The effective crystal field potential:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Elektronisch E-Book |
| Sprache: | English |
| Veröffentlicht: |
Oxford [England]
Elsevier
2000
|
| Ausgabe: | 1st ed |
| Schlagworte: | |
| Online-Zugang: | Volltext |
| Beschreibung: | As it results from the very nature of things, the spherical symmetry of the surrounding of a site in a crystal lattice or an atom in a molecule can never occur. Therefore, the eigenfunctions and eigenvalues of any bound ion or atom have to differ from those of spherically symmetric respective free ions. In this way, the most simplified concept of the crystal field effect or ligand field effect in the case of individual molecules can be introduced. The conventional notion of the crystal field potential is narrowed to its non-spherical part only through ignoring the dominating spherical part which produces only a uniform energy shift of gravity centres of the free ion terms. It is well understood that the non-spherical part of the effective potential "seen" by open-shell electrons localized on a metal ion plays an essential role in most observed properties. Light adsorption, electron paramagnetic resonance, inelastic neutron scattering and basic characteristics derived from magnetic and thermal measurements, are only examples of a much wider class of experimental results dependent on it. The influence is discerned in all kinds of materials containing unpaired localized electrons: ionic crystals, semiconductors and metallic compounds including materials as intriguing as high-<IT>T<INF>c</INF></IT> superconductors, or heavy fermion systems. It is evident from the above that we deal with a widespread effect relative to all free ion terms except those which can stand the lowered symmetry, e.g. <IT>S</IT>-terms. Despite the universality of the phenomenon, the available handbooks on solid state physics pay only marginal attention to it, merely making mention of its occurrence. Present understanding of the origins of the crystal field potential differs essentially from the pioneering electrostatic picture postulated in the twenties. The considerable development of the theory that has been put forward since then can be traced in many regular articles scattered throughout the literature. The last two decades have left their impression as well but, to the authors' best knowledge, this period has not been closed with a more extended review. This has also motivated us to compile the main achievements in the field in the form of a book Includes bibliographical references (p. 263-286) and indexes |
| Beschreibung: | 1 Online-Ressource (xiii, 303 p.) |
| ISBN: | 9780080436081 0080436080 1281186406 9781281186409 |
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| 245 | 1 | 0 | |a The effective crystal field potential |c Jacek Mulak and Zbigniew Gajek |
| 250 | |a 1st ed | ||
| 264 | 1 | |a Oxford [England] |b Elsevier |c 2000 | |
| 300 | |a 1 Online-Ressource (xiii, 303 p.) | ||
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| 500 | |a As it results from the very nature of things, the spherical symmetry of the surrounding of a site in a crystal lattice or an atom in a molecule can never occur. Therefore, the eigenfunctions and eigenvalues of any bound ion or atom have to differ from those of spherically symmetric respective free ions. In this way, the most simplified concept of the crystal field effect or ligand field effect in the case of individual molecules can be introduced. The conventional notion of the crystal field potential is narrowed to its non-spherical part only through ignoring the dominating spherical part which produces only a uniform energy shift of gravity centres of the free ion terms. It is well understood that the non-spherical part of the effective potential "seen" by open-shell electrons localized on a metal ion plays an essential role in most observed properties. | ||
| 500 | |a Light adsorption, electron paramagnetic resonance, inelastic neutron scattering and basic characteristics derived from magnetic and thermal measurements, are only examples of a much wider class of experimental results dependent on it. The influence is discerned in all kinds of materials containing unpaired localized electrons: ionic crystals, semiconductors and metallic compounds including materials as intriguing as high-<IT>T<INF>c</INF></IT> superconductors, or heavy fermion systems. It is evident from the above that we deal with a widespread effect relative to all free ion terms except those which can stand the lowered symmetry, e.g. <IT>S</IT>-terms. Despite the universality of the phenomenon, the available handbooks on solid state physics pay only marginal attention to it, merely making mention of its occurrence. Present understanding of the origins of the crystal field potential differs essentially from the pioneering electrostatic picture postulated in the twenties. | ||
| 500 | |a The considerable development of the theory that has been put forward since then can be traced in many regular articles scattered throughout the literature. The last two decades have left their impression as well but, to the authors' best knowledge, this period has not been closed with a more extended review. This has also motivated us to compile the main achievements in the field in the form of a book | ||
| 500 | |a Includes bibliographical references (p. 263-286) and indexes | ||
