Lattice parameter effect on the isomeric shift

H. Pollak

doi:10.1002/pssb.19620020406

Lattice parameter effect on the isomeric shift

H. Pollak

Research output › peer-review

Abstract

By assuming that the number of conduction electrons is not perturbed by a slight hydrostatic pressure, we have computed the nuclear energy shift of the 14.4 KeV gamma ray of Fe⁵⁷ resulting from compression in an iron crystal. The atomic wave functions are those of the free atom but they are no longer allowed to extend to infinity: they are limited to the Wigner‐Seitz polyhedron. For a pressure of 3000 kg/cm² the calculated shift is 0.83 × 10⁻¹⁰ eV as compared to the experimental value of 1.12 × 10⁻¹⁰ eV obtained by POUND.

Original language	English
Pages (from-to)	417-420
Number of pages	4
Journal	Physica Status Solidi (B)
Volume	2
Issue number	4
DOIs	https://doi.org/10.1002/pssb.19620020406
State	Published - 1962

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

Access to Document

10.1002/pssb.19620020406

Cite this

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title = "Lattice parameter effect on the isomeric shift",

abstract = "By assuming that the number of conduction electrons is not perturbed by a slight hydrostatic pressure, we have computed the nuclear energy shift of the 14.4 KeV gamma ray of Fe57 resulting from compression in an iron crystal. The atomic wave functions are those of the free atom but they are no longer allowed to extend to infinity: they are limited to the Wigner‐Seitz polyhedron. For a pressure of 3000 kg/cm2 the calculated shift is 0.83 × 10−10 eV as compared to the experimental value of 1.12 × 10−10 eV obtained by POUND.",

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AB - By assuming that the number of conduction electrons is not perturbed by a slight hydrostatic pressure, we have computed the nuclear energy shift of the 14.4 KeV gamma ray of Fe57 resulting from compression in an iron crystal. The atomic wave functions are those of the free atom but they are no longer allowed to extend to infinity: they are limited to the Wigner‐Seitz polyhedron. For a pressure of 3000 kg/cm2 the calculated shift is 0.83 × 10−10 eV as compared to the experimental value of 1.12 × 10−10 eV obtained by POUND.

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