TY - JOUR T1 - High density two-dimensional hole gas induced by negative polarization at GaN/AlGaN heterointerface JO - Applied Physics Express PY - 2010/01/01 AU - Nakajima A AU - Sumida Y AU - Dhyani MH AU - Kawai H AU - Narayanan EMS ED - DO - DOI: 10.1143/APEX.3.121004 VL - 3 IS - 12 Y2 - 2025/06/29 ER -