Structural Distortions and Uniaxial Negative Thermal Expansion in the Polar Dion-Jacobson Oxide RbNdTa2O7
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We provide deeper insight into the crystal structures, sequential structural phase transitions (I2cm → Cmce → I4/mcm → P4/mmm), thermal expansion, and electronic properties of the n = 2 Dion-Jacobson polar oxide RbNdTa2O7, through X-ray powder diffraction, ... ...
