Large magnetocaloric effect in manganese perovskite La0.67−xBixBa0.33MnO3 near room temperature
La 0.67− x Bi x Ba 0.33 MnO 3 ( x = 0 and 0.05) ceramics were prepared via the sol-gel method. Structural, magnetic and magnetocaloric effects have been systematically studied. X-ray diffraction shows that all the compounds crystallize in the rhombohedral structure with the R 3&cmb.macr; c space...
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| creator | Dhahri, Ah Dhahri, E Hlil, E. K |
| description | La
0.67−
x
Bi
x
Ba
0.33
MnO
3
(
x
= 0 and 0.05) ceramics were prepared
via
the sol-gel method. Structural, magnetic and magnetocaloric effects have been systematically studied. X-ray diffraction shows that all the compounds crystallize in the rhombohedral structure with the
R
3&cmb.macr;
c
space group. By analyzing the field and temperature dependence of magnetization, it is observed that both samples undergo a second order magnetic phase transition near
T
C
. The value of
T
C
decreases from 340 K to 306 K when increasing
x
from 0.00 to 0.05, respectively. The reported magnetic entropy change for both samples was considerably remarkable and equal to 5.8 J kg
−1
K
−1
for
x
= 0.00 and 7.3 J kg
−1
K
−1
for
x
= 0.05, respectively, for
μ
0
H
= 5 T, confirming that these materials are promising candidates for magnetic refrigeration applications. The mean-field theory was used to study the magnetocaloric effect within the thermodynamics of the model. Satisfactory agreement between experimental data and the mean-field theory has been found.
La
0.67−
x
Bi
x
Ba
0.33
MnO
3
(
x
= 0 and 0.05) ceramics were prepared
via
the sol-gel method. |
| doi_str_mv | 10.1039/c8ra09802f |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_pubme</sourceid><recordid>TN_cdi_pubmedcentral_primary_oai_pubmedcentral_nih_gov_9060775</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>2184262201</sourcerecordid><originalsourceid>FETCH-LOGICAL-p252t-7fd7c2872069f6bf76f17cb8266f99875cdb21d38045bb91c1b659b31dd2b1fd3</originalsourceid><addsrcrecordid>eNp9kMtKAzEUhoMgttRu3AsjrltzaZLJRrDFG4x0o-shySTj1E4yZjKlvoFrH9EncaRFcePZHA7_x8fPAeAEwSmCRFzoNEgoUojtARhiOGMTDJkYgHHbrmA_jCLM0BEYEEoRFRgPgcxkKE1Sy9KZ6LVc-1DpxFhrdEwq1weulM60JmlM8Jv2pYomySScMv75_rGdV9t5fxDy4JYkcUaGJHhfJ9HUPS9jF8wxOLRy3Zrxfo_A08314-Juki1v7xdX2aTBFMcJtwXXOOXfjS1TljOLuFYpZswKkXKqC4VRQVI4o0oJpJFiVCiCigIrZAsyApc7b9Op2hTauBjkOm9CVcvwlntZ5X8TVz3npd_kAjLIOe0F53tB8K-daWO-8l1wfecco3SGGcYQ9dTZjgqt_pH_Pj5vCtszp_8x5AuOIIOd</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>2184262201</pqid></control><display><type>article</type><title>Large magnetocaloric effect in manganese perovskite La0.67−xBixBa0.33MnO3 near room temperature</title><source>Open Access: DOAJ - Directory of Open Access Journals</source><source>Open Access: PubMed Central</source><source>Free E-Journal (出版社公開部分のみ）</source><source>PubMed Central Open Access</source><creator>Dhahri, Ah ; Dhahri, E ; Hlil, E. K</creator><creatorcontrib>Dhahri, Ah ; Dhahri, E ; Hlil, E. K</creatorcontrib><description>La
0.67−
x
Bi
x
Ba
0.33
MnO
3
(
x
= 0 and 0.05) ceramics were prepared
via
the sol-gel method. Structural, magnetic and magnetocaloric effects have been systematically studied. X-ray diffraction shows that all the compounds crystallize in the rhombohedral structure with the
R
3&cmb.macr;
c
space group. By analyzing the field and temperature dependence of magnetization, it is observed that both samples undergo a second order magnetic phase transition near
T
C
. The value of
T
C
decreases from 340 K to 306 K when increasing
x
from 0.00 to 0.05, respectively. The reported magnetic entropy change for both samples was considerably remarkable and equal to 5.8 J kg
−1
K
−1
for
x
= 0.00 and 7.3 J kg
−1
K
−1
for
x
= 0.05, respectively, for
μ
0
H
= 5 T, confirming that these materials are promising candidates for magnetic refrigeration applications. The mean-field theory was used to study the magnetocaloric effect within the thermodynamics of the model. Satisfactory agreement between experimental data and the mean-field theory has been found.
