Physical properties of single crystalline RMg2Cu9 (R=Y,Ce−Nd,Gd−Dy,Yb) and the search for in-plane magnetic anisotropy in hexagonal systems
Single crystals of RMg2Cu9 (R=Y, Ce-Nd, Gd-Dy, Yb) were grown using a high-temperature solution growth technique and were characterized by measurements of room-temperature x-ray diffraction, temperature-dependent specific heat, and temperature- and field-dependent resistivity and anisotropic magneti...
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| Veröffentlicht in: | Physical review. B 2016-10, Vol.94 (14), p.144434 |
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| creator | Kong, Tai Meier, William R Lin, Qisheng Saunders, Scott M Bud'ko, Sergey L Flint, Rebecca Canfield, Paul C |
| description | Single crystals of RMg2Cu9 (R=Y, Ce-Nd, Gd-Dy, Yb) were grown using a high-temperature solution growth technique and were characterized by measurements of room-temperature x-ray diffraction, temperature-dependent specific heat, and temperature- and field-dependent resistivity and anisotropic magnetization. YMg2Cu9 is a non-local-moment-bearing metal with an electronic specific heat coefficient, γ∼15 mJ/mol K2. Yb is divalent and basically non-moment-bearing in YbMg2Cu9. Ce is trivalent in CeMg2Cu9 with two magnetic transitions being observed at 2.1 K and 1.5 K. PrMg2Cu9 does not exhibit any magnetic phase transition down to 0.5 K. The other members being studied (R=Nd, Gd-Dy) all exhibit antiferromagnetic transitions at low temperatures ranging from 3.2 K for NdMg2Cu9 to 11.9 K for TbMg2Cu9. Whereas GdMg2Cu9 is isotropic in its paramagnetic state due to zero angular momentum (L=0), all the other local-moment-bearing members manifest an anisotropic, planar magnetization in their paramagnetic states. To further study this planar anisotropy, detailed angular-dependent magnetization was carried out on magnetically diluted (Y0.99Tb0.01)Mg2Cu9 and (Y0.99Dy0.01)Mg2Cu9. Despite the strong, planar magnetization anisotropy, the in-plane magnetic anisotropy is weak and field-dependent. A set of crystal electric field parameters are proposed to explain the observed magnetic anisotropy. |
| doi_str_mv | 10.1103/PhysRevB.94.144434 |
| format | Article |
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YMg2Cu9 is a non-local-moment-bearing metal with an electronic specific heat coefficient, γ∼15 mJ/mol K2. Yb is divalent and basically non-moment-bearing in YbMg2Cu9. Ce is trivalent in CeMg2Cu9 with two magnetic transitions being observed at 2.1 K and 1.5 K. PrMg2Cu9 does not exhibit any magnetic phase transition down to 0.5 K. The other members being studied (R=Nd, Gd-Dy) all exhibit antiferromagnetic transitions at low temperatures ranging from 3.2 K for NdMg2Cu9 to 11.9 K for TbMg2Cu9. Whereas GdMg2Cu9 is isotropic in its paramagnetic state due to zero angular momentum (L=0), all the other local-moment-bearing members manifest an anisotropic, planar magnetization in their paramagnetic states. To further study this planar anisotropy, detailed angular-dependent magnetization was carried out on magnetically diluted (Y0.99Tb0.01)Mg2Cu9 and (Y0.99Dy0.01)Mg2Cu9. Despite the strong, planar magnetization anisotropy, the in-plane magnetic anisotropy is weak and field-dependent. A set of crystal electric field parameters are proposed to explain the observed magnetic anisotropy.</description><identifier>ISSN: 2469-9950</identifier><identifier>EISSN: 2469-9969</identifier><identifier>DOI: 10.1103/PhysRevB.94.144434</identifier><language>eng</language><publisher>College Park: American Physical Society</publisher><subject>Angular momentum ; Anisotropy ; Antiferromagnetism ; Bearing ; Crystals ; Dysprosium ; Gadolinium ; Magnetic anisotropy ; Magnetic transitions ; Magnetization ; Phase transitions ; Physical properties ; Single crystals ; Specific heat ; Temperature ; Temperature dependence ; X-ray diffraction ; Ytterbium</subject><ispartof>Physical review. 