Abstract
Directional, four-probe electrical resistivity and magnetic susceptibility measurements were carried out on the bronze-like, purple compound, La 2Mo 2O 7, between room temperature and 1.5 and 4.2 K, respectively. The resistivity is anisotropic with ϱ(300 K) = 6.4 × 10 −2, 5.9 × 10 −2, and 4.0 × 10 −3 (Ω cm) along the a, b, and c directions of the orthorhombic unit cell, respectively. There is an increase in the resistivity near 125 K, and a drop in the susceptibility seen with H parallel to the c axis but not perpendicular to it. These observations are indicative of a charge-density-wave (CDW) transition.
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