Temperature-dependent anomalous energy transport in finite-length quasi-one-dimensional MoS2 : Crossover from phonons to solitons

2021 ◽  
Vol 104 (22) ◽  
Author(s):  
Yangjie Wang ◽  
Jige Chen
Keyword(s):  
Finite Length ◽  
Energy Transport ◽  
Temperature Dependent ◽  
One Dimensional

Theory of ultrasonic attenuation in one and two dimensional metals

1976 ◽  
Vol 54 (14) ◽  
pp. 1454-1460 ◽  
Author(s):  
T. Tiedje ◽  
R. R. Haering
Keyword(s):  
Ultrasonic Attenuation ◽  
Three Dimensional ◽  
Electronic Systems ◽  
Two Dimensional ◽  
Temperature Dependent ◽  
One Dimensional ◽  
The Difference

The theory of ultrasonic attenuation in metals is extended so that it applies to quasi one and two dimensional electronic systems. It is shown that the attenuation in such systems differs significantly from the well-known results for three dimensional systems. The difference is particularly marked for one dimensional systems, for which the attenuation is shown to be strongly temperature dependent.

Temperature-Dependent Luminescence Quenching in Random Nano Porous Media

2004 ◽  
Author(s):  
Xiulin Ruan ◽  
Massoud Kaviany
Keyword(s):  
Porous Media ◽  
Thermal Emission ◽  
Luminescence Quenching ◽  
Photon Absorption ◽  
Temperature Dependent ◽  
One Dimensional ◽  
Irradiation Intensity ◽  
Enhanced Absorption ◽  
Coherent Wave ◽  
Transport Transition

The luminescence quenching of a random, crystalline one-dimensional model porous medium doped with rare-earth elements, is analyzed by considering the transport, transition, and interaction of the fundamental energy carriers. The quenching in nano porous media is enhanced compared to a single crystal, due to multiple scattering, enhanced absorption, and low thermal conductivity. The coherent wave treatment is used to calculate the photon absorption, in order to allow for field interference and enhancement. The luminescent and thermal emission is considered as incoherent. The luminescence quenching and non-linear thermal emission, occurring with increasing irradiation intensity, are predicted.

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