Low-dimensional magnetism of spin-½ chain systems of α- and β-TeVO4: A comparative study

We present a comparative study of the low-dimensional compounds α- and β-TeVO4. Our data clearly show that the change in the local coordination geometry of V4+ ions between α- and β-TeVO4 leads to drastic differences in their magnetic properties. Despite sharing the same crystal structure, the two compounds manifest different magnetic exchange topologies. Both compounds exhibit a transition from ferro- to anti-ferromagnetic correlations with decreasing temperature. This effect, however, is driven by different mechanisms in the two compounds. In addition, dimensional crossover is found in β-TeVO4.

[1]  A. Izmailov.  On the capabilities of sub-Doppler photoionization spectroscopy in thin gas cells , 2012 .

[2]  S. Ovchinnikov,et al.  Intermediate-spin state of a 3d ion in the octahedral environment and generalization of the Tanabe-Sugano diagrams. , 2011, The journal of physical chemistry. A.

[3]  H. Berger,et al.  Magnetic properties of the antiferromagnetic spin-1/2 chain system beta-TeVO4 , 2011, 1109.3564.

[4]  A. A. Zvyagin,et al.  Magnetic crossover and complex excitation spectrum of the ferromagnetic/antiferromagnetic spin- 1 2 chain system α -TeVO 4 , 2008, 0810.0679.

[5]  K. Lamonova,et al.  Spin state transformations of a 3d ion in the pyramidal environment and under lattice distortions , 2007 .

[6]  M. Gingras,et al.  Raman scattering for triangular lattices spin-1/2 Heisenberg antiferromagnets , 2006, cond-mat/0608083.

[7]  A. Zvyagin.  Dynamical characteristics of frustrated quantum spin chains , 2006 .

[8]  M. Jansen,et al.  Magnetic excitations and phonons in the spin-chain compound NaCu2O2 , 2005, cond-mat/0511116.

[9]  K. Lamonova,et al.  Evolution of the spin state of a 3d ion in a pyramidal complex , 2005 .

[10]  K. Choi,et al.  Coexistence of dimerization and long-range magnetic order in the frustrated spin-chain system LiCu 2 O 2 : Inelastic light scattering study , 2003, cond-mat/0311432.

[11]  B. Schmidt,et al.  Magnetic susceptibility in quasi one-dimensional Baa2V3O9: chain segmentation versus the staggered field effect , 2002, cond-mat/0210204.

[12]  F. Illas,et al.  Magnetic structure of Li2CuO2: From ab initio calculations to macroscopic simulations , 2002, cond-mat/0205654.

[13]  M. Isobe,et al.  Phonon dynamics in AV(2)O(5) (A=Na,Ca,Mg,Cs) oxides , 2002 .

[14]  B. Sales,et al.  Magnetoelastic coupling and spin excitations in the spin-gap system (VO){sub 2}P{sub 2}O{sub 7}: A Raman scattering study , 1999, cond-mat/9912050.

[15]  C. Gros,et al.  NaV2O5 as a Quarter-Filled Ladder Compound , 1998, cond-mat/9801276.

[16]  G. Bouzerar,et al.  Elementary Excitations in Dimerized and Frustrated Heisenberg Chains , 1998, cond-mat/9801046.

[17]  T. Tohyama,et al.  ELECTRONIC STATES AND MAGNETIC PROPERTIES OF EDGE-SHARING CU-O CHAINS , 1997, cond-mat/9708232.

[18]  I. Affleck.  Soliton Confinement and the Excitation Spectrum of Spin-Peierls Antiferromagnets , 1997, cond-mat/9705127.

[19]  Y. Sasago,et al.  Spin fluctuations in CuGeO 3 probed by light scattering , 1996, cond-mat/9610134.

[20]  Shastry,et al.  Magnetic Raman Scattering from 1D Antiferromagnets. , 1996, Physical review letters.

[21]  Schulz,et al.  Magnetic excitation spectrum of dimerized antiferromagnetic chains. , 1996, Physical review. B, Condensed matter.

[22]  Boucher,et al.  Inelastic light scattering from magnetic fluctuations in CuGeO3. , 1996, Physical review letters.

[23]  Yamada,et al.  Light scattering from magnetic-energy fluctuations in the one-dimensional Heisenberg antiferromagnet KCuF3. , 1994, Physical review. B, Condensed matter.

[24]  B. Shraiman,et al.  Raman Scattering in Mott-Hubbard Systems , 1991 .

[25]  Shastry,et al.  Theory of Raman scattering in Mott-Hubbard systems. , 1990, Physical review letters.

[26]  Fleury,et al.  Quantitative determination of quantum fluctuations in the spin-1/2 planar antiferromagnet. , 1989, Physical review letters.

[27]  E. F. Bertaut,et al.  On group theoretical techniques in magnetic structure analysis , 1981 .

[28]  H. Thomas,et al.  Quantum spin dynamics of the antiferromagnetic linear chain in zero and nonzero magnetic field , 1981 .

[29]  Y. Iźyumov,et al.  Symmetry analysis in neutron diffraction studies of magnetic structures: 1. A phase transition concept to describe magnetic structures in crystals , 1979 .

[30]  G. Reiter.  Light scattering from energy fluctuations in magnetic insulators , 1976 .

[31]  P. M. Richards,et al.  Spin-fluctuation light scattering at high temperature , 1974 .

[32]  P. M. Richards,et al.  Frequency moments for two-spin light scattering in antiferromagnets , 1974 .

[33]  G. Meunier,et al.  L'oxyde double TeVO4 II. Structure cristalline de TeVO4-β-relations structurales , 1973 .

[34]  G. Meunier,et al.  L'oxyde double TeVO4. I. Synthèse et polymorphisme, structure cristalline de α-TeVO4 , 1972 .

[35]  J. Parkinson.  Optical properties of layer antiferromagnets with K2NiF4 structure , 1969 .

[36]  R. Loudon,et al.  Scattering of Light by One- and Two-Magnon Excitations , 1968 .

[37]  E. F. Bertaut,et al.  Representation analysis of magnetic structures , 1968 .