NMR study of molecular reorientations in NH4H2AsO4

Grosescu, R.

doi:10.1016/0009-2614(73)80019-3

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NMR study of molecular reorientations in NH4H2AsO4

Grosescu, R. (1973). NMR study of molecular reorientations in NH4H2AsO4. Chemical Physics Letters, 21(1), 80-82. doi:10.1016/0009-2614(73)80019-3.

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Grosescu, R.¹, Author

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1Max Planck Institute for Medical Research, Max Planck Society, ou_1125545

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Abstract: Zeeman (T1Z) and dipolar (T1D) spin-lattice relaxation times of protons in NH4H2AsO4 were measured as a function of temperature. The existence of a slow motion (τ ≈ 10−3 see) is established, which is most probably a low frequency hindered reorientation of H2AsO4 groups. This motion is slowed down below the Curie point Tc. A sharp increase of the dipolar relaxation rate above T = 314°K indicates the possibility of a new high temperature phase transition in this compound.

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Language(s): eng - English

Dates: Accepted: 1973-04-18Published Online: 2001-11-20Date issued: 1973-08-01

Publication Status: Issued

Pages: 3

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Identifiers: DOI: 10.1016/0009-2614(73)80019-3

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Title: Chemical Physics Letters

Other : Chem. Phys. Lett.

Source Genre: Journal

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Publ. Info: Amsterdam : North-Holland

Pages: - Volume / Issue: 21 (1) Sequence Number: - Start / End Page: 80 - 82 Identifier: ISSN: 0009-2614
CoNE: https://pure.mpg.de/cone/journals/resource/954925389241