![Schematic for fabricating GaN pyramid arrays.](http://www.nature.com/nphoton/journal/v5/n12/carousel/nphoton.2011.253-f1.jpg)
a, Preferential polycrystalline morphology of a titanium pre-orienting layer and a LT-GaN nucleation layer. Both layers have a c-axis preferred orientation in the out-of-plane (z) direction and random orientations in the in-plane (x or…
![Effect of the presence of a titanium pre-orienting layer on crystallographic orientation of the LT-GaN nucleation layer.](http://www.nature.com/nphoton/journal/v5/n12/carousel/nphoton.2011.253-f2.jpg)
a,b, Bright-field TEM images of LT-GaN, directly grown on a glass substrate (a) and on top of a titanium thin film deposited on a glass substrate (b) reveal the effect of the titanium pre-orienting layer on the (001) preferred growth of…
![Contour of GaN pyramid arrays formed on the template with hole-patterned SiO2/LT-GaN/titanium/glass.](http://www.nature.com/nphoton/journal/v5/n12/carousel/nphoton.2011.253-f3.jpg)
GaN pyramid arrays in a–e have a dhole value of 2.4 µm. a, Bright-field TEM image of the GaN pyramid showing the predominant and lateral growth mechanism. Inset: selected-area diffraction pattern at the upper part of the pyramid showing…
![Crystal quality of GaN pyramid arrays and electroluminescence devices fabricated on top of GaN pyramid arrays.](http://www.nature.com/nphoton/journal/v5/n12/carousel/nphoton.2011.253-f4.jpg)
a, Cathodoluminescence spectra of the GaN pyramid arrays formed on glass and sapphire substrates. The former has a peak wavelength of 364 nm with a FWHM of 16 nm (158 meV), and the latter was directly taken from ref. 27and merged with…
SOURECE;Nature
We are provide for professional GaN on template,such as gan on sic,gan on gan,gan on si,gan on sapphire,Which is you want? Please send email to us:sales@powerwaywafer.com. and visit our website:http://www.powerwaywafer.com/Epitaxial-Wafer.html.
SOURECE;Nature
We are provide for professional GaN on template,such as gan on sic,gan on gan,gan on si,gan on sapphire,Which is you want? Please send email to us:sales@powerwaywafer.com. and visit our website:http://www.powerwaywafer.com/Epitaxial-Wafer.html.
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