Mössbauer, magnetic and electric studies on mixed Rb–Zn ferrites prepared by solution combustion method
[Display omitted] ► The solution combustion method used for the preparation of ferrite results in the formation of pure, nanoferrite particles with average size of 6–8 nm. ► Mössbauer studies show transition from ferrimagnetic to super-paramagnetic phase. ► Magnetic and electric properties of ferrit...
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| Veröffentlicht in: | Materials chemistry and physics 2011-10, Vol.130 (1), p.513-518 |
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| creator | Gupta, Manik Randhawa, Balwinder S. |
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► The solution combustion method used for the preparation of ferrite results in the formation of pure, nanoferrite particles with average size of 6–8
nm. ► Mössbauer studies show transition from ferrimagnetic to super-paramagnetic phase. ► Magnetic and electric properties of ferrites are superior to one obtained from other ceramic methods which make them fit for high frequency applications.
Single phase nanosized spinel ferrites with general formula Rb
0.5−
x/2
Zn
x
Mn
0.05Fe
2.45−
x/2
O
4 (
x
=
0
→
0.5) were prepared by solution combustion route using ethylene glycol as a capping agent. The ferrites obtained have been characterized by powder XRD and Mössbauer spectroscopy. Their magnetic and electric properties have been studied by employing Vibrating Sample Magnetometer (VSM), Curie temperature assembly and LCR meter. Mössbauer spectra display transition from ferrimagnetic to super-paramagnetic phase. The saturation magnetization (
M
S) initially exhibits an upward trend followed by regular decrease with increasing diamagnetic Zn content. Curie temperature also shows a downward trend with increasing Zn content. The resistivity of the doped samples decreases with temperature suggesting semiconductor behaviour of the ferrites. The dielectric constant (
ɛ) and tangent loss (tan
δ) measured at room temperature as a function of frequency show the expected ferrite behaviour. |
| doi_str_mv | 10.1016/j.matchemphys.2011.07.017 |
| format | Article |
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► The solution combustion method used for the preparation of ferrite results in the formation of pure, nanoferrite particles with average size of 6–8
nm. ► Mössbauer studies show transition from ferrimagnetic to super-paramagnetic phase. ► Magnetic and electric properties of ferrites are superior to one obtained from other ceramic methods which make them fit for high frequency applications.
Single phase nanosized spinel ferrites with general formula Rb
0.5−
x/2
Zn
x
Mn
0.05Fe
2.45−
x/2
O
4 (
x
=
0
→
0.5) were prepared by solution combustion route using ethylene glycol as a capping agent. The ferrites obtained have been characterized by powder XRD and Mössbauer spectroscopy. Their magnetic and electric properties have been studied by employing Vibrating Sample Magnetometer (VSM), Curie temperature assembly and LCR meter. Mössbauer spectra display transition from ferrimagnetic to super-paramagnetic phase. The saturation magnetization (
M
S) initially exhibits an upward trend followed by regular decrease with increasing diamagnetic Zn content. Curie temperature also shows a downward trend with increasing Zn content. The resistivity of the doped samples decreases with temperature suggesting semiconductor behaviour of the ferrites. The dielectric constant (
ɛ) and tangent loss (tan
δ) measured at room temperature as a function of frequency show the expected ferrite behaviour.</description><identifier>ISSN: 0254-0584</identifier><identifier>EISSN: 1879-3312</identifier><identifier>DOI: 10.1016/j.matchemphys.2011.07.017</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>A. Magnetic materials ; B. Chemical synthesis ; C. Mössbauer spectroscopy, D. Magnetic and electrical properties ; Combustion ; Ferrites ; Mossbauer effect ; Nanocomposites ; Nanomaterials ; Nanostructure ; Spinel</subject><ispartof>Materials chemistry and physics, 2011-10, Vol.130 (1), p.513-518</ispartof><rights>2011 Elsevier B.V.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c353t-f07b2c12d4e37a59fc4eba4ac76a046346d3901e89d07a4f496774b49d4e1a183</citedby><cites>FETCH-LOGICAL-c353t-f07b2c12d4e37a59fc4eba4ac76a046346d3901e89d07a4f496774b49d4e1a183</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0254058411006110$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids></links><search><creatorcontrib>Gupta, Manik</creatorcontrib><creatorcontrib>Randhawa, Balwinder S.</creatorcontrib><title>Mössbauer, magnetic and electric studies on mixed Rb–Zn ferrites prepared by solution combustion method</title><title>Materials chemistry and physics</title><description>[Display omitted]
► The solution combustion method used for the preparation of ferrite results in the formation of pure, nanoferrite particles with average size of 6–8
nm. ► Mössbauer studies show transition from ferrimagnetic to super-paramagnetic phase. ► Magnetic and electric properties of ferrites are superior to one obtained from other ceramic methods which make them fit for high frequency applications.
