Ab initio study of the magnetic properties of possible phases in binary Fe-Pd alloys
•Ab-initio investigation of phase stability, of the experimentally proposed phases in A1 to L10 structural transformation.•Tetragonal L10* modified, cubic FePd3, tetragonal FePd2 and orthorhombic Fe3Pd5 are energetically stable and likely to form.•Magnetization, Curie temperature and magnetocrystall...
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| Veröffentlicht in: | Journal of magnetism and magnetic materials 2020-04, Vol.499, p.166266, Article 166266 |
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| container_title | Journal of magnetism and magnetic materials |
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| creator | Pathak, R. Golovnia, O.A. Gerasimov, E.G. Popov, A.G. Vlasova, N.I. Skomski, R. Kashyap, A. |
| description | •Ab-initio investigation of phase stability, of the experimentally proposed phases in A1 to L10 structural transformation.•Tetragonal L10* modified, cubic FePd3, tetragonal FePd2 and orthorhombic Fe3Pd5 are energetically stable and likely to form.•Magnetization, Curie temperature and magnetocrystalline anisotropy studies of all the phases.•L10 phase has an easy-axis anisotropy and sufficiently high positive value of the constant of magnetocrystalline anisotropy.•Ordered L10* modified and tetragonal FePd2 phases have easy plane anisotropy.
Our previous Mössbauer studies have shown that the A1 to L10 structural transformation in equiatomic FePd is a complex transformation of the cascade type. The FePd ordering involves more phases that one may expect. In addition to the ordered L10 phase it can proceed via the cubic ordered L12 (Pm-3m) phase and intermediate low-symmetry phases, namely the disordered tetragonal phase A6 (I4/mmm), the modified L10* phase (P4/mmm), the ordered hexagonal Fe2Pd and FePd2 (P-3m1), the ordered tetragonal FePd2 (I4/mmm) and probably, the orthorhombic 5:3 (Cmmm) phases. We theoretically investigate the phase stability of proposed phases using first principle density functional calculations. Structurally, tetragonal L10* modified, cubic FePd3, tetragonal FePd2 and orthorhombic Fe3Pd5 are energetically stable and likely to form in the course of the A1 to L10 structural transformation. All these phases show interesting magnetic properties. We report magnetization, Curie temperature and magnetocrystalline anisotropy of these phases. |
| doi_str_mv | 10.1016/j.jmmm.2019.166266 |
| format | Article |
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Our previous Mössbauer studies have shown that the A1 to L10 structural transformation in equiatomic FePd is a complex transformation of the cascade type. The FePd ordering involves more phases that one may expect. In addition to the ordered L10 phase it can proceed via the cubic ordered L12 (Pm-3m) phase and intermediate low-symmetry phases, namely the disordered tetragonal phase A6 (I4/mmm), the modified L10* phase (P4/mmm), the ordered hexagonal Fe2Pd and FePd2 (P-3m1), the ordered tetragonal FePd2 (I4/mmm) and probably, the orthorhombic 5:3 (Cmmm) phases. We theoretically investigate the phase stability of proposed phases using first principle density functional calculations. Structurally, tetragonal L10* modified, cubic FePd3, tetragonal FePd2 and orthorhombic Fe3Pd5 are energetically stable and likely to form in the course of the A1 to L10 structural transformation. All these phases show interesting magnetic properties. We report magnetization, Curie temperature and magnetocrystalline anisotropy of these phases.</description><identifier>ISSN: 0304-8853</identifier><identifier>EISSN: 1873-4766</identifier><identifier>DOI: 10.1016/j.jmmm.2019.166266</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Ab-initio simulation ; Anisotropy ; Binary alloys ; Curie temperature ; Fe-Pd ; Ferrous alloys ; First principles ; Intermetallic compounds ; Iron compounds ; Magnetic moments ; Magnetic properties ; Magnetism ; Magnetocrystalline anisotropy ; Palladium compounds ; Phase stability ; Phases ; Transformations</subject><ispartof>Journal of magnetism and magnetic materials, 2020-04, Vol.499, p.166266, Article 166266</ispartof><rights>2019 Elsevier B.V.