Raman signatures of lattice dynamics across inversion symmetry breaking phase transition in quasi-1D compound, (TaSe${}_4$)${}_3$I

Arnab Bera, Partha Sarathi Rana, Suman Kalyan Pradhan +9

Structural phase transition can occur due to complex mechanisms other than simple dynamical instability, especially when the parent and daughter structure is of low dimension. This…