Correlation of Zero Field Splittings and Site Distortions Interstitial Incorporation of Mn 2+  in Urea‐Ammoniumchloride (H 2 N) 2 CO · NH 4 Cl | Zendy

Heming M. | Zendy; Lehmann G. | Zendy

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Correlation of Zero Field Splittings and Site Distortions Interstitial Incorporation of Mn 2+ in Urea‐Ammoniumchloride (H 2 N) 2 CO · NH 4 Cl

Author(s) -

Heming M.,

Lehmann G.

Publication year - 1984

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.2221240134

Subject(s) - electron paramagnetic resonance , chemistry , ion , zero field splitting , crystallography , molecule , field (mathematics) , spectral line , zero (linguistics) , urea , physics , nuclear magnetic resonance , electron , mathematics , organic chemistry , linguistics , philosophy , quantum mechanics , astronomy , pure mathematics , spin polarization

In (H 2 N) 2 CO · NH 4 Cl single crystals doped with Mn 2+ three crystallographically inequivalent sets of EPR spectra with relative intensities of 8:3:2 are observed and analyzed. The second order zero field splitting parameters b 0 2 = ‐744.7; ‐712.2; ‐736.5 and b 2 2 = ‐127.1; ‐160.8; ‐111.2 (all in 10 −4 cm −1 ) and the directions of their principal axes can only be explained by incorporation of Mn 2+ into interstitial sites midway between two NH 4 sites with two water molecules replacing these ammonium ions in close analogy to NH 4 Cl:Mn.

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