Nonlinear optical study of the Fermi-surface oscillation in gold induced by acoustic-phonon excitation

2001 ◽  
Vol 64 (24) ◽  
Author(s):  
Chunlei Guo ◽  
Antoinette Taylor
Keyword(s):  
Fermi Surface ◽  
Acoustic Phonon ◽  
Nonlinear Optical ◽  
Surface Oscillation ◽  
Optical Study ◽  
Phonon Excitation

PRELIMINARY OPTICAL STUDY ON ER FLUIDS

1994 ◽  
Vol 08 (20n21) ◽  
pp. 2921-2933 ◽  
Author(s):  
L. W. ZHOU ◽  
J. F. YE ◽  
R. B. TAO ◽  
Y. TANG ◽  
J. F. PENG ◽  
...  
Keyword(s):  
Phase Transition ◽  
Electric Field ◽  
Electric Fields ◽  
Nonlinear Optical ◽  
Second Harmonic ◽  
Optical Response ◽  
Optical Study ◽  
Solid States ◽  
Linear And Nonlinear ◽  
Er Fluids

Linear and nonlinear optical study on electrorheological (ER) fluids is reported. The ER fluids under the investigation were glass beads, zeolite and ferroelectrics. The linear optical response of some ER fluids showed sharp changes near critical electric fields. An enhancement of electric field induced second harmonic generations (EFISH) was observed as the function of E2, where E is the external electric field. The said enhancement is considered to be corresponding to a modulation of the material's refractive index associated with the electric field induced polarization of the delocalized electrons. The enhanced nonlinear optical response on the transition between liquid and solid states can be related to the phase transition in ER fluids.

scholarly journals Nonlinear optical study of Schiff bases using Z-scan technique

2020 ◽  
Vol 124 ◽  
pp. 105968 ◽  
Author(s):  
Beata Derkowska-Zielinska ◽  
Magdalena Barwiolek ◽  
Christophe Cassagne ◽  
Georges Boudebs
Keyword(s):  
Schiff Bases ◽  
Nonlinear Optical ◽  
Optical Study

Spacing-dependent nonlinear optical study of FePt nanoparticles composited films

2020 ◽  
Vol 832 ◽  
pp. 154870
Author(s):  
Jian Yu ◽  
Xuemin Wang ◽  
Jin Wang ◽  
Zhengwei Xiong ◽  
Weidong Wu ◽  
...  
Keyword(s):  
Nonlinear Optical ◽  
Fept Nanoparticles ◽  
Optical Study

Nonlinear optical study of the Si(111)7×7 to 1×1 phase transition: Superheating and the nature of the 1×1 phase

1995 ◽  
Vol 52 (7) ◽  
pp. 5264-5268 ◽  
Author(s):  
U. Höfer ◽  
Leping Li ◽  
G. A. Ratzlaff ◽  
T. F. Heinz
Keyword(s):  
Phase Transition ◽  
Nonlinear Optical ◽  
Optical Study

Nonlinear Optical Study of Phase Transition in Lead Magnesium Niobate

1996 ◽  
Vol 35 (Part 1, No. 9B) ◽  
pp. 5062-5064 ◽  
Author(s):  
Kohji Fujishiro ◽  
Hidehisa Tazawa ◽  
Yoshiaki Uesu ◽  
Yasusada Yamada ◽  
Yohachi Yamashita
Keyword(s):  
Phase Transition ◽  
Nonlinear Optical ◽  
Lead Magnesium Niobate ◽  
Optical Study ◽  
Magnesium Niobate ◽  
Lead Magnesium

scholarly journals A nonlinear optical study of Frenkel excitons in Langmuir—Blodgett films

1991 ◽  
Vol 179 (4) ◽  
pp. 349-354 ◽  
Author(s):  
Jacob Terpstra ◽  
Henk Fidder ◽  
Douwe A. Wiersma
Keyword(s):  
Nonlinear Optical ◽  
Optical Study ◽  
Langmuir Blodgett ◽  
Langmuir Blodgett Films ◽  
Frenkel Excitons

Direct acoustic phonon excitation by intense and ultrashort terahertz pulses

2010 ◽  
Vol 97 (25) ◽  
pp. 251904 ◽  
Author(s):  
J.-M. Manceau ◽  
P. A. Loukakos ◽  
S. Tzortzakis
Keyword(s):  
Acoustic Phonon ◽  
Terahertz Pulses ◽  
Phonon Excitation

scholarly journals Conformational Steering in Substituted Poly(3,6-phenanthrene)s: A Linear and Nonlinear Optical Study

2009 ◽  
Vol 42 (12) ◽  
pp. 4282-4287 ◽  
Author(s):  
Wouter Vanormelingen ◽  
Alfons Smeets ◽  
Edith Franz ◽  
Inge Asselberghs ◽  
Koen Clays ◽  
...  
Keyword(s):  
Nonlinear Optical ◽  
Optical Study ◽  
Linear And Nonlinear

scholarly journals Probable Cause for the Superconductor-Like Properties of Alkane-Wetted Graphite and Single-Layer Graphene above Room Temperature under Ambient Pressure

2018 ◽  
Author(s):  
Myung-Hwan Whangbo
Keyword(s):  
Fermi Surface ◽  
Acoustic Phonon ◽  
Room Temperature ◽  
Ambient Pressure ◽  
Strong Support ◽  
Single Layer ◽  
Single Layer Graphene ◽  
Strong Electron ◽  
Layer Graphene ◽  
Fermi Surface Nesting

Recently Kawashima has reported that, when wetted with alkanes, several forms of graphite and single-layer graphene exhibit superconductor-like properties above room temperature under ambient pressure [AIP Adv. 2013, 3, 052132; arXiv:1612.05294; arXiv:1801.09376]. Under the assumption that these seemingly unlikely properties arise from the presence of paired electrons brought about by the alkane-wetting, we explored their implications to arrive at a probable mechanism for strong electron-pairing driven by Fermi surface nesting and acoustic phonon. This mechanism explains why alkane-wetting is essential for the graphene systems to become “superconductor-like” above room temperature and why the “Tc” of alkane-wetted pitch-based graphite fibers increases almost linearly from ~363 to ~504 K with increasing the molecular weight of alkane from heptane to hexadecane. It also provides a number of experimentally-verifiable predictions, the confirmation of which will provide a strong support for the superconductivity driven by Fermi surface nesting and acoustic phonon.

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