6 papers
What drives the charge/orbital ordering in La0.5Sr1.5MnO4: Jahn-Teller distortion versus orbital ordering
U. Staub, V. Scagnoli, A. M. Mulders +3
Temperature dependences of a magnetic and an orbital Bragg reflection at the Mn L2 and L3 edges of La0.5Sr1.5MnO4 have been collected. The temperature evolution of the orbital refl…
High-field phase diagram of the Haldane-gap antiferromagnet
H. Tsujii, Z. Honda, B. Andraka +2
We have determined the magnetic phase diagram of the quasi-one-dimensional 1 Heisenberg antiferromagnet by specific heat measurements to 150…
Observation of a Transient Magnetization Plateau in a Quantum Antiferromagnet on the Kagome Lattice
Y. Narumi, K. Katsumata, Z. Honda +6
The magnetization process of an S=1/2 antiferromagnet on the kagome lattice, [Cu_3(titmb)_2(OCOCH_3)_6]H_2O {titmb= 1,3,5-tris(imidazol-1-ylmethyl)-2,4,6 trimethylbenzene} has been…
Dynamics of an anisotropic Haldane antiferromagnet in strong magnetic field
A. Zheludev, S. M. Shapiro, Z. Honda +8
We report the results of elastic and inelastic neutron scattering experiments on the Haldane gap quantum antiferromagnet Ni(C5D14N2)2N3(PF6) performed at mK temperatures in a wide…
Zeeman levels with exotic field dependence in the high field phase of a S=1 Heisenberg antiferromagnetic chain
M. Hagiwara, Z. Honda, K. Katsumata +2
We have performed electron spin resonance measurements over a wide frequency and magnetic field range on a single crystal of the S=1 quasi-one-dimensional Heisenberg antiferromagne…
Massive triplet excitations in a magnetized anisotropic Haldane spin chain
A. Zheludev, Z. Honda, C. Broholm +5
Inelastic neutron scattering experiments on the Haldane-gap quantum antiferromagnet \nd are performed at mK temperatures in magnetic fields of almost twice the critical field …