La
0.67−
x
Bi
x
Ba
0.33
MnO
3
(
x
= 0 and 0.05) ceramics were prepared
via
the sol-gel method.</description><identifier>EISSN: 2046-2069</identifier><identifier>DOI: 10.1039/c8ra09802f</identifier><identifier>PMID: 35515922</identifier><language>eng</language><publisher>Cambridge: Royal Society of Chemistry</publisher><subject>Chemistry ; Manganese ; Mean field theory ; Perovskites ; Phase transitions ; Refrigeration ; Room temperature ; Sol-gel processes ; Temperature dependence ; X-ray diffraction</subject><ispartof>RSC advances, 2019-02, Vol.9 (1), p.553-5539</ispartof><rights>Copyright Royal Society of Chemistry 2019</rights><rights>This journal is © The Royal Society of Chemistry 2019 The Royal Society of Chemistry</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC9060775/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC9060775/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,727,780,784,864,885,27924,27925,53791,53793</link.rule.ids></links><search><creatorcontrib>Dhahri, Ah</creatorcontrib><creatorcontrib>Dhahri, E</creatorcontrib><creatorcontrib>Hlil, E. K</creatorcontrib><title>Large magnetocaloric effect in manganese perovskite La0.67−xBixBa0.33MnO3 near room temperature</title><title>RSC advances</title><description>La
0.67−
x
Bi
x
Ba
0.33
MnO
3
(
x
= 0 and 0.05) ceramics were prepared
via
the sol-gel method. Structural, magnetic and magnetocaloric effects have been systematically studied. X-ray diffraction shows that all the compounds crystallize in the rhombohedral structure with the
R
3&cmb.macr;
c
space group. By analyzing the field and temperature dependence of magnetization, it is observed that both samples undergo a second order magnetic phase transition near
T
C
. The value of
T
C
decreases from 340 K to 306 K when increasing
x
from 0.00 to 0.05, respectively. The reported magnetic entropy change for both samples was considerably remarkable and equal to 5.8 J kg
−1
K
−1
for
x
= 0.00 and 7.3 J kg
−1
K
−1
for
x
= 0.05, respectively, for
μ
0
H
= 5 T, confirming that these materials are promising candidates for magnetic refrigeration applications. The mean-field theory was used to study the magnetocaloric effect within the thermodynamics of the model. Satisfactory agreement between experimental data and the mean-field theory has been found.
