Investigation of the equation of state of molybdenum diboride (MoB2) has been performed to 24.1GPa using synchrotron radiation angle-dispersive x-ray diffraction techniques (ADXRD) in a diamond anvil cell (DAC) at room temperature. Rietveld refinement of the X-ray powder diffraction data reveals that the rhombohedral structure MoB2 is stable up to 24.1GPa. The ADXRD data yield a bulk modulus K-0 - 314(11) GPa with a pressure derivative K-0(!) - 6.4(1.5). The experimental data are discussed and compared to the results of first-principles calculations. In addition, the compressibility of the unit cell axes (a and c axes) of MoB2 demonstrates an anisotropic property with pressure increasing. (C) 2014 AIP Publishing LLC.
Liu, PP,Peng, F,Yin, S,et al. Exploring the behavior of molybdenum diboride ( MoB2): A high pressure x-ray diffraction study[J]. JOURNAL OF APPLIED PHYSICS,2014,115(16):163502.
Liu, PP.,Peng, F.,Yin, S.,Liu, FM.,Wang, QM.,...&He, DW；刘景.(2014).Exploring the behavior of molybdenum diboride ( MoB2): A high pressure x-ray diffraction study.JOURNAL OF APPLIED PHYSICS,115(16),163502.
Liu, PP,et al."Exploring the behavior of molybdenum diboride ( MoB2): A high pressure x-ray diffraction study".JOURNAL OF APPLIED PHYSICS 115.16(2014):163502.