Unit cell of paraelectric (IMAGE)

Max Born Institute for Nonlinear Optics and Short Pulse Spectroscopy (MBI)

Unit cell of paraelectric

Caption

Figure 3: a) Unit cell of paraelectric KDP. b) Equilibrium electron density map at room temperature, ρ0(r) is shown in the gray plane of a) containing the potassium (K), phosphorous (P), and the two upper oxygen (O) atoms of the phosphate group. The dashed lines represent the atomic positions. c) and d) Transient electron density maps Δρ(r,t) at selected delay times t after impulsive-Raman excitation of the soft mode. Green arrows show the directions of the valence charge relocation.

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MBI

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