A novel class of ferromagnetic materials
We have prepared a class of stable ferromagnetic materials with high Curie temperatures by thermal treatment of transition metal phthalocyanines, MnPc, FePc, CoPc or NiPc, for several hours at 500–700°C in inert ambient. Part of the phthalocyanine ring is pyrolyzed with corresponding loss in mass. M...
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| Veröffentlicht in: | Materials letters 1993, Vol.16 (1), p.39-44 |
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| container_title | Materials letters |
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| creator | Nath, Amar Kopelev, Nikolai Tyagi, Som D. Chechersky, Vladimir Wei, Yen |
| description | We have prepared a class of stable ferromagnetic materials with high Curie temperatures by thermal treatment of transition metal phthalocyanines, MnPc, FePc, CoPc or NiPc, for several hours at 500–700°C in inert ambient. Part of the phthalocyanine ring is pyrolyzed with corresponding loss in mass. Mössbauer studies of FePc and Co(
57Co)Pc indicate that the MeN
4 moiety and the aromatic character of the ring are retained, and that there is fairly strong interaction between the central atom and axially situated aromatic rings or nitrogens of neighboring coplanar rings. The axial interactions provide a pathway for ferromagnetism. |
| doi_str_mv | 10.1016/0167-577X(93)90180-6 |
| format | Article |
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57Co)Pc indicate that the MeN
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57Co)Pc indicate that the MeN
4 moiety and the aromatic character of the ring are retained, and that there is fairly strong interaction between the central atom and axially situated aromatic rings or nitrogens of neighboring coplanar rings. The axial interactions provide a pathway for ferromagnetism.</description><subject>Condensed matter: electronic structure, electrical, magnetic, and optical properties</subject><subject>Exact sciences and technology</subject><subject>Magnetic properties and materials</subject><subject>Physics</subject><subject>Studies of specific magnetic materials</subject><issn>0167-577X</issn><issn>1873-4979</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1993</creationdate><recordtype>article</recordtype><recordid>eNp9kEtLw0AUhQdRsFb_gYssROoieifzymyEUnxBwY2Cu2EyuSMjaVJn0oL_3sSWLl1czuY753IOIZcUbilQeTecyoVSHzPNbjTQEnJ5RCa0VCznWuljMjkgp-QspS8A4Br4hMzmWdttsclcY1PKOp95jLFb2c8W--Cyle0xBtukc3LiB8GLvU7J--PD2-I5X74-vSzmy9wxyftcIIhCgQSlLK-L0jnpK2RQQ6WhKmsqWMVU7VFwJyrtGXUjM8COSi04m5LrXe46dt8bTL1ZheSwaWyL3SaZQlIJtCgGkO9AF7uUInqzjmFl44-hYMZZzNjZjJ2NZuZvFiMH29U-3yZnGx9t60I6eLmQZVnAgN3vMBy6bgNGk1zA1mEdIrre1F34_88vdE11Gw</recordid><startdate>1993</startdate><enddate>1993</enddate><creator>Nath, Amar</creator><creator>Kopelev, Nikolai</creator><creator>Tyagi, Som D.</creator><creator>Chechersky, Vladimir</creator><creator>Wei, Yen</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>1993</creationdate><title>A novel class of ferromagnetic materials</title><author>Nath, Amar ; Kopelev, Nikolai ; Tyagi, Som D. ; Chechersky, Vladimir ; Wei, Yen</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c364t-5e052706077a4d28cc6fbe30d0b90b8d153b37dfe54c5b9f31c8cc67a4c169543</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1993</creationdate><topic>Condensed matter: electronic structure, electrical, magnetic, and optical properties</topic><topic>Exact sciences and technology</topic><topic>Magnetic properties and materials</topic><topic>Physics</topic><topic>Studies of specific magnetic materials</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Nath, Amar</creatorcontrib><creatorcontrib>Kopelev, Nikolai</creatorcontrib><creatorcontrib>Tyagi, Som D.</creatorcontrib><creatorcontrib>Chechersky, Vladimir</creatorcontrib><creatorcontrib>Wei, Yen</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Materials letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Nath, Amar</au><au>Kopelev, Nikolai</au><au>Tyagi, Som D.</au><au>Chechersky, Vladimir</au><au>Wei, Yen</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A novel class of ferromagnetic materials</atitle><jtitle>Materials letters</jtitle><date>1993</date><risdate>1993</risdate><volume>16</volume><issue>1</issue><spage>39</spage><epage>44</epage><pages>39-44</pages><issn>0167-577X</issn><eissn>1873-4979</eissn><coden>MLETDJ</coden><abstract>We have prepared a class of stable ferromagnetic materials with high Curie temperatures by thermal treatment of transition metal phthalocyanines, MnPc, FePc, CoPc or NiPc, for several hours at 500–700°C in inert ambient. Part of the phthalocyanine ring is pyrolyzed with corresponding loss in mass. Mössbauer studies of FePc and Co(
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| ispartof | Materials letters, 1993, Vol.16 (1), p.39-44 |
| issn | 0167-577X 1873-4979 |
| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Condensed matter: electronic structure, electrical, magnetic, and optical properties Exact sciences and technology Magnetic properties and materials Physics Studies of specific magnetic materials |
| title | A novel class of ferromagnetic materials |
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