most citedDirect observation of optically induced transient structures in graphite using ultrafast electron crystallography

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cond-mat.mtrl-sci2008★ 141 cited

Direct observation of optically induced transient structures in graphite using ultrafast electron crystallography

Ramani K. Raman, Yoshie Murooka, Chong-Yu Ruan +3

We use ultrafast electron crystallography to study structural changes induced in graphite by a femtosecond laser pulse. At moderate fluences of ~< 21mJ/cm^2, lattice vibrations are…

cond-mat.mtrl-sci2008★ 27 cited

Photovoltage Dynamics of the Hydroxylated Si(111) Surface Investigated by Ultrafast Electron Diffraction

Ryan A. Murdick, Ramani K. Raman, Yoshie Murooka +1

We present a novel method to measure transient photovoltage at nanointerfaces using ultrafast electron diffraction. In particular, we report our results on the photoinduced electro…