Ultrafast electron diffraction from non-equilibrium phonons in femtosecond laser heated Au films

2016 ◽  
Vol 108 (4) ◽  
pp. 041909 ◽  
Author(s):  
T. Chase ◽  
M. Trigo ◽  
A. H. Reid ◽  
R. Li ◽  
T. Vecchione ◽  
...  
Keyword(s):  
Electron Diffraction ◽  
Femtosecond Laser ◽  
Ultrafast Electron Diffraction ◽  
Laser Heated ◽  
Non Equilibrium

Ultrafast structural dynamics of boron nitride nanotubes studied using transmitted electrons

Nanoscale ◽  
2017 ◽  
Vol 9 (35) ◽  
pp. 13313-13319 ◽  
Author(s):  
Zhongwen Li ◽  
Shuaishuai Sun ◽  
Zi-An Li ◽  
Ming Zhang ◽  
Gaolong Cao ◽  
...  
Keyword(s):  
Electron Microscope ◽  
Electron Diffraction ◽  
Boron Nitride ◽  
Femtosecond Laser ◽  
Structural Dynamics ◽  
Laser System ◽  
Boron Nitride Nanotubes ◽  
Ultrafast Electron Diffraction ◽  
Transmission Electron ◽  
System P

Ultrafast electron diffraction studies of structural dynamics of boron nitride nanotubes using a transmission electron microscope with a femtosecond laser system.

scholarly journals Ultrafast lattice dynamics in lead selenide quantum dot

2019 ◽  
Vol 205 ◽  
pp. 04017
Author(s):  
Xuan Wang ◽  
Matthew Gorflen ◽  
Jianming Cao
Keyword(s):  
Quantum Dots ◽  
Electron Diffraction ◽  
Femtosecond Laser ◽  
Heat Transport ◽  
Lattice Dynamics ◽  
Phonon Coupling ◽  
Ultrafast Electron Diffraction ◽  
Phonon Bottleneck ◽  
Electron Phonon Coupling ◽  
Lattice Dilation

We monitored the femtosecond-laser-induced lattice dynamics in PbSe quantum dots by ultrafast electron diffraction. The electron-phonon coupling didn’t show phonon bottleneck. And lattice dilation exhibited unusual features. Heat transport to the substrate deviated significantly from Fourier’s Law.

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