Analysis of the Magnetic Susceptibility as a Function of Temperature for the and Phases of Oxygen

Date

2016-04-24

Author

Yurtseven, Hasan Hamit

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https://hdl.handle.net/11511/74475

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Analysis of the Magnetic Susceptibility as a Function of Temperature for the alpha, beta and gamma Phases of Oxygen Yurtseven, Hasan Hamit (2017-03-01) We analyse the magnetic susceptibility chi as a function of temperature (zero pressure) for the transitions of alpha- beta, beta- gamma and gamma-liquid below and above the transition temperatures for oxygen according to a power-law formula. The observed data are used from the literature, and the values of the critical exponents for the magnetic susceptibility are deduced close to the phase transitions in oxygen. Our exponent values give a logarithmic singularity for the magnetic susceptibility chi in the v...
ANALYSIS OF THE FREQUENCY SHIFT AND THE LINEWIDTH AS A FUNCTION OF TEMPERATURE IN SOLID NITROGEN KURT, MUSTAFA; Yurtseven, Hasan Hamit (World Scientific Pub Co Pte Lt, 2011-10-30) The temperature dependence of the frequency shift and the linewidth is studied using the expressions derived from the anharmonic self-energy. The functional form of the frequency shift is fitted in this study to the experimental data for the R(1) fluorescence line of ruby sample as a function temperature at zero pressure, instead of using empirical nu-P and nu-T relations in the ruby fluorescence method as given in the literature, in particular, for the solid nitrogen. We also demonstrate in this study the ...
Analysis of the Raman Frequency Shifts for the Lattice Modes and Vibrons Related to the Thermodynamic Quantities in the eta Phase of Solid Nitrogen Yurtseven, Hasan Hamit (Walter de Gruyter GmbH, 2013-08-01) The thermodynamic quantities of the isothermal compressibility, thermal expansion and the specific heat are calculated here as a function of pressure by using the observed Raman frequencies of the lattice modes and vibrons in the. phase of solid nitrogen. The Pippard relations and their spectroscopic modifications are constructed, and the slope dP/dT is deduced from the Raman frequency shifts in this phase of N-2. It is shown that the thermodynamic quantities can be predicted from the Raman frequency shifts...
Analysis of the specific heat for the transitions of the phases I-II-III-IV in (N(CH3)4)2CuCl4 crystal Yurtseven, Hasan Hamit (2008-12-01)
Analysis of the Specific Heat for the Transitions of the Phases I-II-III-IV in (N(CH3)(4))(2)CUCl4 Crystal Yurtseven, Hasan Hamit (2008-01-01) The temperature dependence of the specific heat C-p is analyzed here using the experimental data according to a power-law formula with the critical exponent a for the transitions of commensurate (I), incommensurate (II) and the ferroelastic (III and IV) phases in (N(CH3)(4))(2)CUCl4 crystal. From our analysis, we extract the value of a approximate to 0 above and below T-c for the successive phase transitions of which is expected from the mean field theory (alpha =0 discontinuity), XY model (alpha =0 log) an...

Citation Formats

H. H. Yurtseven, “Analysis of the Magnetic Susceptibility as a Function of Temperature for the and Phases of Oxygen,” 2016, Accessed: 00, 2021. [Online]. Available: https://hdl.handle.net/11511/74475.