Fig. 1: Crystal structure of VO2. | npj Quantum Materials

Fig. 1: Crystal structure of VO2.

From: Tensor network study of the light-induced phase transitions in vanadium dioxide

Fig. 1

Here the red (blue) spheres represent vanadium (oxygen) atoms. In the rutile R phase (left), the vanadium atoms are located at the center of the octahedrons made of oxygen atoms. The finite X1 and X2 lattice distortions characterize the monoclinic M1 phase (right), where the X1 component captures the dimerization along the cR axis, and the X2 component acts as a tilting perpendicular to the cR axis.

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