Partial Field-Induced Magnetic Order in the Spin-Liquid KagoméNd3Ga5SiO14
作者： HD Zhou , BW Vogt , JA Janik , Y-J Jo , L Balicas
DOI: 10.1103/PHYSREVLETT.99.236401
关键词: Magnetization 、 Condensed matter physics 、 Spins 、 Neutron scattering 、 Physics 、 Frustration 、 Strongly correlated material 、 Quantum spin liquid 、 Field (physics) 、 Neutron diffraction 、 General Physics and Astronomy
摘要: The distorted kagome system Nd3Ga5SiO14 has been investigated with neutron scattering down to 0.046 K no evidence of magnetic long range order the Nd3+ moments in a zero field. Substantial diffuse is observed which agreement nearest-neighbor correlations between fluctuating spins. Upon application field c direction, reduced intensity while Bragg peaks grow saturate by 1 T 1/2 expected magnetization. These measurements suggest that unique spin-liquid state develops frustration index f approximately |theta|/T_{C}> or =1300.
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