Magnetic order and enhanced exchange in the quasi-one-dimensional molecule-based antiferromagnet Cu(NO3)2(pyz)3

Benjamin M. Huddart; Jamie Brambleby; Tom Lancaster; Paul A. Goddard; Fan Xiao; Stephen J. Blundell; Francis L. Pratt; John Singleton; Piero Macchi; Rebecca Scatena; Alyssa M. Barton; Jamie L. Manson

doi:10.1039/C8CP07160H

Magnetic order and enhanced exchange in the quasi-one-dimensional molecule-based antiferromagnet Cu(NO₃)₂(pyz)₃†

Benjamin M. Huddart,

*^a Jamie Brambleby,^b Tom Lancaster,

^a Paul A. Goddard,

^b Fan Xiao,^cd Stephen J. Blundell,

^e Francis L. Pratt,

^f John Singleton,^g Piero Macchi,

^ch Rebecca Scatena,

^c Alyssa M. Bartonⁱ and Jamie L. Manson

*ⁱ

Author affiliations

* Corresponding authors

^a Centre for Materials Physics, Durham University, South Road, Durham DH1 3LE, UK
E-mail: benjamin.m.huddart@durham.ac.uk

^b Department of Physics, University of Warwick, Gibbet Hill Road, Coventry, UK

^c Department of Chemistry and Biochemistry, University of Bern, Freiestrasse 3, Bern, Switzerland

^d Laboratory for Neutron Scattering and Imaging, Paul Scherrer Institut, CH-5232 Villigen PSI, Switzerland

^e Department of Physics, Clarendon Laboratory, University of Oxford, Parks Road, Oxford OX1 3PU, UK

^f ISIS Pulsed Muon Facility, STFC Rutherford Appleton Laboratory, Chilton, Didcot, UK

^g National High Magnetic Field Laboratory, Los Alamos National Laboratory, MS-E536, Los Alamos, New Mexico 87545, USA

^h Polytechnic of Milan, Department of Chemistry, Materials and Chemical Engineering, via Mancinelli 7 20131, Milan, Italy

ⁱ Department of Chemistry and Biochemistry, Eastern Washington University, Cheney, Washington 99004, USA
E-mail: jmanson@ewu.edu

Abstract

The quasi-one-dimensional molecule-based Heisenberg antiferromagnet Cu(NO₃)₂(pyz)₃ has an intrachain coupling J = 13.7(1) K ( Image ID:c8cp07160h-t1.gif ) and exhibits a state of long-range magnetic order below T_N = 0.105(1) K. The ratio of interchain to intrachain coupling is estimated to be |J′/J| = 3.3 × 10⁻³, demonstrating a high degree of isolation for the Cu chains.

This article is part of the themed collection: 2018 PCCP HOT Articles

Physical Chemistry Chemical Physics

Magnetic order and enhanced exchange in the quasi-one-dimensional molecule-based antiferromagnet Cu(NO₃)₂(pyz)₃†

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Magnetic order and enhanced exchange in the quasi-one-dimensional molecule-based antiferromagnet Cu(NO₃)₂(pyz)₃

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