X-ray diffraction analysis of the defect structure in Al<sub>x</sub>Ga<sub>1 - x</sub>N films grown by metalorganic chemical vapor deposition

Park, Young S.; Kim, K. H.; Lee, J. J.; Kim, H. S.; Kang, Tae‐Won; Jiang, H. X.; Lin, J. Y.

doi:10.1023/b:jmsc.0000016202.96505.51

Cited by 4 publications

(2 citation statements)

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“…In this study, full width at half maximum (FWHM) of 2h diffraction angle is used to qualitatively characterize the defect density including deformation shear bands and twins, 36,37 which affect the martensite volume fraction. As reported by Olson and Cohen, 17 the intersection of deformation shear bands are considered as available nucleation sites where martensite growth is possible to occur.…”

Section: B Effect Of Laser Intensity On Martensite Formationmentioning

confidence: 99%

Deformation induced martensite in NiTi and its shape memory effects generated by low temperature laser shock peening

Liao

Lin

et al. 2012

Journal of Applied Physics

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In this study, laser shock peening (LSP) was utilized to generate localized deformation induced martensite (DIM) in NiTi shape memory alloy. The DIM was investigated by x-ray diffraction and transmission electron microscopy. The effects of temperature and laser intensity on DIM transformation were investigated. It has been found that higher laser intensity and lower processing temperature leads to higher volume fraction of DIM. This is attributed to the increase of the chemical driving force and the increase in the density of potential martensite variant for martensite nucleation at low temperatures. The localized shape memory effect in micrometer scale after low temperature LSP has been evaluated.

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Section: B Effect Of Laser Intensity On Martensite Formationmentioning

confidence: 99%

Deformation induced martensite in NiTi and its shape memory effects generated by low temperature laser shock peening

Liao

Lin

et al. 2012

Journal of Applied Physics

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show abstract

“…Thus, in order to evaluate the crystallinity, we have plotted the lateral grain size and the mean grain size of the columnar-structured (Zn 0.93 Mn 0.07 )O thin films as a function of the growth temperature. The lateral grain size was determined from SEM images, and the mean grain size was calculated by Scherer's equation [24]. The grain size of the crystal, L, can be estimated from the relation given by…”

Section: Resultsmentioning

confidence: 99%

Correlation of magnetic properties with microstructural properties for columnar-structured (Zn1−xMnx)O/Al2O3 (0001) thin films

Lee

Kang

Kim

2005

Journal of Crystal Growth

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Controlled precipitation by thermal engineered laser shock peening and its effect on dislocation pinning: Multiscale dislocation dynamics simulation and experiments

Liao¹,

Cheng²

2013

Acta Materialia

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X-ray diffraction analysis of the defect structure in Al_xGa_{1 - x}N films grown by metalorganic chemical vapor deposition

Cited by 4 publications

References 10 publications

Deformation induced martensite in NiTi and its shape memory effects generated by low temperature laser shock peening

Deformation induced martensite in NiTi and its shape memory effects generated by low temperature laser shock peening

Correlation of magnetic properties with microstructural properties for columnar-structured (Zn1−xMnx)O/Al2O3 (0001) thin films

Controlled precipitation by thermal engineered laser shock peening and its effect on dislocation pinning: Multiscale dislocation dynamics simulation and experiments

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X-ray diffraction analysis of the defect structure in AlxGa1 - xN films grown by metalorganic chemical vapor deposition

Cited by 4 publications

References 10 publications

Deformation induced martensite in NiTi and its shape memory effects generated by low temperature laser shock peening

Deformation induced martensite in NiTi and its shape memory effects generated by low temperature laser shock peening

Correlation of magnetic properties with microstructural properties for columnar-structured (Zn1−xMnx)O/Al2O3 (0001) thin films

Controlled precipitation by thermal engineered laser shock peening and its effect on dislocation pinning: Multiscale dislocation dynamics simulation and experiments

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X-ray diffraction analysis of the defect structure in Al_xGa_{1 - x}N films grown by metalorganic chemical vapor deposition