Neutron inelastic scattering study of rare-earth orthoferrite HoFeO3
•Spin dynamics of the Fe subsystem does not change through SR transitions.•NN interactions in Fe sublattice along c-axis and ab-plane has different energies.•Exchange integrals for interaction Fe-Ho and Ho-Ho have opposite signs. By the single crystal inelastic neutron scattering the orthoferrite Ho...
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| Veröffentlicht in: | Journal of magnetism and magnetic materials 2020-08, Vol.507, p.166855, Article 166855 |
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| container_title | Journal of magnetism and magnetic materials |
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| creator | Ovsyanikov, A.K. Zobkalo, I.A. Schmidt, W. Barilo, S.N. Guretskii, S.A. Hutanu, V. |
| description | •Spin dynamics of the Fe subsystem does not change through SR transitions.•NN interactions in Fe sublattice along c-axis and ab-plane has different energies.•Exchange integrals for interaction Fe-Ho and Ho-Ho have opposite signs.
By the single crystal inelastic neutron scattering the orthoferrite HoFeO3 was studied. We show that the spin dynamics of the Fe subsystem does not change through the spin-reorientation transitions. The observed spectrum of magnetic excitations was analyzed in the frames of linear spin-wave theory. Within this approach the antiferromagnetic exchange interactions of nearest neighbors and next nearest neighbors were obtained for Fe subsystem. Parameters of Dzyaloshinskii-Moriya interactions at Fe subsystem were refined. The temperature dependence of the gap in Fe spin-wave spectrum indicates the temperature evolution of the anisotropy parameters. The estimations for the values of Fe-Ho and Ho-Ho exchange interaction were made as well. |
| doi_str_mv | 10.1016/j.jmmm.2020.166855 |
| format | Article |
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By the single crystal inelastic neutron scattering the orthoferrite HoFeO3 was studied. We show that the spin dynamics of the Fe subsystem does not change through the spin-reorientation transitions. The observed spectrum of magnetic excitations was analyzed in the frames of linear spin-wave theory. Within this approach the antiferromagnetic exchange interactions of nearest neighbors and next nearest neighbors were obtained for Fe subsystem. Parameters of Dzyaloshinskii-Moriya interactions at Fe subsystem were refined. The temperature dependence of the gap in Fe spin-wave spectrum indicates the temperature evolution of the anisotropy parameters. The estimations for the values of Fe-Ho and Ho-Ho exchange interaction were made as well.</description><identifier>ISSN: 0304-8853</identifier><identifier>EISSN: 1873-4766</identifier><identifier>DOI: 10.1016/j.jmmm.2020.166855</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Anisotropy ; Antiferromagnetism ; Exchanging ; Excitation spectra ; Inelastic neutron scattering ; Inelastic scattering ; Neutron scattering ; Neutrons ; Orthoferrites ; Parameter estimation ; Rare earth elements ; Single crystals ; Spin dynamics ; Subsystems ; Temperature ; Temperature dependence ; Wave spectra</subject><ispartof>Journal of magnetism and magnetic materials, 2020-08, Vol.507, p.166855, Article 166855</ispartof><rights>2020 Elsevier B.V.</rights><rights>Copyright Elsevier BV Aug 1, 2020</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c328t-49c93f237b65d78dae2ba584eb5dbf5caa71ef514fce996102428e9c30f7f9a93</citedby><cites>FETCH-LOGICAL-c328t-49c93f237b65d78dae2ba584eb5dbf5caa71ef514fce996102428e9c30f7f9a93</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.2020.166855$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,777,781,3537,27905,27906,45976</link.rule.ids></links><search><creatorcontrib>Ovsyanikov, A.K.</creatorcontrib><creatorcontrib>Zobkalo, I.A.</creatorcontrib><creatorcontrib>Schmidt, W.</creatorcontrib><creatorcontrib>Barilo, S.N.</creatorcontrib><creatorcontrib>Guretskii, S.A.</creatorcontrib><creatorcontrib>Hutanu, V.</creatorcontrib><title>Neutron inelastic scattering study of rare-earth orthoferrite HoFeO3</title><title>Journal of magnetism and magnetic materials</title><description>•Spin dynamics of the Fe subsystem does not change through SR transitions.•NN interactions in Fe sublattice along c-axis and ab-plane has different energies.•Exchange integrals for interaction Fe-Ho and Ho-Ho have opposite signs.
