EPR of 3d 5 and 3d 8 Ions in Crystals With Perchlorate Structure at High Pressure

EPR of 3d 5 and 3d 8 Ions in Crystals With Perchlorate Structure at High Pressure

EPR spectra for ions Ni 2+ (3d 5 ) and Mn 2+ (3d 5 ) substituting Zn 2+ in crystals Zn(BF 4 ) 2 ·6H 2 O are studied within a wide range under hydrostatic pressure in X and Q bands. It is shown that the pressure changes to a considerable extent the spectrum parameters of ion Mn 2+ , reducing axial pa...

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Bibliographic Details
Published in:High pressure research Vol. 22; no. 1; pp. 69 - 71
Main Authors: Krygin, I.M., Prokhorov, A.A., Neilo, G.N., Prokhorov, A.D., Dyakonov, V.P.
Format: Journal Article
Language:English
Published: Taylor & Francis Group 01-01-2002
Subjects:
3d Ions
Epr
High Pressure
Perchlorate
Online Access:Get full text
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Summary:EPR spectra for ions Ni 2+ (3d 5 ) and Mn 2+ (3d 5 ) substituting Zn 2+ in crystals Zn(BF 4 ) 2 ·6H 2 O are studied within a wide range under hydrostatic pressure in X and Q bands. It is shown that the pressure changes to a considerable extent the spectrum parameters of ion Mn 2+ , reducing axial parameter b_{2}^{0} and increasing cubic one b_{4}^{0} at 9 kbar pressure, there is no temperature dependency of parameter b_{2}^{0} . Hydrostatic pressure changes linearly the initial splitting of ion Ni 2+ and results to a change in D(b_{2}^{0}) sign, which means the spin levels inversion at 3.5 kbar.
ISSN:0895-7959
1477-2299
DOI:10.1080/08957950211375