EPR of Radiation-Induced Nitrogen Centers in Hydroxyapatite: New Approaches to the Study of Electron-Nuclear Interactions
Radiation-induced impurity nitrogen centers ( ) in nanosized powders of synthetic hydroxyapatite are studied by pulse EPR and pulse double-frequency EPR, which is named the NMR detected by electron–electron double resonance (ELDOR detected NMR, EDNMR) method. The EPR signals caused by the interactio...
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| Veröffentlicht in: | Russian journal of coordination chemistry 2020-11, Vol.46 (11), p.729-737 |
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| container_title | Russian journal of coordination chemistry |
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| creator | Murzakhanov, F. F. Mamin, G. V. Goldberg, M. A. Knotko, A. V. Gafurov, M. R. Orlinskii, S. B. |
| description | Radiation-induced impurity nitrogen centers (
) in nanosized powders of synthetic hydroxyapatite are studied by pulse EPR and pulse double-frequency EPR, which is named the NMR detected by electron–electron double resonance (ELDOR detected NMR, EDNMR) method. The EPR signals caused by the interaction of the electron of
with the environmental nuclei (
1
H,
14
N, and
31
P) are identified, and the parameters of the hyperfine and quadrupole interactions of the electron with the
14
N nuclei are determined. The possibility of using the EDNMR method in the X-band of microwave frequencies (ν
mw
≈ 9 GHz) at room temperature to obtain a detailed information about peculiarities of electron-nuclear interactions in hydroxyapatite is demonstrated. |
| doi_str_mv | 10.1134/S1070328420110044 |
| format | Article |
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) in nanosized powders of synthetic hydroxyapatite are studied by pulse EPR and pulse double-frequency EPR, which is named the NMR detected by electron–electron double resonance (ELDOR detected NMR, EDNMR) method. The EPR signals caused by the interaction of the electron of
with the environmental nuclei (
1
H,
14
N, and
31
P) are identified, and the parameters of the hyperfine and quadrupole interactions of the electron with the
14
N nuclei are determined. The possibility of using the EDNMR method in the X-band of microwave frequencies (ν
mw
≈ 9 GHz) at room temperature to obtain a detailed information about peculiarities of electron-nuclear interactions in hydroxyapatite is demonstrated.</description><identifier>ISSN: 1070-3284</identifier><identifier>EISSN: 1608-3318</identifier><identifier>DOI: 10.1134/S1070328420110044</identifier><language>eng</language><publisher>Moscow: Pleiades Publishing</publisher><subject>Chemistry ; Chemistry and Materials Science ; Electrons ; Hydroxyapatite ; Inorganic Chemistry ; Microwave frequencies ; Nitrogen isotopes ; NMR ; Nuclear interactions ; Nuclear magnetic resonance ; Nuclei ; Parameter identification ; Physical Chemistry ; Quadrupole interaction ; Quadrupoles ; Radiation effects ; Room temperature ; Superhigh frequencies</subject><ispartof>Russian journal of coordination chemistry, 2020-11, Vol.46 (11), p.729-737</ispartof><rights>Pleiades Publishing, Ltd. 2020</rights><rights>Pleiades Publishing, Ltd. 2020.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c316t-5a2a9965d043f3c521b7bf1ba0462a07fc6536b628b8805be9ee97da21b485483</citedby><cites>FETCH-LOGICAL-c316t-5a2a9965d043f3c521b7bf1ba0462a07fc6536b628b8805be9ee97da21b485483</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1134/S1070328420110044$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1134/S1070328420110044$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>Murzakhanov, F. F.</creatorcontrib><creatorcontrib>Mamin, G. V.</creatorcontrib><creatorcontrib>Goldberg, M. A.</creatorcontrib><creatorcontrib>Knotko, A. V.</creatorcontrib><creatorcontrib>Gafurov, M. R.</creatorcontrib><creatorcontrib>Orlinskii, S. B.</creatorcontrib><title>EPR of Radiation-Induced Nitrogen Centers in Hydroxyapatite: New Approaches to the Study of Electron-Nuclear Interactions</title><title>Russian journal of coordination chemistry</title><addtitle>Russ J Coord Chem</addtitle><description>Radiation-induced impurity nitrogen centers (
) in nanosized powders of synthetic hydroxyapatite are studied by pulse EPR and pulse double-frequency EPR, which is named the NMR detected by electron–electron double resonance (ELDOR detected NMR, EDNMR) method. The EPR signals caused by the interaction of the electron of
with the environmental nuclei (
1
H,
14
N, and
31
P) are identified, and the parameters of the hyperfine and quadrupole interactions of the electron with the
14
N nuclei are determined. The possibility of using the EDNMR method in the X-band of microwave frequencies (ν
mw
