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Feb. 20, 2019 Our article on simple photoelectrochemical (PEC) etching technology of GaN is published in Applied Physics Express.  New !
"Simple wet-etching technology for GaN using an electrodeless photo-assisted electrochemical reaction with a luminous array film as the UV source",
Fumimasa Horikiri, Noboru Fukuhara, Hiroshi Ohta, Naomi Asai, Yoshinobu Narita, Takehiro Yoshida, Tomoyoshi Mishima, Masachika Toguchi, Kazuki Miwa and Taketomo Sato
Appl. Phys. Express 12, 031003 (2019)
http://iopscience.iop.org/article/10.7567/1882-0786/ab043c