La
0.67−
x
Bi
x
Ba
0.33
MnO
3
(
x
= 0 and 0.05) ceramics were prepared
via
the sol-gel method.</description><subject>Chemistry</subject><subject>Manganese</subject><subject>Mean field theory</subject><subject>Perovskites</subject><subject>Phase transitions</subject><subject>Refrigeration</subject><subject>Room temperature</subject><subject>Sol-gel processes</subject><subject>Temperature dependence</subject><subject>X-ray diffraction</subject><issn>2046-2069</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp9kMtKAzEUhoMgttRu3AsjrltzaZLJRrDFG4x0o-shySTj1E4yZjKlvoFrH9EncaRFcePZHA7_x8fPAeAEwSmCRFzoNEgoUojtARhiOGMTDJkYgHHbrmA_jCLM0BEYEEoRFRgPgcxkKE1Sy9KZ6LVc-1DpxFhrdEwq1weulM60JmlM8Jv2pYomySScMv75_rGdV9t5fxDy4JYkcUaGJHhfJ9HUPS9jF8wxOLRy3Zrxfo_A08314-Juki1v7xdX2aTBFMcJtwXXOOXfjS1TljOLuFYpZswKkXKqC4VRQVI4o0oJpJFiVCiCigIrZAsyApc7b9Op2hTauBjkOm9CVcvwlntZ5X8TVz3npd_kAjLIOe0F53tB8K-daWO-8l1wfecco3SGGcYQ9dTZjgqt_pH_Pj5vCtszp_8x5AuOIIOd</recordid><startdate>20190213</startdate><enddate>20190213</enddate><creator>Dhahri, Ah</creator><creator>Dhahri, E</creator><creator>Hlil, E. K</creator><general>Royal Society of Chemistry</general><general>The Royal Society of Chemistry</general><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>5PM</scope></search><sort><creationdate>20190213</creationdate><title>Large magnetocaloric effect in manganese perovskite La0.67−xBixBa0.33MnO3 near room temperature</title><author>Dhahri, Ah ; Dhahri, E ; Hlil, E. K</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p252t-7fd7c2872069f6bf76f17cb8266f99875cdb21d38045bb91c1b659b31dd2b1fd3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Chemistry</topic><topic>Manganese</topic><topic>Mean field theory</topic><topic>Perovskites</topic><topic>Phase transitions</topic><topic>Refrigeration</topic><topic>Room temperature</topic><topic>Sol-gel processes</topic><topic>Temperature dependence</topic><topic>X-ray diffraction</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Dhahri, Ah</creatorcontrib><creatorcontrib>Dhahri, E</creatorcontrib><creatorcontrib>Hlil, E. K</creatorcontrib><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>RSC advances</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Dhahri, Ah</au><au>Dhahri, E</au><au>Hlil, E. K</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Large magnetocaloric effect in manganese perovskite La0.67−xBixBa0.33MnO3 near room temperature</atitle><jtitle>RSC advances</jtitle><date>2019-02-13</date><risdate>2019</risdate><volume>9</volume><issue>1</issue><spage>553</spage><epage>5539</epage><pages>553-5539</pages><eissn>2046-2069</eissn><abstract>La
0.67−
x
Bi
x
Ba
0.33
MnO
3
(
x
= 0 and 0.05) ceramics were prepared
via
the sol-gel method. Structural, magnetic and magnetocaloric effects have been systematically studied. X-ray diffraction shows that all the compounds crystallize in the rhombohedral structure with the
R
3&cmb.macr;
c
space group. By analyzing the field and temperature dependence of magnetization, it is observed that both samples undergo a second order magnetic phase transition near
T
C
. The value of
T
C
decreases from 340 K to 306 K when increasing
x
from 0.00 to 0.05, respectively. The reported magnetic entropy change for both samples was considerably remarkable and equal to 5.8 J kg
−1
K
−1
for
x
= 0.00 and 7.3 J kg
−1
K
−1
for
x
= 0.05, respectively, for
μ
0
H
= 5 T, confirming that these materials are promising candidates for magnetic refrigeration applications. The mean-field theory was used to study the magnetocaloric effect within the thermodynamics of the model. Satisfactory agreement between experimental data and the mean-field theory has been found.
La
0.67−
x
Bi
x
Ba
0.33
MnO
3
(
x
= 0 and 0.05) ceramics were prepared
via
the sol-gel method.</abstract><cop>Cambridge</cop><pub>Royal Society of Chemistry</pub><pmid>35515922</pmid><doi>10.1039/c8ra09802f</doi><tpages>1</tpages><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | EISSN: 2046-2069 |
| ispartof | RSC advances, 2019-02, Vol.9 (1), p.553-5539 |
| issn | 2046-2069 |
| language | eng |
| recordid | cdi_pubmedcentral_primary_oai_pubmedcentral_nih_gov_9060775 |
| source | Open Access: DOAJ - Directory of Open Access Journals; Open Access: PubMed Central; Free E-Journal (出版社公開部分のみ）; PubMed Central Open Access |
| subjects | Chemistry Manganese Mean field theory Perovskites Phase transitions Refrigeration Room temperature Sol-gel processes Temperature dependence X-ray diffraction |
| title | Large magnetocaloric effect in manganese perovskite La0.67−xBixBa0.33MnO3 near room temperature |
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