≈ 9 GHz) at room temperature to obtain a detailed information about peculiarities of electron-nuclear interactions in hydroxyapatite is demonstrated.</description><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Electrons</subject><subject>Hydroxyapatite</subject><subject>Inorganic Chemistry</subject><subject>Microwave frequencies</subject><subject>Nitrogen isotopes</subject><subject>NMR</subject><subject>Nuclear interactions</subject><subject>Nuclear magnetic resonance</subject><subject>Nuclei</subject><subject>Parameter identification</subject><subject>Physical Chemistry</subject><subject>Quadrupole interaction</subject><subject>Quadrupoles</subject><subject>Radiation effects</subject><subject>Room temperature</subject><subject>Superhigh frequencies</subject><issn>1070-3284</issn><issn>1608-3318</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp1kE1Lw0AQhhdRsFZ_gLcFz9H9TDbepFRbKFVaPYfNZtKm1Gzd3aD5926o4EE8zcA87zPDIHRNyS2lXNytKckIZ0owQikhQpygEU2JSjin6jT2cZwM83N04f2OkAjJfIT66csK2xqvdNXo0Ng2mbdVZ6DCyyY4u4EWT6AN4DxuWjzrK2e_en2IaIB7vIRP_HA4OKvNFjwOFoct4HXoqn6QTvdgoqRNlp3Zg3Z4Ppi0Gfb4S3RW672Hq586Rm-P09fJLFk8P80nD4vEcJqGRGqm8zyVFRG85kYyWmZlTUtNRMo0yWqTSp6WKVOlUkSWkAPkWaUjJ5QUio_RzdEbz_zowIdiZzvXxpUFExnPMkmpiBQ9UsZZ7x3UxcE179r1BSXF8OHiz4djhh0zPrLtBtyv-f_QN_bnfQE</recordid><startdate>20201101</startdate><enddate>20201101</enddate><creator>Murzakhanov, F. F.</creator><creator>Mamin, G. V.</creator><creator>Goldberg, M. A.</creator><creator>Knotko, A. V.</creator><creator>Gafurov, M. R.</creator><creator>Orlinskii, S. B.</creator><general>Pleiades Publishing</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20201101</creationdate><title>EPR of Radiation-Induced Nitrogen Centers in Hydroxyapatite: New Approaches to the Study of Electron-Nuclear Interactions</title><author>Murzakhanov, F. F. ; Mamin, G. V. ; Goldberg, M. A. ; Knotko, A. V. ; Gafurov, M. R. ; Orlinskii, S. B.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c316t-5a2a9965d043f3c521b7bf1ba0462a07fc6536b628b8805be9ee97da21b485483</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Chemistry</topic><topic>Chemistry and Materials Science</topic><topic>Electrons</topic><topic>Hydroxyapatite</topic><topic>Inorganic Chemistry</topic><topic>Microwave frequencies</topic><topic>Nitrogen isotopes</topic><topic>NMR</topic><topic>Nuclear interactions</topic><topic>Nuclear magnetic resonance</topic><topic>Nuclei</topic><topic>Parameter identification</topic><topic>Physical Chemistry</topic><topic>Quadrupole interaction</topic><topic>Quadrupoles</topic><topic>Radiation effects</topic><topic>Room temperature</topic><topic>Superhigh frequencies</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Murzakhanov, F. F.</creatorcontrib><creatorcontrib>Mamin, G. V.</creatorcontrib><creatorcontrib>Goldberg, M. A.</creatorcontrib><creatorcontrib>Knotko, A. V.</creatorcontrib><creatorcontrib>Gafurov, M. R.</creatorcontrib><creatorcontrib>Orlinskii, S. B.</creatorcontrib><collection>CrossRef</collection><jtitle>Russian journal of coordination chemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Murzakhanov, F. F.</au><au>Mamin, G. V.</au><au>Goldberg, M. A.</au><au>Knotko, A. V.</au><au>Gafurov, M. R.</au><au>Orlinskii, S. B.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>EPR of Radiation-Induced Nitrogen Centers in Hydroxyapatite: New Approaches to the Study of Electron-Nuclear Interactions</atitle><jtitle>Russian journal of coordination chemistry</jtitle><stitle>Russ J Coord Chem</stitle><date>2020-11-01</date><risdate>2020</risdate><volume>46</volume><issue>11</issue><spage>729</spage><epage>737</epage><pages>729-737</pages><issn>1070-3284</issn><eissn>1608-3318</eissn><abstract>Radiation-induced impurity nitrogen centers (
) in nanosized powders of synthetic hydroxyapatite are studied by pulse EPR and pulse double-frequency EPR, which is named the NMR detected by electron–electron double resonance (ELDOR detected NMR, EDNMR) method. The EPR signals caused by the interaction of the electron of
with the environmental nuclei (
1
H,
14
N, and
31
P) are identified, and the parameters of the hyperfine and quadrupole interactions of the electron with the
14
N nuclei are determined. The possibility of using the EDNMR method in the X-band of microwave frequencies (ν
mw
≈ 9 GHz) at room temperature to obtain a detailed information about peculiarities of electron-nuclear interactions in hydroxyapatite is demonstrated.</abstract><cop>Moscow</cop><pub>Pleiades Publishing</pub><doi>10.1134/S1070328420110044</doi><tpages>9</tpages></addata></record> |
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| subjects | Chemistry Chemistry and Materials Science Electrons Hydroxyapatite Inorganic Chemistry Microwave frequencies Nitrogen isotopes NMR Nuclear interactions Nuclear magnetic resonance Nuclei Parameter identification Physical Chemistry Quadrupole interaction Quadrupoles Radiation effects Room temperature Superhigh frequencies |
| title | EPR of Radiation-Induced Nitrogen Centers in Hydroxyapatite: New Approaches to the Study of Electron-Nuclear Interactions |
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