Zobrazeno 1 - 10
of 124
pro vyhledávání: '"Law, J. M."'
Autor:
Caslin, K., Kremer, R. K., Razavi, F. S., Schulz, A., Muñoz, A., Pertlik, F., Liu, J., Whangbo, M. -H., Law, J. M.
Publikováno v:
Phys. Rev. B 89, 014412 (2014)
The magnetic and lattice properties of the $S$=1/2 quantum-spin-chain ferromagnet, CuAs$_2$O$_4$, mineral name trippkeite, were investigated. The crystal structure of CuAs$_2$O$_4$ is characterized by the presence of corrugated CuO$_2$ ribbon chains.
Externí odkaz:
http://arxiv.org/abs/1401.3400
The magnetic properties of NiTa$_2$O$_6$ were investigated by magnetic susceptibility, specific heat, electron paramagnetic resonance, neutron powder diffraction and pulse field magnetization measurements. Accompanying \textit{ab initio} DFT calculat
Externí odkaz:
http://arxiv.org/abs/1401.2401
Publikováno v:
Phys. Rev. B 87, 224423 (2013)
Field-induced magnetic ordering in the Haldane chain compound SrNi$_{2}$V$_{2}$O$_{8}$ and effect of anisotropy have been investigated using single crystals. Static susceptibility, inelastic neutron scattering, high-field magnetization, and low tempe
Externí odkaz:
http://arxiv.org/abs/1310.0221
Autor:
Mourigal, M., Enderle, M., Fåk, B., Kremer, R. K., Law, J. M., Schneidewind, A., Hiess, A., Prokofiev, A.
Publikováno v:
Phys. Rev. Lett. 109, 027203 (2012)
Polarized and unpolarized neutron scattering experiments on the frustrated ferromagnetic spin-1/2 chain LiCuVO4 show that the phase transition at HQ of 8 Tesla is driven by quadrupolar fluctuations and that dipolar correlations are short-range with m
Externí odkaz:
http://arxiv.org/abs/1206.2972
The bulk magnetic properties of the new quasi-one-dimensional Heisenberg antiferromagnet, CuCrO$_4$, were characterized by magnetic susceptibility, heat capacity, optical spectroscopy, EPR and dielectric capacitance measurements and density functiona
Externí odkaz:
http://arxiv.org/abs/1106.0662
Specific heat measurements and theoretical calculations reveal an intimate analogy between EuTiO3 and SrTiO3. For EuTiO3 a hitherto unknown specific heat anomaly is discovered at TA=282(1)K which is analogous to the well known specific heat anomaly o
Externí odkaz:
http://arxiv.org/abs/1105.6029
Autor:
Law, J. M., Hoch, C., Glaum, R., Heinmaa, I., Stern, R., Kang, J., Lee, C., Whangbo, M. -H., Kremer, R. K.
Publikováno v:
Phys. Rev. B 83, 180414 (2011)
We investigated the magnetic and structural properties of the quasi-one dimensional 3$d^1$-quantum chain system TiPO$_4$ ($J \sim$ 965 K) by magnetic susceptibility, heat capacity, ESR, x-ray diffraction, NMR measurements, and by density functional c
Externí odkaz:
http://arxiv.org/abs/1104.4922
Publikováno v:
Phys. Rev. B 83, 100409(R) (2011)
We have studied the magnetic structure of the ferroelectric frustrated spin-1/2 chain material LiCuVO4 in applied electric and magnetic fields using polarized neutrons. A symmetry and mean-field analysis of the data rules out the presence of static D
Externí odkaz:
http://arxiv.org/abs/1103.4319
Akademický článek
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Publikováno v:
Avian Diseases, 1993 Apr 01. 37(2), 597-601.
Externí odkaz:
https://www.jstor.org/stable/1591695
