Temperature dependence of nuclear forward scattering of synchrotron radiation in α<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi mathvariant="normal">−</mml:mi></mml:mrow><mml:mrow><mml:mn>57</mml:mn></mml:mrow></mml:msup></mml:mrow></mml:math>Fe

Bergmann, Uwe; Shastri, S. D.; Siddons, D. P.; Batterman, B. W.; Hastings, J. B.

doi:10.1103/physrevb.50.5957

Cited by 38 publications

(17 citation statements)

References 18 publications

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“…They include, e.g., temperature dependences of the recoilless fraction [8,9,12,35], and second order Doppler shift [10][11][12]36]. The cited papers indicate good agreement of these parameters, the average square of the amplitude of vibrations hx 2 i and average square of the velocity, hv 2 i, with the ones calculated within harmonic crystal approximation [37,38]:…”

Section: Selection Of the Standardmentioning

confidence: 95%

“…It is a common practice to use the Debye approximation for calculations of the integrals in Eq. (8). Results of such calculations are shown in Fig.…”

Section: Selection Of the Standardmentioning

confidence: 96%

“…The difference in the Debye temperatures must result from approximation of the real shape of the DOS, g(x), by quadratic dependence, see discussion in [40]. Doubtless, a-Fe could be considered as a standard for which predictions (8) and (9) in relatively large temperature range agree well with the experimental data. From the solid lines representing (9) we get at T = 295 K f = 0.7985(5), df/dT = À5.43(5) Â 10 À4 K À1 , dd/dT = À6.61(5) Â 10 À4 mm s À1 K À1 .…”

Section: Selection Of the Standardmentioning

confidence: 98%

“…These methods involve advanced nuclear resonance scattering and nuclear inelastic resonance scattering of synchrotron radiation [8][9][10][11][12].…”

Section: Introductionmentioning

confidence: 99%

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Recoilless fraction determination by internal standard

Szymański¹,

Dobrzyński²,

Satuła³

et al. 2010

Nuclear Instruments and Methods in Physics Research Section B:

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Section: Selection Of the Standardmentioning

confidence: 95%

“…It is a common practice to use the Debye approximation for calculations of the integrals in Eq. (8). Results of such calculations are shown in Fig.…”

Section: Selection Of the Standardmentioning

confidence: 96%

Section: Selection Of the Standardmentioning

confidence: 98%

“…These methods involve advanced nuclear resonance scattering and nuclear inelastic resonance scattering of synchrotron radiation [8][9][10][11][12].…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Recoilless fraction determination by internal standard

Szymański¹,

Dobrzyński²,

Satuła³

et al. 2010

Nuclear Instruments and Methods in Physics Research Section B:

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“…It has a role that is similar to, but differs in detail, from the Debye-Waller factor in a diffraction experiment. 24 The difference between the Debye-Waller and the Lamb-Mössbauer factor can be seen from their precise definitions of these two quantities. The Debye-Waller factor is defined as…”

Section: The Lamb-mössbauer Factormentioning

confidence: 99%

Dynamics of Kr in dense clathrate hydrates

et al. 2011

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The dynamics of Kr atoms as guests in dense clathrate hydrate structures are investigated using site specific 83 Kr nuclear resonant inelastic x-ray scattering (NRIXS) spectroscopy in combination with molecular dynamics simulations. The dense structure H hydrate and filled-ice structures are studied at high pressures in a diamond anvil high-pressure cell. The dynamics of Kr in the structure H clathrate hydrate quench recovered at 77 K is also investigated. The Kr phonon density of states obtained from the experimental NRIXS data are compared with molecular dynamics simulations. The temperature and pressure dependence of the phonon spectra provide details of the Kr dynamics in the clathrate hydrate cages. Comparison with the dynamics of Kr atoms in the low-pressure structure II obtained previously was made. The Lamb-Mossbauer factor obtained from NRIXS experiments and molecular dynamics calculations are in excellent agreement and are shown to yield unique information on the strength and temperature dependence of guest-host interactions.

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Mössbauer Spectroscopy

Yang

2009

Digital Encyclopedia of Applied Physics

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Mössbauer spectroscopy is a unique technique based on nuclear resonance via recoil‐free emission, absorption, and scattering of γ‐rays. Because of its extremely high energy resolution and its particular timescale, a Mössbauer spectrum can provide valuable information on structural, chemical, magnetic, and dynamical properties of a variety of solid materials. Mössbauer spectroscopy finds applications in various fields of scientific research, such as physics, metallurgy, materials science, chemistry, mineralogy, biology, medicine, environmental science, archeology, and art. Mössbauer effect has been observed in about 100 isotopes. 57 Fe is by far the most important one, followed by 119 Sn. A typical Mössbauer spectrometer operates in the transmission geometry where the γ‐rays emitted from the source and modulated via Doppler effect are resonantly absorbed in a solid sample. The amount of transmitted γ‐rays is recorded and analyzed as a function of γ‐photon energy, resulting in a Mössbauer spectrum. The shape, location, and intensity of the absorption peaks in a Mössbauer spectrum can reveal hyperfine interactions between the Mössbauer isotope and its surroundings, and therefore provide information on the chemical, magnetic, and structural properties of the material under investigation. The emission, absorption, and scattering of γ‐rays may also involve the creation or annihilation of phonons. This process is intricately related to lattice dynamics and strongly dependent on temperature. Therefore, Mössbauer spectroscopy can be used for studying lattice vibrations and phonon density of states, as well as their dependence on temperature, pressure, crystallinity, impurity, and so on. As synchrotron radiation became available, new elastic and inelastic scattering methods have been developed. The emergence of time‐domain Mössbauer spectroscopy has provided not only evidence for the coherent decay of nuclear excitons but also a new methodology for extracting parameters of hyperfine interactions and lattice dynamics.

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Temperature dependence of nuclear forward scattering of synchrotron radiation in α−57Fe

Cited by 38 publications

References 18 publications

Recoilless fraction determination by internal standard

Recoilless fraction determination by internal standard

Dynamics of Kr in dense clathrate hydrates

Mössbauer Spectroscopy

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