We investigate magnetic and thermal behaviours of one-dimensional antiferromagnetic spin-i Ising chain with single-ion anisotropy at very low temperatures using the classical transfer matrix technique. Magnetic platea...We investigate magnetic and thermal behaviours of one-dimensional antiferromagnetic spin-i Ising chain with single-ion anisotropy at very low temperatures using the classical transfer matrix technique. Magnetic plateaus, phase diagram, specific heat, susceptibility of the spin chain have been evaluated numerically from the free energy. The results are in good agreement with the experimental data for the spin-1 compounds [Ni2 （Medpt）2 （μ- ox）（H2O）2]（ClO4）22H2O, [Ni2（Medpt）2（μ-ox）（μ-N3）]（ClO4）0.5H2O, Ni（C2H8N2）Ni（CN）4 and Ni（C10H8N2）2 Ni（CN）4·H2O.展开更多
With the model that the number of repeating units of the homologous series varies successively,we were able to described as the following equations:σ=(a 0+a 1n+a 2n 2)/(1+b 2n 2),where a 0?a 1?a 2?b 2 all refer to th...With the model that the number of repeating units of the homologous series varies successively,we were able to described as the following equations:σ=(a 0+a 1n+a 2n 2)/(1+b 2n 2),where a 0?a 1?a 2?b 2 all refer to the constants,n to the number of repeating units,σ to the condensed type physical properties of homologous straight chain single fatty acids series.Significant correlation was found between the condensed type physical properties of homologous straight chain single fatty acids series and their number of repeating units in this models.展开更多
文摘We investigate magnetic and thermal behaviours of one-dimensional antiferromagnetic spin-i Ising chain with single-ion anisotropy at very low temperatures using the classical transfer matrix technique. Magnetic plateaus, phase diagram, specific heat, susceptibility of the spin chain have been evaluated numerically from the free energy. The results are in good agreement with the experimental data for the spin-1 compounds [Ni2 （Medpt）2 （μ- ox）（H2O）2]（ClO4）22H2O, [Ni2（Medpt）2（μ-ox）（μ-N3）]（ClO4）0.5H2O, Ni（C2H8N2）Ni（CN）4 and Ni（C10H8N2）2 Ni（CN）4·H2O.
文摘With the model that the number of repeating units of the homologous series varies successively,we were able to described as the following equations:σ=(a 0+a 1n+a 2n 2)/(1+b 2n 2),where a 0?a 1?a 2?b 2 all refer to the constants,n to the number of repeating units,σ to the condensed type physical properties of homologous straight chain single fatty acids series.Significant correlation was found between the condensed type physical properties of homologous straight chain single fatty acids series and their number of repeating units in this models.
