Effects of Cu substitution on structural and magnetic properties of La0.7Pr0.3Fe11.4Si1.6 compounds
The structure and magnetic properties of the La0.7Pr0.3Fe11.4−xCuxSi1.6 compounds have been investigated by X-ray diffraction, scanning electron microscopy and magnetisation measurements. Cu substitution for Fe in La0.7Pr0.3Fe11.4−xCuxSi1.6 (x = 0, 0.06, 0.12, 0.23, 0.34) leads to a reduction in hys...
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| Veröffentlicht in: | Intermetallics 2013-05, Vol.36, p.1-7 |
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| creator | Md Din, M.F. Wang, J.L. Zeng, R. Shamba, P. Debnath, J.C. Dou, S.X. |
| description | The structure and magnetic properties of the La0.7Pr0.3Fe11.4−xCuxSi1.6 compounds have been investigated by X-ray diffraction, scanning electron microscopy and magnetisation measurements. Cu substitution for Fe in La0.7Pr0.3Fe11.4−xCuxSi1.6 (x = 0, 0.06, 0.12, 0.23, 0.34) leads to a reduction in hysteresis loss, a decrease in magnetic entropy change but an increase in Curie temperature (TC). The influences of annealing processes at different temperatures on TC, magnetic hysteresis, and the magnetocaloric effect (MCE) of La0.7Pr0.3Fe11.4Si1.6 are investigated in detail. It has been found that a short-time and high temperature annealing process has benefits for the formation of the NaZn13 types as phase compared to a long-time and low temperature annealing process.
► High temperature annealing process has benefits for the formation of NaZn13 phase. ► Cu substitution in La0.7Pr0.3Fe11.4−xCuxSi1.6 leads to a reduction in hysteresis loss. ► Replacement Fe by Cu leads to increase in the Curie temperature (TC). ► Increasing Cu composition indicated to decreases the magnetic entropy. ► Highest Cu concentration with x = 0.34 effected to structural stability of NaZn13. |
| doi_str_mv | 10.1016/j.intermet.2012.12.013 |
| format | Article |
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► High temperature annealing process has benefits for the formation of NaZn13 phase. ► Cu substitution in La0.7Pr0.3Fe11.4−xCuxSi1.6 leads to a reduction in hysteresis loss. ► Replacement Fe by Cu leads to increase in the Curie temperature (TC). ► Increasing Cu composition indicated to decreases the magnetic entropy. ► Highest Cu concentration with x = 0.34 effected to structural stability of NaZn13.</description><identifier>ISSN: 0966-9795</identifier><identifier>DOI: 10.1016/j.intermet.2012.12.013</identifier><language>eng</language><publisher>Elsevier Ltd</publisher><subject>A. Intermetallics ; Annealing ; B. Magnetic properties ; B. Phase diagrams ; Copper ; Curie temperature ; Diffraction ; E. Physical properties ; Entropy ; G. Magnetic applications ; Iron ; Magnetic properties ; X-rays</subject><ispartof>Intermetallics, 2013-05, Vol.36, p.1-7</ispartof><rights>2013 Elsevier Ltd</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c275t-4e880ee0ec8d012b74dca910d5f9f9d251055cab4a5804a10bed6f6c6f1dff2f3</citedby><cites>FETCH-LOGICAL-c275t-4e880ee0ec8d012b74dca910d5f9f9d251055cab4a5804a10bed6f6c6f1dff2f3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.intermet.2012.12.013$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,778,782,3539,27907,27908,45978</link.rule.ids></links><search><creatorcontrib>Md Din, M.F.</creatorcontrib><creatorcontrib>Wang, J.L.</creatorcontrib><creatorcontrib>Zeng, R.</creatorcontrib><creatorcontrib>Shamba, P.</creatorcontrib><creatorcontrib>Debnath, J.C.</creatorcontrib><creatorcontrib>Dou, S.X.</creatorcontrib><title>Effects of Cu substitution on structural and magnetic properties of La0.7Pr0.3Fe11.4Si1.6 compounds</title><title>Intermetallics</title><description>The structure and magnetic properties of the La0.7Pr0.3Fe11.4−xCuxSi1.6 compounds have been investigated by X-ray diffraction, scanning electron microscopy and magnetisation measurements. Cu substitution for Fe in La0.7Pr0.3Fe11.4−xCuxSi1.6 (x = 0, 0.06, 0.12, 0.23, 0.34) leads to a reduction in hysteresis loss, a decrease in magnetic entropy change but an increase in Curie temperature (TC). The influences of annealing processes at different temperatures on TC, magnetic hysteresis, and the magnetocaloric effect (MCE) of La0.7Pr0.3Fe11.4Si1.6 are investigated in detail. It has been found that a short-time and high temperature annealing process has benefits for the formation of the NaZn13 types as phase compared to a long-time and low temperature annealing process.
