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- Radu Coldea, David A Tennant, Alexei M. Tsvelik, Zbigniew Tylczyński
- Physical review letters
- 2001

The ground-state ordering and dynamics of the two-dimensional S = 1/2 frustrated Heisenberg antiferromagnet Cs(2)CuCl(4) are explored using neutron scattering in high magnetic fields. We find that the dynamic correlations show a highly dispersive continuum of excited states, characteristic of the resonating valence bond state, arising from pairs of S = 1/2… (More)

- Talida Gratiela Radu, Heribert Wilhelm, +5 authors Frank Steglich
- Physical review letters
- 2005

We report on results of specific heat measurements on single crystals of the frustrated quasi-2D spin-1/2 antiferromagnet Cs2CuCl4 (T(N)=0.595 K) in external magnetic fields B<12 T and for temperatures T>30 mK. Decreasing B from high fields leads to the closure of the field-induced gap in the magnon spectrum at a critical field Bc approximately = 8.51 T and… (More)

- Zbigniew Tylczyński, Angelina Sterczyńska, Maciej Wiesner
- Journal of physics. Condensed matter : an…
- 2011

Temperature changes in the components of piezoelectric, elastic and dielectric tensors were studied in L-alanine crystals in the range 100-300 K. A jumpwise increase in the c(55) component of the elastic stiffness accompanied by maxima in damping of all face-shear modes observed at 199 K in L-alanine crystal were interpreted as a result of changes in the… (More)

- Zbigniew Tylczyński
- Spectrochimica acta. Part A, Molecular and…
- 2009

- Zbigniew Tylczyński, M Członkowska, M. Laniecki
- Journal of physics. Condensed matter : an…
- 2009

In the triclinic crystals Rb(2)MnCl(4)·2H(2)O, Cs(2)MnCl(4)·2H(2)O and Cs(2)CaCl(4)·2H(2)O the ferroelastic domain structure has been observed for temperatures from 100 K to the dehydration point. On heating at a few degrees before the dehydration point the structure has been found to reorganize. On heating in Rb(2)MnCl(4)·2H(2)O and Cs(2)MnCl(4)·2H(2)O… (More)

Magnetic excitations of the quasi-1D S = 1/2 Heisenberg antiferromagnet (HAF) Cs2CuCl4 have been measured as a function of magnetic field using neutron scattering. For T < 0.62 K and B=0 T the weak inter-chain coupling produces 3D incommensurate ordering. Fields greater than BC =1.66 T, but less than the field ( ≃ 8 T) required to fully align the spins, are… (More)

- Radu Coldea, David A Tennant, Klaus Habicht, Peter Smeibidl, Christian Wolters, Zbigniew Tylczyński
- Physical review letters
- 2002

We propose a method for measuring spin Hamiltonians and apply it to the spin- 1/2 Heisenberg antiferromagnet Cs2CuCl4, which shows a 2D fractionalized resonating valence bond state at low fields. By applying strong fields we fully align the spin moment of Cs2CuCl4, transforming it into an effective ferromagnet. In this phase the excitations are conventional… (More)

- M. - A. Vachon, Worasom Kundhikanjana, +5 authors Zbigniew Tylczyński
- 2006

We report 133 Cs nuclear magnetic resonance (NMR) measurements on the 2D frustrated Heisenberg antiferromagnet Cs 2 CuCl 4 down to 2 K and up to 15 T. We show that 133 Cs NMR is a good probe of the magnetic degrees of freedom in this material. Cu spin degrees of freedom are sensed through a strong anisotropic hyperfine coupling. The spin excitation gap… (More)

- Bikshandarkoil R. Srinivasan, Teja A Naik, Zbigniew Tylczyński, Kaustubh R Priolkar
- Spectrochimica acta. Part A, Molecular and…
- 2014

Reinvestigation of the growth of thiourea urea zinc sulfate crystal is reported. Aqueous reaction of thiourea, urea and zinc sulfate in 1:1:1 mol ratio results in the formation of the well known [Zn(tu)3(SO4)] (1) (tu=thiourea) crystal and not the 'so called' novel semiorganic nonlinear optical thiourea urea zinc sulfate (2) crystal, as claimed by Redrothu… (More)

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