Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
2001-03-26
Physics
Condensed Matter
Strongly Correlated Electrons
submitted to Phys. Rev. B
Scientific paper
10.1103/PhysRevB.64.134415
Magnetic excitations in the quasi-one-dimensional quantum antiferromagnets PbNi2V2O8 and SrNi2V2O8 are measured all the way up to the zone boundary energy using inelastic neutron scattering from powder samples. An estimate for next-nearest-neighbor in-chain interactions is obtained. The role played by these interactions in spin-vacancy induced magnetic ordering in PbNi2V2O8 is discussed.
Masuda Toshihiko
Nagler S. E.
Uchinokura Kunimitsu
Zheludev A.
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