Room temperature giant magnetoimpedance in polycrystalline La0.75Ba0.25MnO3
We report the magnetic field dependence of electrical impedance Z in polycrystalline La0.75Ba0.25MnO3 a function of frequency from f = 1 MHz to 1 GHz at room temperature. The magnetoimpedance [MI = ΔZ/Z(0) where ΔZ = Z(H)-Z(0)] is −37.5 % (-58.5%) at 1(10) MHz for H = 1.2 kOe, which far exceeds mere...
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| Veröffentlicht in: | AIP advances 2016-05, Vol.6 (5), p.055913-055913-7 |
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| creator | Kumar, Pawan Rubi, Km Mahendiran, R. |
| description | We report the magnetic field dependence of electrical impedance Z in polycrystalline La0.75Ba0.25MnO3 a function of frequency from f = 1 MHz to 1 GHz at room temperature. The magnetoimpedance [MI = ΔZ/Z(0) where ΔZ = Z(H)-Z(0)] is −37.5 % (-58.5%) at 1(10) MHz for H = 1.2 kOe, which far exceeds mere -1.15% dc magnetoresistance. As f increases above 10 MHz, MI decreases in magnitude and changes sign from negative to positive. The change in sign of MI results from the transition of a single peak at H = 0 to two peaks at H = ± Hp
accompanied by a minimum at the origin. Hp
shifts towards higher field with increasing frequency. The occurrence of giant radio-frequency magnetoimpedance is promising for low-field sensor applications. |
| doi_str_mv | 10.1063/1.4943244 |
| format | Article |
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accompanied by a minimum at the origin. Hp
shifts towards higher field with increasing frequency. The occurrence of giant radio-frequency magnetoimpedance is promising for low-field sensor applications.</description><identifier>ISSN: 2158-3226</identifier><identifier>EISSN: 2158-3226</identifier><identifier>DOI: 10.1063/1.4943244</identifier><identifier>CODEN: AAIDBI</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>Dependence ; Electrical impedance ; Giant magnetoimpedance ; Magnetoresistance ; Magnetoresistivity ; Polycrystals ; Room temperature</subject><ispartof>AIP advances, 2016-05, Vol.6 (5), p.055913-055913-7</ispartof><rights>Author(s)</rights><rights>2016 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution 3.0 Unported License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c428t-837e48bfe0bc0b06bcad894c830079a00be4c6b7c57693be1c80d6368b1a11f83</citedby><cites>FETCH-LOGICAL-c428t-837e48bfe0bc0b06bcad894c830079a00be4c6b7c57693be1c80d6368b1a11f83</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,860,2096,27901,27902</link.rule.ids></links><search><creatorcontrib>Kumar, Pawan</creatorcontrib><creatorcontrib>Rubi, Km</creatorcontrib><creatorcontrib>Mahendiran, R.</creatorcontrib><title>Room temperature giant magnetoimpedance in polycrystalline La0.75Ba0.25MnO3</title><title>AIP advances</title><description>We report the magnetic field dependence of electrical impedance Z in polycrystalline La0.75Ba0.25MnO3 a function of frequency from f = 1 MHz to 1 GHz at room temperature. The magnetoimpedance [MI = ΔZ/Z(0) where ΔZ = Z(H)-Z(0)] is −37.5 % (-58.5%) at 1(10) MHz for H = 1.2 kOe, which far exceeds mere -1.15% dc magnetoresistance. As f increases above 10 MHz, MI decreases in magnitude and changes sign from negative to positive. The change in sign of MI results from the transition of a single peak at H = 0 to two peaks at H = ± Hp
accompanied by a minimum at the origin. Hp
