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Local instability in BaF<sub>2</sub>:Mn<sup>2+</sup>: Analysis of lattice relaxation

M. T. BarriusoDpto. Física Moderna , Facultad de Ciencias , Universidad de Cantabria, 39005, Samander, SpainP. G. BaranovA. F. loffe Physicotechnical Institute, Academy of Sciences of the URSS , LeningradM. MorenoD.C.I.T.T.Y.M. (Dicisión de Ciencia de Materiales)., Facultad de Ciencias , Universidad de Cantabria, 39005, Santander, Spain

Radiation effects and defects in solidsjournal1991en

ABI

Annotatsiya

Abstract The distortion undergone by BaF2 : Mn2+ below 50 K is examined here through the analysis of the experimental isotropic (As) and anisotropic (Ap) superhyperfne constants. This quantitative analysis support that the “short” Mn2+-F− distance experiences a decrement of 8(4) pm with respect to the distance R= 232(2) existing in the Oh MnF8 6- complex in BaF2 at room temperature. By contrast the “long” Mn2+-F− distance becomes 250(3) pm.

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Inorganic Fluorides and Related Compounds Atomic and Molecular Physics Muon and positron interactions and applications

Identifikatorlar

DOI: 10.1080/10420159108224874

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