Multidimensional nature of molecular organic conductors revealed by angular magnetoresistance oscillations

作者：Dhakal Pashupati; Yoshino Harukazu; Oh Jeong Il; Kikuchi Koichi; Naughton Michael J^*

来源：Synthetic Metals, 2012, 162(15-16): 1381-1385.

DOI：10.1016/j.synthmet.2012.05.021

• AMRO
• (DMET)(2)I-3
• Molecular organic conductors

Angle-dependent magnetoresistance experiments on organic conductors exhibit a wide range of angular oscillations associated with the dimensionality and symmetry of the crystal structure and electron energy dispersion. In particular, characteristics associated with 1, 2, and 3-dimensional electronic motion are separately revealed when a sample is rotated through different crystal planes in a magnetic field. Originally discovered in the TMTSF-based conductors, these effects are particularly pronounced in the related system (DMET)(2)I-3. Here, experimental and computational results for magnetoresistance oscillations in this material, over a wide range of magnetic field orientations, are presented in such a manner as to uniquely highlight this multidimensional behavior. The calculations employ the Boltzmann transport equation that incorporates the system%26apos;s triclinic crystal structure, which allows for accurate estimates of the transfer integrals along the crystallographic axes, verifying the 1D, 2D and 3D nature of (DMET)(2)I-3, as well as crossovers between dimensions in the electronic behavior.

• 出版日期2012-9