shifts towards higher field with increasing frequency. The occurrence of giant radio-frequency magnetoimpedance is promising for low-field sensor applications.</description><subject>Dependence</subject><subject>Electrical impedance</subject><subject>Giant magnetoimpedance</subject><subject>Magnetoresistance</subject><subject>Magnetoresistivity</subject><subject>Polycrystals</subject><subject>Room temperature</subject><issn>2158-3226</issn><issn>2158-3226</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><sourceid>DOA</sourceid><recordid>eNqdkE9LxDAQxYsouKx78BsUPCl0TZo0TY-6-GdxZUH0HCbpdMnSNjXNCvvtrXZRz85hZnj8eG-YKDqnZE6JYNd0zgvOUs6PoklKM5mwNBXHf_bTaNb3WzIULyiRfBI9vTjXxAGbDj2Encd4Y6ENcQObFoOzg15CazC2bdy5em_8vg9Q17bFeAVknme3Q0-z53bNzqKTCuoeZ4c5jd7u714Xj8lq_bBc3KwSw1MZEsly5FJXSLQhmghtoJQFN5IRkhdAiEZuhM5NlouCaaRGklIwITUFSivJptFy9C0dbFXnbQN-rxxY9S04v1HggzU1KqiqPEMhcoSMF0Ms4QYyjWUBhpQUB6-L0avz7n2HfVBbt_PtcL5KaUplLqhkA3U5Usa7vvdY_aRSor5er6g6vH5gr0a2NzZAsK79H_zh_C-ourJinyFKkEI</recordid><startdate>201605</startdate><enddate>201605</enddate><creator>Kumar, Pawan</creator><creator>Rubi, Km</creator><creator>Mahendiran, R.</creator><general>American Institute of Physics</general><general>AIP Publishing LLC</general><scope>AJDQP</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>DOA</scope></search><sort><creationdate>201605</creationdate><title>Room temperature giant magnetoimpedance in polycrystalline La0.75Ba0.25MnO3</title><author>Kumar, Pawan ; Rubi, Km ; Mahendiran, R.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c428t-837e48bfe0bc0b06bcad894c830079a00be4c6b7c57693be1c80d6368b1a11f83</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Dependence</topic><topic>Electrical impedance</topic><topic>Giant magnetoimpedance</topic><topic>Magnetoresistance</topic><topic>Magnetoresistivity</topic><topic>Polycrystals</topic><topic>Room temperature</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kumar, Pawan</creatorcontrib><creatorcontrib>Rubi, Km</creatorcontrib><creatorcontrib>Mahendiran, R.</creatorcontrib><collection>AIP Open Access Journals</collection><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>DOAJ Directory of Open Access Journals</collection><jtitle>AIP advances</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kumar, Pawan</au><au>Rubi, Km</au><au>Mahendiran, R.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Room temperature giant magnetoimpedance in polycrystalline La0.75Ba0.25MnO3</atitle><jtitle>AIP advances</jtitle><date>2016-05</date><risdate>2016</risdate><volume>6</volume><issue>5</issue><spage>055913</spage><epage>055913-7</epage><pages>055913-055913-7</pages><issn>2158-3226</issn><eissn>2158-3226</eissn><coden>AAIDBI</coden><abstract>We report the magnetic field dependence of electrical impedance Z in polycrystalline La0.75Ba0.25MnO3 a function of frequency from f = 1 MHz to 1 GHz at room temperature. The magnetoimpedance [MI = ΔZ/Z(0) where ΔZ = Z(H)-Z(0)] is −37.5 % (-58.5%) at 1(10) MHz for H = 1.2 kOe, which far exceeds mere -1.15% dc magnetoresistance. As f increases above 10 MHz, MI decreases in magnitude and changes sign from negative to positive. The change in sign of MI results from the transition of a single peak at H = 0 to two peaks at H = ± Hp
accompanied by a minimum at the origin. Hp
shifts towards higher field with increasing frequency. The occurrence of giant radio-frequency magnetoimpedance is promising for low-field sensor applications.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/1.4943244</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Dependence Electrical impedance Giant magnetoimpedance Magnetoresistance Magnetoresistivity Polycrystals Room temperature |
| title | Room temperature giant magnetoimpedance in polycrystalline La0.75Ba0.25MnO3 |
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