0.323 ± 0.006, 0.835 ± 0.005, and 3.585 ± 0.006, respectively, at the Curie temperature of 64 K. We propose that the crossover behavior can be attributed to the strong uniaxial anisotropy and inevitable interlayer coupling. Our experiment demonstrates the applicability of crossover behavior to a 2D ferromagnetic semiconductor.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/1.5019286</doi><tpages>5</tpages><orcidid>https://orcid.org/0000-0002-4627-6753</orcidid><orcidid>https://orcid.org/0000-0002-3833-7501</orcidid><orcidid>https://orcid.org/0000-0002-0980-5265</orcidid></addata></record> |
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| subjects | Applied physics Crossovers Curie temperature Exponents Ferromagnetic phases Ferromagnetism Interlayers Ising model Magnetic anisotropy Magnetic properties Magnetic transitions Magnetism Phase transitions |
| title | Critical behavior of two-dimensional intrinsically ferromagnetic semiconductor CrI3 |
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