By the single crystal inelastic neutron scattering the orthoferrite HoFeO3 was studied. We show that the spin dynamics of the Fe subsystem does not change through the spin-reorientation transitions. The observed spectrum of magnetic excitations was analyzed in the frames of linear spin-wave theory. Within this approach the antiferromagnetic exchange interactions of nearest neighbors and next nearest neighbors were obtained for Fe subsystem. Parameters of Dzyaloshinskii-Moriya interactions at Fe subsystem were refined. The temperature dependence of the gap in Fe spin-wave spectrum indicates the temperature evolution of the anisotropy parameters. The estimations for the values of Fe-Ho and Ho-Ho exchange interaction were made as well.</description><subject>Anisotropy</subject><subject>Antiferromagnetism</subject><subject>Exchanging</subject><subject>Excitation spectra</subject><subject>Inelastic neutron scattering</subject><subject>Inelastic scattering</subject><subject>Neutron scattering</subject><subject>Neutrons</subject><subject>Orthoferrites</subject><subject>Parameter estimation</subject><subject>Rare earth elements</subject><subject>Single crystals</subject><subject>Spin dynamics</subject><subject>Subsystems</subject><subject>Temperature</subject><subject>Temperature dependence</subject><subject>Wave spectra</subject><issn>0304-8853</issn><issn>1873-4766</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp9kE1LAzEQhoMoWKt_wNOC56352mwCXqRaKxR70XPIZieapbupSVbov3dLPXuZgeF9ZoYHoVuCFwQTcd8tur7vFxTTaSCErKozNCOyZiWvhThHM8wwL6Ws2CW6SqnDGBMuxQw9vcGYYxgKP8DOpOxtkazJGaIfPouUx_ZQBFdEE6EEE_NXEaYSHMToMxTrsIItu0YXzuwS3Pz1OfpYPb8v1-Vm-_K6fNyUllGZS66sYo6yuhFVW8vWAG1MJTk0Vdu4yhpTE3AV4c6CUoJgyqkEZRl2tVNGsTm6O-3dx_A9Qsq6C2McppOaco6xqjnmU4qeUjaGlCI4vY--N_GgCdZHW7rTR1v6aEufbE3QwwmC6f8fD1En62Gw0PoINus2-P_wX0OYc2A</recordid><startdate>20200801</startdate><enddate>20200801</enddate><creator>Ovsyanikov, A.K.</creator><creator>Zobkalo, I.A.</creator><creator>Schmidt, W.</creator><creator>Barilo, S.N.</creator><creator>Guretskii, S.A.</creator><creator>Hutanu, V.</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>20200801</creationdate><title>Neutron inelastic scattering study of rare-earth orthoferrite HoFeO3</title><author>Ovsyanikov, A.K. ; Zobkalo, I.A. ; Schmidt, W. ; Barilo, S.N. ; Guretskii, S.A. ; Hutanu, V.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c328t-49c93f237b65d78dae2ba584eb5dbf5caa71ef514fce996102428e9c30f7f9a93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Anisotropy</topic><topic>Antiferromagnetism</topic><topic>Exchanging</topic><topic>Excitation spectra</topic><topic>Inelastic neutron scattering</topic><topic>Inelastic scattering</topic><topic>Neutron scattering</topic><topic>Neutrons</topic><topic>Orthoferrites</topic><topic>Parameter estimation</topic><topic>Rare earth elements</topic><topic>Single crystals</topic><topic>Spin dynamics</topic><topic>Subsystems</topic><topic>Temperature</topic><topic>Temperature dependence</topic><topic>Wave spectra</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ovsyanikov, A.K.</creatorcontrib><creatorcontrib>Zobkalo, I.A.</creatorcontrib><creatorcontrib>Schmidt, W.</creatorcontrib><creatorcontrib>Barilo, S.N.</creatorcontrib><creatorcontrib>Guretskii, S.A.</creatorcontrib><creatorcontrib>Hutanu, V.</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>Ovsyanikov, A.K.</au><au>Zobkalo, I.A.</au><au>Schmidt, W.</au><au>Barilo, S.N.</au><au>Guretskii, S.A.</au><au>Hutanu, V.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Neutron inelastic scattering study of rare-earth orthoferrite HoFeO3</atitle><jtitle>Journal of magnetism and magnetic materials</jtitle><date>2020-08-01</date><risdate>2020</risdate><volume>507</volume><spage>166855</spage><pages>166855-</pages><artnum>166855</artnum><issn>0304-8853</issn><eissn>1873-4766</eissn><abstract>•Spin dynamics of the Fe subsystem does not change through SR transitions.•NN interactions in Fe sublattice along c-axis and ab-plane has different energies.•Exchange integrals for interaction Fe-Ho and Ho-Ho have opposite signs.
By the single crystal inelastic neutron scattering the orthoferrite HoFeO3 was studied. We show that the spin dynamics of the Fe subsystem does not change through the spin-reorientation transitions. The observed spectrum of magnetic excitations was analyzed in the frames of linear spin-wave theory. Within this approach the antiferromagnetic exchange interactions of nearest neighbors and next nearest neighbors were obtained for Fe subsystem. Parameters of Dzyaloshinskii-Moriya interactions at Fe subsystem were refined. The temperature dependence of the gap in Fe spin-wave spectrum indicates the temperature evolution of the anisotropy parameters. The estimations for the values of Fe-Ho and Ho-Ho exchange interaction were made as well.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.jmmm.2020.166855</doi></addata></record> |
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| subjects | Anisotropy Antiferromagnetism Exchanging Excitation spectra Inelastic neutron scattering Inelastic scattering Neutron scattering Neutrons Orthoferrites Parameter estimation Rare earth elements Single crystals Spin dynamics Subsystems Temperature Temperature dependence Wave spectra |
| title | Neutron inelastic scattering study of rare-earth orthoferrite HoFeO3 |
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