► High temperature annealing process has benefits for the formation of NaZn13 phase. ► Cu substitution in La0.7Pr0.3Fe11.4−xCuxSi1.6 leads to a reduction in hysteresis loss. ► Replacement Fe by Cu leads to increase in the Curie temperature (TC). ► Increasing Cu composition indicated to decreases the magnetic entropy. ► Highest Cu concentration with x = 0.34 effected to structural stability of NaZn13.</description><subject>A. Intermetallics</subject><subject>Annealing</subject><subject>B. Magnetic properties</subject><subject>B. Phase diagrams</subject><subject>Copper</subject><subject>Curie temperature</subject><subject>Diffraction</subject><subject>E. Physical properties</subject><subject>Entropy</subject><subject>G. Magnetic applications</subject><subject>Iron</subject><subject>Magnetic properties</subject><subject>X-rays</subject><issn>0966-9795</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNqFkEtLAzEUhWehYK3-BcnSTcebeSQzO6W0KhQU1HXIJDeSMi_zEPz3plbXwoG7Oedw7pdlVxRyCpTd7HM7BnQDhrwAWuRJQMuTbAEtY6uWt_VZdu79HoByKOtFpjbGoAqeTIasI_Gx88GGGOw0kiQfXFQhOtkTOWoyyPcRg1VkdtOMLlj8Ce4k5PzZQV5ukdK8erE0Z0RNwzzFUfuL7NTI3uPl711mb9vN6_phtXu6f1zf7Vaq4HVYVdg0gAioGp22d7zSSrYUdG1a0-qiplDXSnaVrBuoJIUONTNMMUO1MYUpl9n1sTet-4jogxisV9j3csQpekEZpxUvOBTJyo5W5SbvHRoxOztI9yUoiANJsRd_JMWBpEhKJFPw9hjE9MinRSe8sjgq1NYljkJP9r-Kb3jagnU</recordid><startdate>201305</startdate><enddate>201305</enddate><creator>Md Din, M.F.</creator><creator>Wang, J.L.</creator><creator>Zeng, R.</creator><creator>Shamba, P.</creator><creator>Debnath, J.C.</creator><creator>Dou, S.X.</creator><general>Elsevier Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>201305</creationdate><title>Effects of Cu substitution on structural and magnetic properties of La0.7Pr0.3Fe11.4Si1.6 compounds</title><author>Md Din, M.F. ; Wang, J.L. ; Zeng, R. ; Shamba, P. ; Debnath, J.C. ; Dou, S.X.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c275t-4e880ee0ec8d012b74dca910d5f9f9d251055cab4a5804a10bed6f6c6f1dff2f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>A. Intermetallics</topic><topic>Annealing</topic><topic>B. Magnetic properties</topic><topic>B. Phase diagrams</topic><topic>Copper</topic><topic>Curie temperature</topic><topic>Diffraction</topic><topic>E. Physical properties</topic><topic>Entropy</topic><topic>G. Magnetic applications</topic><topic>Iron</topic><topic>Magnetic properties</topic><topic>X-rays</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Md Din, M.F.</creatorcontrib><creatorcontrib>Wang, J.L.</creatorcontrib><creatorcontrib>Zeng, R.</creatorcontrib><creatorcontrib>Shamba, P.</creatorcontrib><creatorcontrib>Debnath, J.C.</creatorcontrib><creatorcontrib>Dou, S.X.</creatorcontrib><collection>CrossRef</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Intermetallics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Md Din, M.F.</au><au>Wang, J.L.</au><au>Zeng, R.</au><au>Shamba, P.</au><au>Debnath, J.C.</au><au>Dou, S.X.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of Cu substitution on structural and magnetic properties of La0.7Pr0.3Fe11.4Si1.6 compounds</atitle><jtitle>Intermetallics</jtitle><date>2013-05</date><risdate>2013</risdate><volume>36</volume><spage>1</spage><epage>7</epage><pages>1-7</pages><issn>0966-9795</issn><abstract>The structure and magnetic properties of the La0.7Pr0.3Fe11.4−xCuxSi1.6 compounds have been investigated by X-ray diffraction, scanning electron microscopy and magnetisation measurements. Cu substitution for Fe in La0.7Pr0.3Fe11.4−xCuxSi1.6 (x = 0, 0.06, 0.12, 0.23, 0.34) leads to a reduction in hysteresis loss, a decrease in magnetic entropy change but an increase in Curie temperature (TC). The influences of annealing processes at different temperatures on TC, magnetic hysteresis, and the magnetocaloric effect (MCE) of La0.7Pr0.3Fe11.4Si1.6 are investigated in detail. It has been found that a short-time and high temperature annealing process has benefits for the formation of the NaZn13 types as phase compared to a long-time and low temperature annealing process.
► High temperature annealing process has benefits for the formation of NaZn13 phase. ► Cu substitution in La0.7Pr0.3Fe11.4−xCuxSi1.6 leads to a reduction in hysteresis loss. ► Replacement Fe by Cu leads to increase in the Curie temperature (TC). ► Increasing Cu composition indicated to decreases the magnetic entropy. ► Highest Cu concentration with x = 0.34 effected to structural stability of NaZn13.</abstract><pub>Elsevier Ltd</pub><doi>10.1016/j.intermet.2012.12.013</doi><tpages>7</tpages></addata></record> |
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| subjects | A. Intermetallics Annealing B. Magnetic properties B. Phase diagrams Copper Curie temperature Diffraction E. Physical properties Entropy G. Magnetic applications Iron Magnetic properties X-rays |
| title | Effects of Cu substitution on structural and magnetic properties of La0.7Pr0.3Fe11.4Si1.6 compounds |
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