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000051540 0247_ $$2DOI$$a10.1088/0953-8984/17/41/025
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000051540 084__ $$2WoS$$aPhysics, Condensed Matter
000051540 1001_ $$0P:(DE-HGF)0$$aElter, P.$$b0
000051540 245__ $$aKinetics of decomposition in ionic solids: IV: Transition between nucleation and spinodal decomposition observed by time-resolved phonon spectroscopy
000051540 260__ $$aBristol$$bIOP Publ.$$c2005
000051540 300__ $$a6559 - 6573
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000051540 440_0 $$03703$$aJournal of Physics: Condensed Matter$$v17$$x0953-8984
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000051540 520__ $$aReal-time inelastic neutron scattering has been used to study the kinetics of the demixing process in AgBr-NaBr mixed single crystals. The variation of transverse acoustic phonon spectra provides most direct information about the microscopic non-equilibrium behaviour. The phase separation is monitored by a well defined splitting of phonon peaks that reflects the different dynamical behaviours of the constituents. As a function of temperature, time evolution of the phonon spectra changes drastically, thus proving unambiguously that the demixing process is dominated by nucleation in the high-temperature regime and by concentration fluctuations at low temperatures.
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000051540 7001_ $$0P:(DE-HGF)0$$aEckold, G.$$b1
000051540 7001_ $$0P:(DE-HGF)0$$aGibhardt, H.$$b2
000051540 7001_ $$0P:(DE-Juel1)VDB1436$$aSchmidt, W.$$b3$$uFZJ
000051540 7001_ $$0P:(DE-Juel1)VDB655$$aHoser, A.$$b4$$uFZJ
000051540 773__ $$0PERI:(DE-600)1472968-4$$a10.1088/0953-8984/17/41/025$$gVol. 17, p. 6559 - 6573$$p6559 - 6573$$q17<6559 - 6573$$tJournal of physics / Condensed matter$$v17$$x0953-8984$$y2005
000051540 8567_ $$uhttp://dx.doi.org/10.1088/0953-8984/17/41/025
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000051540 9141_ $$aNachtrag$$y2005
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