The effect of an applied electric field on reconstruction in prototype structures of Interfacial Phase-Change is explored using ab-initio molecular dynamics and density-functional theory
ab-initio calculations of material properties, structure, and dynamics.
Using lasers and x-rays to probe ultrafast dynamics.
A density-functional theory study demonstrating the existence of a metastable optical-excited phase of MoTe2 suggesting that ultrafast switching is possible in monolayer MoTe2
An x-ray absorption study of the amorphous to crystalline tranformation in the phase-change alloy Cr₂Ge₂Te₆.
A free-electron laser study of sub-picosecond optical excitation-induced dynamics in the prototypical phase-change alloy Ge2Sb2Te5
Materials whose structure is used for storage.
Using synchrotron radiation to probe amorphous structure.
A time-resolved x-ray absorption experiment indicating photo-assisted amorphization in Ge₂Sb₂Te₅.
A synchrotron-based x-ray absorption study that directly measures the local structure of the amorphous and crystalline phases of the prototypical phase-change alloys Ge2Sb2Te5.