Mössbauer Spectra in the Presence of Electron Spin Relaxation (II)

Gabriel, H.; Bosse, J.; Ränder, K.

doi:10.1002/pssb.19680270132

Cited by 39 publications

(5 citation statements)

References 11 publications

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“…soit la méthode de la résolvante due à Fano (1963) [16] (Gabriel et al (1968) [17], Afanasev et al (1974) [18], Dattagupta et al (1977) [41]).…”

Section: Modèle De Chocs Aléatoires Distribués Auunclassified

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Théorie des effets de relaxation dans les spectres Mössbauer II. — Méthodes de calcul des formes de raie

Hartmann‐Boutron

1983

Rev. Phys. Appl. (Paris)

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“…soit la méthode de la résolvante due à Fano (1963) [16] (Gabriel et al (1968) [17], Afanasev et al (1974) [18], Dattagupta et al (1977) [41]).…”

Section: Modèle De Chocs Aléatoires Distribués Auunclassified

“…Notons aussi que les fréquences adoptées par Dattagupta correspondent à des temps caractéristiques anormalement courts pour des interactions dipôle-dipôle (À = 20 cm-1 équivaut à 1 -0,3 x 10-12 s alors qu'on s'attendrait plutôt à 10-1° s). [16][17][18][19][20][21][22] de [45].…”

Section: Modèle De Chocs Aléatoires Distribués Auunclassified

Théorie des effets de relaxation dans les spectres Mössbauer II. — Méthodes de calcul des formes de raie

Hartmann‐Boutron

1983

Rev. Phys. Appl. (Paris)

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“…which is the complete analogue to (11) if the nuclear spin-(effective)electronic spin interaction is replaced by the local electronic spin-(effective)environinental spin interaction (maintaining axial sgiiimetry i.e. [HR, Z J = 0).…”

Section: Slow Electronic Relaxationmentioning

confidence: 99%

Nuclear spin dynamics in the presence of electronic relaxation

Bosse

Gabriel

Vollmann

1975

Physica Status Solidi (b)

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Redfield's relaxation theory, which essentially includes all treatments published so far. has been expressed in a form which is independent of the explicit representation. The relaxation operator is given as an expression sufficiently general to deal with various types of experiments sensitive to the dynamical behaviour of a small subsystem coupled to its environment. e.g. S J I R , PAD, XE. Special attention has been paid to the treatment, of a spin system of cylindrical symmetry which relaxes via magnetic dipole interaction with the surroundings. The fast and slow relaxation regime as well as the transition between them is considered. As an application the N k b a u e r relaxation spectra of FeNH,(SO,), .Die Redfieldsche Relaxationsthcorie, die im wesentlichen alle bisher publizierten Behandlungen einschliellt, wird in eine Form gebracht, die unabhangig von der expliziten Darstellung ist. Fur den Relaxationsoperator a i r d ein Ausdruck angegeben, der genugend allhiedene Experimente zu behandeln, die empfindlich sind auf das dynamische Verlialten eines kleinen Subsystems, das mit seiner Umgebung gekoppelt ist, z. B. NMR. PAD, ME. Insbesondere wird der Fall eines Spinsystems zylindrischer Symmetrie, das iiber magnetische Dipolmechselwirkung mit seiner Umgebung relaxiert, untersncht. Die Bereiche schneller iind langsamer Relaxation sowie das Ubergangsgebiet zwischen diesen werden behandelt. Als Anwendung werden die 3Iol3bauer-Relaxationsspektren von FeXH,i(SO,), . 12H,O diskutiert.12H,O are discussed.

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“…On the other hand, a large quantity of papers were devoted to the generalisation of the Kubo and Tomita quantum perturbation theory (Afanascv and Kagan 1964, Bradford and Marshall. 1966, Gabriel 1967, Gabriel et al 1968, Hirst 1970, Schwegler 1970, Hartmann-Boutron and Spanjaard 1972, Hartmann-Boutron 1974, Afanasev and Gorobchenko 1974. Nowadays the theory has been developed in a sufficiently rigorous way for all the cases of interest.…”

Section: Introductionmentioning

confidence: 99%

Mossbauer spectra in paramagnetic relaxing systems

et al. 1986

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In this review we treat the study of electronic relaxation phenomena using Mossbauer spectroscopy. First, examples are discussed where it is possible to reproduce the spectral lineshape by use of a stochastic theory. The general case is then considered, including a full discussion on the application of ab initio theories. There then follows a detailed analysis of the microscopic mechanisms responsible for relaxation in insulators (e.g. spin-phonon and spin-spin interactions) and metals. Finally, the fast relaxation limit is considered.

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Mössbauer Spectra in the Presence of Electron Spin Relaxation (II)

Cited by 39 publications

References 11 publications

Théorie des effets de relaxation dans les spectres Mössbauer II. — Méthodes de calcul des formes de raie

Théorie des effets de relaxation dans les spectres Mössbauer II. — Méthodes de calcul des formes de raie

Nuclear spin dynamics in the presence of electronic relaxation

Mossbauer spectra in paramagnetic relaxing systems

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