</rights><rights>Copyright Elsevier BV Apr 1, 2020</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c328t-cf25353f9bfa6bd38e71a234cdbba31937859400fd169edc80e8103f6b4e254f3</citedby><cites>FETCH-LOGICAL-c328t-cf25353f9bfa6bd38e71a234cdbba31937859400fd169edc80e8103f6b4e254f3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.jmmm.2019.166266$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3548,27923,27924,45994</link.rule.ids></links><search><creatorcontrib>Pathak, R.</creatorcontrib><creatorcontrib>Golovnia, O.A.</creatorcontrib><creatorcontrib>Gerasimov, E.G.</creatorcontrib><creatorcontrib>Popov, A.G.</creatorcontrib><creatorcontrib>Vlasova, N.I.</creatorcontrib><creatorcontrib>Skomski, R.</creatorcontrib><creatorcontrib>Kashyap, A.</creatorcontrib><title>Ab initio study of the magnetic properties of possible phases in binary Fe-Pd alloys</title><title>Journal of magnetism and magnetic materials</title><description>•Ab-initio investigation of phase stability, of the experimentally proposed phases in A1 to L10 structural transformation.•Tetragonal L10* modified, cubic FePd3, tetragonal FePd2 and orthorhombic Fe3Pd5 are energetically stable and likely to form.•Magnetization, Curie temperature and magnetocrystalline anisotropy studies of all the phases.•L10 phase has an easy-axis anisotropy and sufficiently high positive value of the constant of magnetocrystalline anisotropy.•Ordered L10* modified and tetragonal FePd2 phases have easy plane anisotropy.
Our previous Mössbauer studies have shown that the A1 to L10 structural transformation in equiatomic FePd is a complex transformation of the cascade type. The FePd ordering involves more phases that one may expect. In addition to the ordered L10 phase it can proceed via the cubic ordered L12 (Pm-3m) phase and intermediate low-symmetry phases, namely the disordered tetragonal phase A6 (I4/mmm), the modified L10* phase (P4/mmm), the ordered hexagonal Fe2Pd and FePd2 (P-3m1), the ordered tetragonal FePd2 (I4/mmm) and probably, the orthorhombic 5:3 (Cmmm) phases. We theoretically investigate the phase stability of proposed phases using first principle density functional calculations. Structurally, tetragonal L10* modified, cubic FePd3, tetragonal FePd2 and orthorhombic Fe3Pd5 are energetically stable and likely to form in the course of the A1 to L10 structural transformation. All these phases show interesting magnetic properties. We report magnetization, Curie temperature and magnetocrystalline anisotropy of these phases.</description><subject>Ab-initio simulation</subject><subject>Anisotropy</subject><subject>Binary alloys</subject><subject>Curie temperature</subject><subject>Fe-Pd</subject><subject>Ferrous alloys</subject><subject>First principles</subject><subject>Intermetallic compounds</subject><subject>Iron compounds</subject><subject>Magnetic moments</subject><subject>Magnetic properties</subject><subject>Magnetism</subject><subject>Magnetocrystalline anisotropy</subject><subject>Palladium compounds</subject><subject>Phase stability</subject><subject>Phases</subject><subject>Transformations</subject><issn>0304-8853</issn><issn>1873-4766</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp9kE1LxDAQhoMouK7-AU8Bz61Jk6YpeFkWV4UFPaznkKYTN6VfJllh_70t9expYGbemYcHoXtKUkqoeGzSpuu6NCO0TKkQmRAXaEVlwRJeCHGJVoQRnkiZs2t0E0JDCKFcihU6bCrsehfdgEM81Wc8WByPgDv91UN0Bo9-GMFHB2EejUMIrmoBj0cdppbrceV67c94B8lHjXXbDudwi66sbgPc_dU1-tw9H7avyf795W272SeGZTImxmY5y5ktK6tFVTMJBdUZ46auKs1oyQqZl5wQW1NRQm0kAUkJs6LikOXcsjV6WO5OkN8nCFE1w8n300uVsVxyKWlOp61s2TJ-ovdg1ehdNzErStRsTzVqtqdme2qxN4WelhBM_D8OvArGQW-gdh5MVPXg_ov_Ar5aeEI</recordid><startdate>20200401</startdate><enddate>20200401</enddate><creator>Pathak, R.</creator><creator>Golovnia, O.A.</creator><creator>Gerasimov, E.G.</creator><creator>Popov, A.G.</creator><creator>Vlasova, N.I.</creator><creator>Skomski, R.</creator><creator>Kashyap, A.