Dimorphism in iron(II) methylphosphonate: Low-temperature crystal structure and temperature-dependent Mossbauer studies of a new form of the layered weak ferromagnet Fe[(CH{sub 3}PO{sub 3})(H{sub 2}O)]

Leone, Philippe; Palvadeau, Pierre; Boubekeur, Kamal; Meerschaut, Alain; Bellitto, Carlo; Bauer, Elvira M; Righini, Guido; Fabritchnyi, Pavel

doi:10.1016/j.jssc.2005.01.020

Title: Dimorphism in iron(II) methylphosphonate: Low-temperature crystal structure and temperature-dependent Mossbauer studies of a new form of the layered weak ferromagnet Fe[(CH{sub 3}PO{sub 3})(H{sub 2}O)]

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Abstract

A second form of the literature-known layered weak ferromagnet Fe[(CH{sub 3}PO{sub 3})(H{sub 2}O)] has been isolated. The crystal structure determination of this new form (2) has been carried out at T=300, 200 and 130K. It crystallizes in the orthorhombic space group Pmn2{sub 1}: a=5.7177(11), b=8.8093(18), c=4.8154(10)A, while form (1) crystallizes in the space group Pna2{sub 1}: a=17.58(2), b=4.814(1), c=5.719(1)A. Moessbauer spectroscopy on form (2) has been performed in the temperature range 4-300K; and, at T{approx}160K, a drastic change in the quadrupole splitting ({delta}E) and a broadening of the doublet components is noticed. But surprisingly, on cooling the crystal, no structural change is observed, which could account for the increase in {delta}E. Below T=25K, {sup 57}Fe spectra transform into hyperfine splitting patterns which reveal a magnetically ordered state in agreement with the results of earlier magnetic susceptibility studies.

Authors:

Leone, Philippe ^[1]; Palvadeau, Pierre ^[1]; Boubekeur, Kamal ^[1]; Meerschaut, Alain ^[1]; Bellitto, Carlo ^[2]; Bauer, Elvira M ^[2]; Righini, Guido ^[2]; Fabritchnyi, Pavel ^[3]

Laboratoire de Chimie des Solides, Institut des Materiaux Jean Rouxel, UMR CNRS 6502, 2, rue de la Houssiniere, B.P. 33229, FR-44322 Nantes, Cedex 3 (France)
CNR-Istituto di Struttura della Materia, via Salaria Km 29.5, C.P. 10, I-00016, Monterotondo Stazione, Rome (Italy)
Department of Chemistry, M.V. Lomonosov Moscow State University, 119899 Moscow V-234 (Russian Federation)

Publication Date:: Fri Apr 15 00:00:00 EDT 2005

OSTI Identifier:: 20725881

Resource Type:: Journal Article

Journal Name:: Journal of Solid State Chemistry

Additional Journal Information:: Journal Volume: 178; Journal Issue: 4; Other Information: DOI: 10.1016/j.jssc.2005.01.020; PII: S0022-4596(05)00033-2; Copyright (c) 2005 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 0022-4596

Country of Publication:: United States

Language:: English

Subject:: 37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; CRYSTALS; FERROMAGNETIC MATERIALS; IRON COMPLEXES; MAGNETIC SUSCEPTIBILITY; ORTHORHOMBIC LATTICES; SPACE GROUPS; TEMPERATURE DEPENDENCE; TEMPERATURE RANGE 0000-0013 K; TEMPERATURE RANGE 0013-0065 K; TEMPERATURE RANGE 0065-0273 K; TEMPERATURE RANGE 0273-0400 K

Citation Formats


                    Leone, Philippe, Palvadeau, Pierre, Boubekeur, Kamal, Meerschaut, Alain, Bellitto, Carlo, Bauer, Elvira M, Righini, Guido, and Fabritchnyi, Pavel. Dimorphism in iron(II) methylphosphonate: Low-temperature crystal structure and temperature-dependent Mossbauer studies of a new form of the layered weak ferromagnet Fe[(CH{sub 3}PO{sub 3})(H{sub 2}O)].  United States: N. p., 2005. 
        Web.  doi:10.1016/j.jssc.2005.01.020.

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                    Leone, Philippe, Palvadeau, Pierre, Boubekeur, Kamal, Meerschaut, Alain, Bellitto, Carlo, Bauer, Elvira M, Righini, Guido, & Fabritchnyi, Pavel. Dimorphism in iron(II) methylphosphonate: Low-temperature crystal structure and temperature-dependent Mossbauer studies of a new form of the layered weak ferromagnet Fe[(CH{sub 3}PO{sub 3})(H{sub 2}O)].  United States.  https://doi.org/10.1016/j.jssc.2005.01.020

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                    Leone, Philippe, Palvadeau, Pierre, Boubekeur, Kamal, Meerschaut, Alain, Bellitto, Carlo, Bauer, Elvira M, Righini, Guido, and Fabritchnyi, Pavel. 2005.  
        "Dimorphism in iron(II) methylphosphonate: Low-temperature crystal structure and temperature-dependent Mossbauer studies of a new form of the layered weak ferromagnet Fe[(CH{sub 3}PO{sub 3})(H{sub 2}O)]".  United States.  https://doi.org/10.1016/j.jssc.2005.01.020.

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@article{osti_20725881,

  title        = {Dimorphism in iron(II) methylphosphonate: Low-temperature crystal structure and temperature-dependent Mossbauer studies of a new form of the layered weak ferromagnet Fe[(CH{sub 3}PO{sub 3})(H{sub 2}O)]},

  author       = {Leone, Philippe and Palvadeau, Pierre and Boubekeur, Kamal and Meerschaut, Alain and Bellitto, Carlo and Bauer, Elvira M and Righini, Guido and Fabritchnyi, Pavel},

  abstractNote = {A second form of the literature-known layered weak ferromagnet Fe[(CH{sub 3}PO{sub 3})(H{sub 2}O)] has been isolated. The crystal structure determination of this new form (2) has been carried out at T=300, 200 and 130K. It crystallizes in the orthorhombic space group Pmn2{sub 1}: a=5.7177(11), b=8.8093(18), c=4.8154(10)A, while form (1) crystallizes in the space group Pna2{sub 1}: a=17.58(2), b=4.814(1), c=5.719(1)A. Moessbauer spectroscopy on form (2) has been performed in the temperature range 4-300K; and, at T{approx}160K, a drastic change in the quadrupole splitting ({delta}E) and a broadening of the doublet components is noticed. But surprisingly, on cooling the crystal, no structural change is observed, which could account for the increase in {delta}E. Below T=25K, {sup 57}Fe spectra transform into hyperfine splitting patterns which reveal a magnetically ordered state in agreement with the results of earlier magnetic susceptibility studies.},

  doi          = {10.1016/j.jssc.2005.01.020},

  url          = {https://www.osti.gov/biblio/20725881},
  journal      = {Journal of Solid State Chemistry},

  issn         = {0022-4596},

  number       = 4,

  volume       = 178,

  place        = {United States},

  year         = {Fri Apr 15 00:00:00 EDT 2005},

  month        = {Fri Apr 15 00:00:00 EDT 2005}

}

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