| 650 | 7 | |a Física do estado sólido |2 larpcal | |
| 650 | 7 | |a Crystal field theory |2 fast | |
| 650 | 4 | |a Crystal field theory | |
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| 700 | 1 | |a Gajek, Zbigniew |e Sonstige |4 oth | |
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Datensatz im Suchindex
| _version_ | 1804152906463576064 |
|---|---|
| any_adam_object | |
| author | Mulak, J. |
| author_facet | Mulak, J. |
| author_role | aut |
| author_sort | Mulak, J. |
| author_variant | j m jm |
| building | Verbundindex |
| bvnumber | BV042313882 |
| collection | ZDB-33-ESD ZDB-33-EBS |
| ctrlnum | (OCoLC)162566194 (DE-599)BVBBV042313882 |
| dewey-full | 538/.43 |
| dewey-hundreds | 500 - Natural sciences and mathematics |
| dewey-ones | 538 - Magnetism |
| dewey-raw | 538/.43 |
| dewey-search | 538/.43 |
| dewey-sort | 3538 243 |
| dewey-tens | 530 - Physics |
| discipline | Physik |
| edition | 1st ed |
| format | Electronic eBook |
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| id | DE-604.BV042313882 |
| illustrated | Not Illustrated |
| indexdate | 2024-07-10T01:18:09Z |
| institution | BVB |
| isbn | 9780080436081 0080436080 1281186406 9781281186409 |
| language | English |
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| physical | 1 Online-Ressource (xiii, 303 p.) |
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| spelling | Mulak, J. Verfasser aut The effective crystal field potential Jacek Mulak and Zbigniew Gajek 1st ed Oxford [England] Elsevier 2000 1 Online-Ressource (xiii, 303 p.) txt rdacontent c rdamedia cr rdacarrier As it results from the very nature of things, the spherical symmetry of the surrounding of a site in a crystal lattice or an atom in a molecule can never occur. Therefore, the eigenfunctions and eigenvalues of any bound ion or atom have to differ from those of spherically symmetric respective free ions. In this way, the most simplified concept of the crystal field effect or ligand field effect in the case of individual molecules can be introduced. The conventional notion of the crystal field potential is narrowed to its non-spherical part only through ignoring the dominating spherical part which produces only a uniform energy shift of gravity centres of the free ion terms. It is well understood that the non-spherical part of the effective potential "seen" by open-shell electrons localized on a metal ion plays an essential role in most observed properties. Light adsorption, electron paramagnetic resonance, inelastic neutron scattering and basic characteristics derived from magnetic and thermal measurements, are only examples of a much wider class of experimental results dependent on it. The influence is discerned in all kinds of materials containing unpaired localized electrons: ionic crystals, semiconductors and metallic compounds including materials as intriguing as high-<IT>T<INF>c</INF></IT> superconductors, or heavy fermion systems. It is evident from the above that we deal with a widespread effect relative to all free ion terms except those which can stand the lowered symmetry, e.g. <IT>S</IT>-terms. Despite the universality of the phenomenon, the available handbooks on solid state physics pay only marginal attention to it, merely making mention of its occurrence. Present understanding of the origins of the crystal field potential differs essentially from the pioneering electrostatic picture postulated in the twenties. The considerable development of the theory that has been put forward since then can be traced in many regular articles scattered throughout the literature. The last two decades have left their impression as well but, to the authors' best knowledge, this period has not been closed with a more extended review. This has also motivated us to compile the main achievements in the field in the form of a book Includes bibliographical references (p. 263-286) and indexes Física do estado sólido larpcal Crystal field theory fast Crystal field theory Kristallfeldtheorie (DE-588)4165760-3 gnd rswk-swf Kristallfeldtheorie (DE-588)4165760-3 s 1\p DE-604 Gajek, Zbigniew Sonstige oth http://www.sciencedirect.com/science/book/9780080436081 Verlag Volltext 1\p cgwrk 20201028 DE-101 https://d-nb.info/provenance/plan#cgwrk |
| spellingShingle | Mulak, J. The effective crystal field potential Física do estado sólido larpcal Crystal field theory fast Crystal field theory Kristallfeldtheorie (DE-588)4165760-3 gnd |
| subject_GND | (DE-588)4165760-3 |
| title | The effective crystal field potential |
| title_auth | The effective crystal field potential |
| title_exact_search | The effective crystal field potential |
| title_full | The effective crystal field potential Jacek Mulak and Zbigniew Gajek |
| title_fullStr | The effective crystal field potential Jacek Mulak and Zbigniew Gajek |
| title_full_unstemmed | The effective crystal field potential Jacek Mulak and Zbigniew Gajek |
| title_short | The effective crystal field potential |
| title_sort | the effective crystal field potential |
| topic | Física do estado sólido larpcal Crystal field theory fast Crystal field theory Kristallfeldtheorie (DE-588)4165760-3 gnd |
| topic_facet | Física do estado sólido Crystal field theory Kristallfeldtheorie |
| url | http://www.sciencedirect.com/science/book/9780080436081 |
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