Single phase nanosized spinel ferrites with general formula Rb
0.5−
x/2
Zn
x
Mn
0.05Fe
2.45−
x/2
O
4 (
x
=
0
→
0.5) were prepared by solution combustion route using ethylene glycol as a capping agent. The ferrites obtained have been characterized by powder XRD and Mössbauer spectroscopy. Their magnetic and electric properties have been studied by employing Vibrating Sample Magnetometer (VSM), Curie temperature assembly and LCR meter. Mössbauer spectra display transition from ferrimagnetic to super-paramagnetic phase. The saturation magnetization (
M
S) initially exhibits an upward trend followed by regular decrease with increasing diamagnetic Zn content. Curie temperature also shows a downward trend with increasing Zn content. The resistivity of the doped samples decreases with temperature suggesting semiconductor behaviour of the ferrites. The dielectric constant (
ɛ) and tangent loss (tan
δ) measured at room temperature as a function of frequency show the expected ferrite behaviour.</description><subject>A. Magnetic materials</subject><subject>B. Chemical synthesis</subject><subject>C. Mössbauer spectroscopy, D. Magnetic and electrical properties</subject><subject>Combustion</subject><subject>Ferrites</subject><subject>Mossbauer effect</subject><subject>Nanocomposites</subject><subject>Nanomaterials</subject><subject>Nanostructure</subject><subject>Spinel</subject><issn>0254-0584</issn><issn>1879-3312</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNqNkDtOxDAQhi0EEsvCHUJFQ4IdO_G6RCte0iIkBA2N5dgT1qu8sB3EdtyBu3ABbsJJMCwFJdXM6H9I8yF0SHBGMClPVlmrgl5COyzXPssxIRnmGSZ8C03IjIuUUpJvownOC5biYsZ20Z73KxwdhNAJWl1_vHtfqRHccdKqxw6C1YnqTAIN6ODi4cNoLPik75LWvoBJbqvP17eHLqnBORuiMjgYlItKtU5834zBRq_u22r0P2sLYdmbfbRTq8bDwe-covvzs7v5Zbq4ubiany5STQsa0hrzKtckNwwoV4WoNYNKMaV5qTArKSsNFZjATBjMFauZKDlnFRMxQBSZ0Sk62vQOrn8awQfZWq-haVQH_eilyEuKMRMkOsXGqV3vvYNaDs62yq0lwfIbr1zJP3jlN16JuYzwYna-yUJ85dmCk15b6DQY6yI4aXr7j5YvEcCNXw</recordid><startdate>20111017</startdate><enddate>20111017</enddate><creator>Gupta, Manik</creator><creator>Randhawa, Balwinder S.</creator><general>Elsevier B.V</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>20111017</creationdate><title>Mössbauer, magnetic and electric studies on mixed Rb–Zn ferrites prepared by solution combustion method</title><author>Gupta, Manik ; Randhawa, Balwinder S.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c353t-f07b2c12d4e37a59fc4eba4ac76a046346d3901e89d07a4f496774b49d4e1a183</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>A. Magnetic materials</topic><topic>B. Chemical synthesis</topic><topic>C. Mössbauer spectroscopy, D. Magnetic and electrical properties</topic><topic>Combustion</topic><topic>Ferrites</topic><topic>Mossbauer effect</topic><topic>Nanocomposites</topic><topic>Nanomaterials</topic><topic>Nanostructure</topic><topic>Spinel</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Gupta, Manik</creatorcontrib><creatorcontrib>Randhawa, Balwinder S.</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>Materials chemistry and physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Gupta, Manik</au><au>Randhawa, Balwinder S.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Mössbauer, magnetic and electric studies on mixed Rb–Zn ferrites prepared by solution combustion method</atitle><jtitle>Materials chemistry and physics</jtitle><date>2011-10-17</date><risdate>2011</risdate><volume>130</volume><issue>1</issue><spage>513</spage><epage>518</epage><pages>513-518</pages><issn>0254-0584</issn><eissn>1879-3312</eissn><abstract>[Display omitted]
► The solution combustion method used for the preparation of ferrite results in the formation of pure, nanoferrite particles with average size of 6–8
nm. ► Mössbauer studies show transition from ferrimagnetic to super-paramagnetic phase. ► Magnetic and electric properties of ferrites are superior to one obtained from other ceramic methods which make them fit for high frequency applications.
Single phase nanosized spinel ferrites with general formula Rb
0.5−
x/2
Zn
x
Mn
0.05Fe
2.45−
x/2
O
4 (
x
=
0
→
0.5) were prepared by solution combustion route using ethylene glycol as a capping agent. The ferrites obtained have been characterized by powder XRD and Mössbauer spectroscopy. Their magnetic and electric properties have been studied by employing Vibrating Sample Magnetometer (VSM), Curie temperature assembly and LCR meter. Mössbauer spectra display transition from ferrimagnetic to super-paramagnetic phase. The saturation magnetization (
M
S) initially exhibits an upward trend followed by regular decrease with increasing diamagnetic Zn content. Curie temperature also shows a downward trend with increasing Zn content. The resistivity of the doped samples decreases with temperature suggesting semiconductor behaviour of the ferrites. The dielectric constant (
ɛ) and tangent loss (tan
δ) measured at room temperature as a function of frequency show the expected ferrite behaviour.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.matchemphys.2011.07.017</doi><tpages>6</tpages></addata></record> |
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| subjects | A. Magnetic materials B. Chemical synthesis C. Mössbauer spectroscopy, D. Magnetic and electrical properties Combustion Ferrites Mossbauer effect Nanocomposites Nanomaterials Nanostructure Spinel |
| title | Mössbauer, magnetic and electric studies on mixed Rb–Zn ferrites prepared by solution combustion method |
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