phonon confinement
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scholarly journals Phonon confinement and interface lattice dynamics of ultrathin high-k rare earth sesquioxide films: the case of Eu2O3 on YSZ(001)

2022 ◽  
Author(s):  
Svetoslav Stankov ◽  
Dániel G. Merkel ◽  
Jochen Kalt ◽  
Jörg Göttlicher ◽  
Jan Łażewski ◽  
...  
Keyword(s):  
Thin Films ◽  
Rare Earth ◽  
Lattice Dynamics ◽  
Phonon Confinement ◽  
Vibrational Dynamics ◽  
High K ◽  
Crystal Phases ◽  
Thick Layers

We demonstrate that sub-nanometer-thick layers exhibiting exotic crystal phases that might form at the interface between two materials constitute a source of novel vibrational dynamics of thin films and multilayers.

Low-field mobility in an electrostatically confined 2D rectangular nanowire: Effect of density of states and phonon confinement

2021 ◽  
Author(s):  
S. Sreenadh ◽  
Jaya Jha ◽  
Vikas Pendem ◽  
Yogendra Kumar Yadav ◽  
Swaroop Ganguly ◽  
...  
Keyword(s):  
Density Of States ◽  
Phonon Confinement ◽  
Low Field ◽  
Field Mobility ◽  
Low Field Mobility

Hot-carrier radiative recombination through phonon confinement in silicon nanocrystals embedded in colloidal xerogel matrix

2021 ◽  
Vol 130 (3) ◽  
pp. 033102
Author(s):  
Susmita Biswas ◽  
Anupam Nandi ◽  
Ujjwal Ghanta ◽  
Biswajit Jana ◽  
Sumita Mukhopadhyay ◽  
...  
Keyword(s):  
Silicon Nanocrystals ◽  
Radiative Recombination ◽  
Phonon Confinement ◽  
Hot Carrier

Thermal Sensitive Quantum and Phonon Confinement in Semiconducting Triangular-Shaped MoS2

2021 ◽  
Author(s):  
Bishnu Pada Majee ◽  
Jay Deep Gupta ◽  
Abhishek Sanskrityayn ◽  
Ashish Kumar Mishra
Keyword(s):  
Phonon Confinement

Raman characterization of phonon confinement and strain effects from latent ion tracks in α‐quartz

2021 ◽  
Author(s):  
Maria C. Garcia Toro ◽  
Miguel L. Crespillo ◽  
Jose Olivares ◽  
Joseph T. Graham
Keyword(s):  
Phonon Confinement ◽  
Strain Effects ◽  
Ion Tracks ◽  
Raman Characterization

Optical study of electron and acoustic phonon confinement in ultrathin-body germanium-on-insulator nanolayers

Nanoscale ◽  
2021 ◽  
Author(s):  
Vladimir Poborchii ◽  
Jesse Groenen ◽  
Pavel I. Geshev ◽  
Junichi Hattori ◽  
Wen Hsin Chang ◽  
...  
Keyword(s):  
Band Gap ◽  
Acoustic Phonon ◽  
Optical Study ◽  
Phonon Confinement ◽  
Electron Band ◽  
Interface Disorder

Ge-on-insulator (GeOI) acoustic phonon frequencies and E1 electron band gap vs. GeOI thickness (T) show agreement with confinement theories at T > 5 nm and disagree at T < 5 nm. Al2O3 coating improves agreement at T < 5 nm due to interface disorder reduction.

Infrared spectroscopy of CeO2 nanoparticles using Bergman’s spectral representation: effects of phonon confinement and lattice strain

2021 ◽  
Author(s):  
Inigo González de Arrieta ◽  
Leire del Campo ◽  
Domingos De Sousa Meneses
Keyword(s):  
Infrared Spectroscopy ◽  
Cerium Oxide ◽  
Dielectric Function ◽  
Lattice Strain ◽  
Spectral Representation ◽  
Ceo2 Nanoparticles ◽  
Phonon Confinement ◽  
Function Model

The dielectric function of a cerium oxide nanopowder has been investigated by infrared spectroscopy. The use of Bergman’s spectral representation and a semi-quantum dielectric function model allows an accurate retrieval...

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