Calibration of the isomer shift of83Kr

Spijkervet, W.J.J.; Pleiter, F.

doi:10.1007/bf01026868

Cited by 12 publications

(2 citation statements)

References 17 publications

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“…Using the known value of A(?) for this transition [19], this corresponds to a decrease in the electron density at the nucleus of 0.51(9) a i 3 . The isomer shift of the quadrupole component showed the same trend, although with larger errors.…”

Section: Letter To the Editormentioning

confidence: 94%

“…The single line is associated with atoms in the bulk of the solid precipitates, while the quadrupole component originates from atoms at the Kr-A1 interface. There is no indication of the presence of a single line with S = +0.68(3) mm s-' that was ascribed to substitutional s3Rb(Kr) atoms in A1 [19]. It is well known that the EFG of atoms in the neighbourhood of a metal surface decreases from a high value at the outermost layer to nearly the bulk value in the next layer [9,IO].…”

Section: Letter To the Editormentioning

confidence: 99%

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Solid Kr bubbles in aluminium observed by⁸³Kr Mossbauer spectroscopy

Zhang¹,

Niesen²

1989

J. Phys.: Condens. Matter

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We have used Mossbauer spectroscopy on the 9.40 keV transition in R3Kr for the first time, in order to investigate the hyperfine interaction and lattice dynamics of Kr bubbles in Al. The spectra show two components: a single line from Kr atoms inside the bubble and a quadrupole component from Kr at the Kr-AI interface. The precipitates grow from 1.5 nm after implantation to 3.7 nm after 700 K annealing, while the characteristic Mossbauer temperature gradually decreases from 89 K to 64 K. At the same time a decrease in the isomer shift is observed. Both phenomena reflect the increase in atomic volume in the Kr bubbles during annealing. Our-experiments do not show melting in the temperature range 0-230 K.

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Section: Letter To the Editormentioning

confidence: 94%

Section: Letter To the Editormentioning

confidence: 99%