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Roles of Dislocation Density to the Scattering of Nano-acoustic Waves in GaN
Liu, TM1; Sun, SZ2; Chang, CF2; Chen, GT3; Pan, CC3; Chyi, JI3; Sun, CK2
2011
Source PublicationCHINESE JOURNAL OF PHYSICS
ISSN0577-9073
Volume49Issue:1Pages:171-175
Abstract

We have investigated how the density of threading dislocations in GaN affects the decay of theintensity of nano-acoustic waves. We carried out measurements using a reflection-type femtosecond pump probe, and thus, we determined the local dislocation density from the lifetime of nano-acousticwaves. We found that for a dislocation density of 10(8) cm(-2), defect scattering will surmount other scattering mechanisms and dominate the attenuation of 100GHz acoustic phonons.

Indexed BySCI
Language英语
WOS Research AreaPhysics
WOS SubjectPhysics, Multidisciplinary
WOS IDWOS:000286490100022
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Cited Times [WOS]:2   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionFaculty of Health Sciences
Affiliation1.Natl Taiwan Univ, Inst Biomed Engn, Taipei 10617, Taiwan
2.Natl Taiwan Univ, Grad Inst Photon & Optoelect, Taipei 10617, Taiwan
3.Natl Cent Univ, Dept Elect Engn, Chungli 32045, Taiwan
Recommended Citation
GB/T 7714
Liu, TM,Sun, SZ,Chang, CF,et al. Roles of Dislocation Density to the Scattering of Nano-acoustic Waves in GaN[J]. CHINESE JOURNAL OF PHYSICS,2011,49(1):171-175.
APA Liu, TM.,Sun, SZ.,Chang, CF.,Chen, GT.,Pan, CC.,...&Sun, CK.(2011).Roles of Dislocation Density to the Scattering of Nano-acoustic Waves in GaN.CHINESE JOURNAL OF PHYSICS,49(1),171-175.
MLA Liu, TM,et al."Roles of Dislocation Density to the Scattering of Nano-acoustic Waves in GaN".CHINESE JOURNAL OF PHYSICS 49.1(2011):171-175.
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