</creator><general>Elsevier B.V</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20200401</creationdate><title>Ab initio study of the magnetic properties of possible phases in binary Fe-Pd alloys</title><author>Pathak, R. ; Golovnia, O.A. ; Gerasimov, E.G. ; Popov, A.G. ; Vlasova, N.I. ; Skomski, R. ; Kashyap, A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c328t-cf25353f9bfa6bd38e71a234cdbba31937859400fd169edc80e8103f6b4e254f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Ab-initio simulation</topic><topic>Anisotropy</topic><topic>Binary alloys</topic><topic>Curie temperature</topic><topic>Fe-Pd</topic><topic>Ferrous alloys</topic><topic>First principles</topic><topic>Intermetallic compounds</topic><topic>Iron compounds</topic><topic>Magnetic moments</topic><topic>Magnetic properties</topic><topic>Magnetism</topic><topic>Magnetocrystalline anisotropy</topic><topic>Palladium compounds</topic><topic>Phase stability</topic><topic>Phases</topic><topic>Transformations</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Pathak, R.</creatorcontrib><creatorcontrib>Golovnia, O.A.</creatorcontrib><creatorcontrib>Gerasimov, E.G.</creatorcontrib><creatorcontrib>Popov, A.G.</creatorcontrib><creatorcontrib>Vlasova, N.I.</creatorcontrib><creatorcontrib>Skomski, R.</creatorcontrib><creatorcontrib>Kashyap, A.</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of magnetism and magnetic materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Pathak, R.</au><au>Golovnia, O.A.</au><au>Gerasimov, E.G.</au><au>Popov, A.G.</au><au>Vlasova, N.I.</au><au>Skomski, R.</au><au>Kashyap, A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Ab initio study of the magnetic properties of possible phases in binary Fe-Pd alloys</atitle><jtitle>Journal of magnetism and magnetic materials</jtitle><date>2020-04-01</date><risdate>2020</risdate><volume>499</volume><spage>166266</spage><pages>166266-</pages><artnum>166266</artnum><issn>0304-8853</issn><eissn>1873-4766</eissn><abstract>•Ab-initio investigation of phase stability, of the experimentally proposed phases in A1 to L10 structural transformation.•Tetragonal L10* modified, cubic FePd3, tetragonal FePd2 and orthorhombic Fe3Pd5 are energetically stable and likely to form.•Magnetization, Curie temperature and magnetocrystalline anisotropy studies of all the phases.•L10 phase has an easy-axis anisotropy and sufficiently high positive value of the constant of magnetocrystalline anisotropy.•Ordered L10* modified and tetragonal FePd2 phases have easy plane anisotropy.
Our previous Mössbauer studies have shown that the A1 to L10 structural transformation in equiatomic FePd is a complex transformation of the cascade type. The FePd ordering involves more phases that one may expect. In addition to the ordered L10 phase it can proceed via the cubic ordered L12 (Pm-3m) phase and intermediate low-symmetry phases, namely the disordered tetragonal phase A6 (I4/mmm), the modified L10* phase (P4/mmm), the ordered hexagonal Fe2Pd and FePd2 (P-3m1), the ordered tetragonal FePd2 (I4/mmm) and probably, the orthorhombic 5:3 (Cmmm) phases. We theoretically investigate the phase stability of proposed phases using first principle density functional calculations. Structurally, tetragonal L10* modified, cubic FePd3, tetragonal FePd2 and orthorhombic Fe3Pd5 are energetically stable and likely to form in the course of the A1 to L10 structural transformation. All these phases show interesting magnetic properties. We report magnetization, Curie temperature and magnetocrystalline anisotropy of these phases.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.jmmm.2019.166266</doi></addata></record> |
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| subjects | Ab-initio simulation Anisotropy Binary alloys Curie temperature Fe-Pd Ferrous alloys First principles Intermetallic compounds Iron compounds Magnetic moments Magnetic properties Magnetism Magnetocrystalline anisotropy Palladium compounds Phase stability Phases Transformations |
| title | Ab initio study of the magnetic properties of possible phases in binary Fe-Pd alloys |
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