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B</title><description>Single crystals of RMg2Cu9 (R=Y, Ce-Nd, Gd-Dy, Yb) were grown using a high-temperature solution growth technique and were characterized by measurements of room-temperature x-ray diffraction, temperature-dependent specific heat, and temperature- and field-dependent resistivity and anisotropic magnetization. YMg2Cu9 is a non-local-moment-bearing metal with an electronic specific heat coefficient, γ∼15 mJ/mol K2. Yb is divalent and basically non-moment-bearing in YbMg2Cu9. Ce is trivalent in CeMg2Cu9 with two magnetic transitions being observed at 2.1 K and 1.5 K. PrMg2Cu9 does not exhibit any magnetic phase transition down to 0.5 K. The other members being studied (R=Nd, Gd-Dy) all exhibit antiferromagnetic transitions at low temperatures ranging from 3.2 K for NdMg2Cu9 to 11.9 K for TbMg2Cu9. Whereas GdMg2Cu9 is isotropic in its paramagnetic state due to zero angular momentum (L=0), all the other local-moment-bearing members manifest an anisotropic, planar magnetization in their paramagnetic states. To further study this planar anisotropy, detailed angular-dependent magnetization was carried out on magnetically diluted (Y0.99Tb0.01)Mg2Cu9 and (Y0.99Dy0.01)Mg2Cu9. Despite the strong, planar magnetization anisotropy, the in-plane magnetic anisotropy is weak and field-dependent. A set of crystal electric field parameters are proposed to explain the observed magnetic anisotropy.</description><subject>Angular momentum</subject><subject>Anisotropy</subject><subject>Antiferromagnetism</subject><subject>Bearing</subject><subject>Crystals</subject><subject>Dysprosium</subject><subject>Gadolinium</subject><subject>Magnetic anisotropy</subject><subject>Magnetic transitions</subject><subject>Magnetization</subject><subject>Phase transitions</subject><subject>Physical properties</subject><subject>Single crystals</subject><subject>Specific heat</subject><subject>Temperature</subject><subject>Temperature dependence</subject><subject>X-ray diffraction</subject><subject>Ytterbium</subject><issn>2469-9950</issn><issn>2469-9969</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNo9j81KxDAUhYMoOIzzAq4CbhSmNUnTNlm40KqjMP4w6GJWQ5rc_gydtjYdsW_gTvARfRIjiqtz4Z5zv3MROqTEp5QEp4_FYBfweuFL7lPOecB30IjxSHpSRnL3fw7JPppYuyaE0IjImMgR-vgJl1pVuO2aFrq-BIubDNuyzivAuhtsr6qqrAEv7nKWbCU-Xpwtpwl8vX_em-nMOL0cpsv0BKva4L4AbEF1usBZ0-Gy9tpKufBG5TX0pXam0ja9Yw1uiQt4U3lTO7x1INjYA7SXqcrC5E_H6Pn66im58eYPs9vkfO61lAa9p6RSwkCcpcyIVHMQkhsZhWmWZpkJuVCGRozokOgIhEpjzRUTTHJiUsmECMbo6Peue_tlC7ZfrZtt54rYFaNUxM5CouAbz9xsXA</recordid><startdate>20161024</startdate><enddate>20161024</enddate><creator>Kong, Tai</creator><creator>Meier, William R</creator><creator>Lin, Qisheng</creator><creator>Saunders, Scott M</creator><creator>Bud'ko, Sergey L</creator><creator>Flint, Rebecca</creator><creator>Canfield, Paul C</creator><general>American Physical Society</general><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>H8D</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20161024</creationdate><title>Physical properties of single crystalline RMg2Cu9 (R=Y,Ce−Nd,Gd−Dy,Yb) and the search for in-plane magnetic anisotropy in hexagonal systems</title><author>Kong, Tai ; Meier, William R ; Lin, Qisheng ; Saunders, Scott M ; Bud'ko, Sergey L ; Flint, Rebecca ; Canfield, Paul C</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p113t-a9aa8de7fb2d8bc4e894d965bfbffd548ad1620c50c6e8ab7c4a282940db92883</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Angular