Archive: 2007 - Moldavian Journal of the Physical Sciences

05 Jan 2007

2007
V. 6
1
(p.32 - 38)

Nanophononics: Fine-tuning phonon dispersion in semiconductor nanostructures

Authors:

Balandin, Anton

Summary:

Phonons manifest themselves in all electrical, thermal, optical and noise phenomena in semiconductors. Reduction of the feature size of electronic devices below the acoustic phonon mean free path creates a new situation for the phonon transport. On the one hand, the phonon– rough boundary scattering complicates heat removal from the downscaled devices. On the other hand, spatial confinement of the acoustic phonons creates an opportunity for intelligent tuning of the phonon dispersion in semiconductor nanostructures and achieving enhanced operation of devices based on these nanostructures. This paper presents a brief review of the recent developments in the field of nanophononics. Specifically, it focuses on methods of tuning the phonon spectrum in acoustically mismatched nano- and heterostructures in order to change the electron mobility and phonon thermal conductivity.

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rough boundary scattering complicates heat removal from the downscaled devices. On the 
other hand, spatial confinement of the acoustic phonons creates an opportunity for intelligent 
tuning of the phonon dispersion in semiconductor nanostructures and achieving enhanced  
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BibTeX

@article{ibn_3622,
author = {Balandin, A.},
title = {Nanophononics: Fine-tuning phonon dispersion in semiconductor nanostructures },
journal = {Moldavian Journal of the Physical Sciences},
year = {2007},
volume = {6 (1)},
pages = {32-38},
month = {Jan},
abstract = {(EN) Phonons manifest themselves in all electrical, thermal, optical and noise phenomena in 

semiconductors. Reduction of the feature size of electronic devices below the acoustic phonon 
mean free path creates a new situation for the phonon transport. On the one hand, the phonon–
rough boundary scattering complicates heat removal from the downscaled devices. On the 
other hand, spatial confinement of the acoustic phonons creates an opportunity for intelligent 
tuning of the phonon dispersion in semiconductor nanostructures and achieving enhanced  
operation of devices based on these nanostructures. This paper presents a brief review of the 
recent developments in the field of nanophononics. Specifically, it focuses on methods of tuning the phonon spectrum in acoustically mismatched nano- and heterostructures in order to 
change the electron mobility and phonon thermal conductivity.  
 },
url = {https://ibn.idsi.md/vizualizare_articol/3622},
}

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semiconductors. Reduction of the feature size of electronic devices below the acoustic phonon 
mean free path creates a new situation for the phonon transport. On the one hand, the phonon–
rough boundary scattering complicates heat removal from the downscaled devices. On the 
other hand, spatial confinement of the acoustic phonons creates an opportunity for intelligent 
tuning of the phonon dispersion in semiconductor nanostructures and achieving enhanced  
operation of devices based on these nanostructures. This paper presents a brief review of the 
recent developments in the field of nanophononics. Specifically, it focuses on methods of tuning the phonon spectrum in acoustically mismatched nano- and heterostructures in order to 
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<dc:description xml:lang='en'>Phonons manifest themselves in all electrical, thermal, optical and noise phenomena in 

semiconductors. Reduction of the feature size of electronic devices below the acoustic phonon 
mean free path creates a new situation for the phonon transport. On the one hand, the phonon–
rough boundary scattering complicates heat removal from the downscaled devices. On the 
other hand, spatial confinement of the acoustic phonons creates an opportunity for intelligent 
tuning of the phonon dispersion in semiconductor nanostructures and achieving enhanced  
operation of devices based on these nanostructures. This paper presents a brief review of the 
recent developments in the field of nanophononics. Specifically, it focuses on methods of tuning the phonon spectrum in acoustically mismatched nano- and heterostructures in order to 
change the electron mobility and phonon thermal conductivity.  
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<dc:source>Moldavian Journal of the Physical Sciences 6 (1) 32-38</dc:source>
<dc:title>Nanophononics: Fine-tuning phonon dispersion in semiconductor nanostructures </dc:title>
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