کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1795076 | 1023714 | 2007 | 7 صفحه PDF | دانلود رایگان |
![عکس صفحه اول مقاله: Prospects for the ammonothermal growth of large GaN crystal Prospects for the ammonothermal growth of large GaN crystal](/preview/png/1795076.png)
The device technology for the wide-band-gap semiconductor group-III element nitrides (AlN, GaN, and InN) is much advanced over the growth of large-size, single-crystalline bulk material. In fact, lacking availability of thermal and lattice-matched substrates impedes the cost-effective fabrication of low-defect (low-loss) devices, which would bring a new quality in terms of device efficiency and lifetime. A promising route towards mass production of true bulk group-III element nitride crystal is the ammonothermal technique using supercritical ammonia under high-pressure conditions. Already demonstrated were the hydrothermal growth of a 3-in (0 0 0 1) ZnO crystal and, very recently, the first successful ammonothermal growth of a 1-in (0 0 0 1) GaN crystal. Based on the history of low-temperature SiO2 and later ZnO growth by the hydrothermal technique, we report on recent achievements including solubility of GaN, and give an outlook for the growth of large-size GaN crystal by the ammonothermal route.
Journal: Journal of Crystal Growth - Volume 305, Issue 2, 15 July 2007, Pages 304–310