Tuning the magnetic and structural properties of a three-metal boride alloy: Mn0.95−δFe1.05+δ−xCoxB
We present a comprehensive study of the three-metal boride alloys Mn0.95−δFe1.05 + δ−xCoxB (δ=0−0.15 and x=0−1.05) synthesized via arc melting and annealing. The alloys crystallize in a body-centered tetragonal unit cell in the same space group (I4/mcm) as the parent compound Mn2B. A small amount of...
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| Veröffentlicht in: | Journal of alloys and compounds 2019-10, Vol.805, p.909-914 |
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| container_title | Journal of alloys and compounds |
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| creator | Abramchuk, Mykola Mier, Thomas Tafti, Fazel |
| description | We present a comprehensive study of the three-metal boride alloys Mn0.95−δFe1.05 + δ−xCoxB (δ=0−0.15 and x=0−1.05) synthesized via arc melting and annealing. The alloys crystallize in a body-centered tetragonal unit cell in the same space group (I4/mcm) as the parent compound Mn2B. A small amount of MB (M = Mn, Fe, Co) impurity forms in the as-cast samples which is removed by acid treatment. Rietveld refinement on the powder X-ray data reveals an anisotropic variation of lattice parameters in the series. The c-axis increases with increasing Co content but the a-axis decreases. Magnetic measurements show a non-monotonic variation of both Tc and the saturated magnetization Ms as a function of x. These findings highlight the tunable nature of Mn0.95−δFe1.05 + δ−xCoxB and motivate further studies of metal-rich boride alloys. |
| doi_str_mv | 10.1016/j.jallcom.2019.07.119 |
| format | Article |
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The alloys crystallize in a body-centered tetragonal unit cell in the same space group (I4/mcm) as the parent compound Mn2B. A small amount of MB (M = Mn, Fe, Co) impurity forms in the as-cast samples which is removed by acid treatment. Rietveld refinement on the powder X-ray data reveals an anisotropic variation of lattice parameters in the series. The c-axis increases with increasing Co content but the a-axis decreases. Magnetic measurements show a non-monotonic variation of both Tc and the saturated magnetization Ms as a function of x. 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These findings highlight the tunable nature of Mn0.95−δFe1.05 + δ−xCoxB and motivate further studies of metal-rich boride alloys.</description><subject>Alloys</subject><subject>boride</subject><subject>Borides</subject><subject>Crystallography</subject><subject>Electric arc melting</subject><subject>Lattice parameters</subject><subject>Magnetic measurement</subject><subject>Magnetic properties</subject><subject>Magnetism</subject><subject>Magnetocaloric</subject><subject>Manganese base alloys</subject><subject>Unit cell</subject><issn>0925-8388</issn><issn>1873-4669</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNotkE1OwzAQRi0EEqVwBCRLLFGCf-LEZoOgooBUxKasLceZFkdtUhwHlRuw5iw9Rw_BSXDVrkaj72m-0UPokpKUEprf1GltFgvbLlNGqEpJkVKqjtCAyoInWZ6rYzQgiolEcilP0VnX1YREktMBctO-cc0chw_ASzNvIDiLTVPhLvjeht6bBV75dgU-OOhwO8Mmsh4gWUKIWdl6VwGO_e33LX5tSKrE38_vdjMGmhJxvd3EbT1q1w_n6GRmFh1cHOYQvY8fp6PnZPL29DK6nyTAuAqJyCvOshlRpjCqJBRkzjKZGWFizCUV1ojcVqqwkklVKmIs4UbSUmRlVWSWD9HV_m58-7OHLui67X0TKzVjiivBJCeRuttTEF_5cuB1Zx00FirnwQZdtU5Tond-da0PfvXOryaFjn75P0XQc3w</recordid><startdate>20191015</startdate><enddate>20191015</enddate><creator>Abramchuk, Mykola</creator><creator>Mier, Thomas</creator><creator>Tafti, Fazel</creator><general>Elsevier B.V</general><general>Elsevier BV</general><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><orcidid>https://orcid.org/0000-0002-5723-4604</orcidid></search><sort><creationdate>20191015</creationdate><title>Tuning the magnetic and structural properties of a three-metal boride alloy: Mn0.95−δFe1.05+δ−xCoxB</title><author>Abramchuk, Mykola ; Mier, Thomas ; Tafti, Fazel</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-e239t-56d324f09a7a9b01e862484a5a2393815ca56cd97c8289b90ac03a81b54bd74c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Alloys</topic><topic>boride</topic><topic>Borides</topic><topic>Crystallography</topic><topic>Electric arc melting</topic><topic>Lattice parameters</topic><topic>Magnetic measurement</topic><topic>Magnetic properties</topic><topic>Magnetism</topic><topic>Magnetocaloric</topic><topic>Manganese base alloys</topic><topic>Unit cell</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Abramchuk, Mykola</creatorcontrib><creatorcontrib>Mier, Thomas</creatorcontrib><creatorcontrib>Tafti, Fazel</creatorcontrib><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of alloys and compounds</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Abramchuk, Mykola</au><au>Mier, Thomas</au><au>Tafti, Fazel</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Tuning the magnetic and structural properties of a three-metal boride alloy: Mn0.95−δFe1.05+δ−xCoxB</atitle><jtitle>Journal of alloys and compounds</jtitle><date>2019-10-15</date><risdate>2019</risdate><volume>805</volume><spage>909</spage><epage>914</epage><pages>909-914</pages><issn>0925-8388</issn><eissn>1873-4669</eissn><abstract>We present a comprehensive study of the three-metal boride alloys Mn0.95−δFe1.05 + δ−xCoxB (δ=0−0.15 and x=0−1.05) synthesized via arc melting and annealing. 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| subjects | Alloys boride Borides Crystallography Electric arc melting Lattice parameters Magnetic measurement Magnetic properties Magnetism Magnetocaloric Manganese base alloys Unit cell |
| title | Tuning the magnetic and structural properties of a three-metal boride alloy: Mn0.95−δFe1.05+δ−xCoxB |
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