momentum</topic><topic>Anisotropy</topic><topic>Antiferromagnetism</topic><topic>Bearing</topic><topic>Crystals</topic><topic>Dysprosium</topic><topic>Gadolinium</topic><topic>Magnetic anisotropy</topic><topic>Magnetic transitions</topic><topic>Magnetization</topic><topic>Phase transitions</topic><topic>Physical properties</topic><topic>Single crystals</topic><topic>Specific heat</topic><topic>Temperature</topic><topic>Temperature dependence</topic><topic>X-ray diffraction</topic><topic>Ytterbium</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kong, Tai</creatorcontrib><creatorcontrib>Meier, William R</creatorcontrib><creatorcontrib>Lin, Qisheng</creatorcontrib><creatorcontrib>Saunders, Scott M</creatorcontrib><creatorcontrib>Bud'ko, Sergey L</creatorcontrib><creatorcontrib>Flint, Rebecca</creatorcontrib><creatorcontrib>Canfield, Paul C</creatorcontrib><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Physical review. B</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kong, Tai</au><au>Meier, William R</au><au>Lin, Qisheng</au><au>Saunders, Scott M</au><au>Bud'ko, Sergey L</au><au>Flint, Rebecca</au><au>Canfield, Paul C</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Physical properties of single crystalline RMg2Cu9 (R=Y,Ce−Nd,Gd−Dy,Yb) and the search for in-plane magnetic anisotropy in hexagonal systems</atitle><jtitle>Physical review. B</jtitle><date>2016-10-24</date><risdate>2016</risdate><volume>94</volume><issue>14</issue><spage>144434</spage><pages>144434-</pages><issn>2469-9950</issn><eissn>2469-9969</eissn><abstract>Single crystals of RMg2Cu9 (R=Y, Ce-Nd, Gd-Dy, Yb) were grown using a high-temperature solution growth technique and were characterized by measurements of room-temperature x-ray diffraction, temperature-dependent specific heat, and temperature- and field-dependent resistivity and anisotropic magnetization. YMg2Cu9 is a non-local-moment-bearing metal with an electronic specific heat coefficient, γ∼15 mJ/mol K2. Yb is divalent and basically non-moment-bearing in YbMg2Cu9. Ce is trivalent in CeMg2Cu9 with two magnetic transitions being observed at 2.1 K and 1.5 K. PrMg2Cu9 does not exhibit any magnetic phase transition down to 0.5 K. The other members being studied (R=Nd, Gd-Dy) all exhibit antiferromagnetic transitions at low temperatures ranging from 3.2 K for NdMg2Cu9 to 11.9 K for TbMg2Cu9. Whereas GdMg2Cu9 is isotropic in its paramagnetic state due to zero angular momentum (L=0), all the other local-moment-bearing members manifest an anisotropic, planar magnetization in their paramagnetic states. To further study this planar anisotropy, detailed angular-dependent magnetization was carried out on magnetically diluted (Y0.99Tb0.01)Mg2Cu9 and (Y0.99Dy0.01)Mg2Cu9. Despite the strong, planar magnetization anisotropy, the in-plane magnetic anisotropy is weak and field-dependent. A set of crystal electric field parameters are proposed to explain the observed magnetic anisotropy.</abstract><cop>College Park</cop><pub>American Physical Society</pub><doi>10.1103/PhysRevB.94.144434</doi><oa>free_for_read</oa></addata></record> |
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| subjects | Angular momentum Anisotropy Antiferromagnetism Bearing Crystals Dysprosium Gadolinium Magnetic anisotropy Magnetic transitions Magnetization Phase transitions Physical properties Single crystals Specific heat Temperature Temperature dependence X-ray diffraction Ytterbium |
| title | Physical properties of single crystalline RMg2Cu9 (R=Y,Ce−Nd,Gd−Dy,Yb) and the search for in-plane magnetic anisotropy in hexagonal systems |
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