Semiconductor device
Abstract:
According to one embodiment, a semiconductor device includes first to third electrodes, first to fourth semiconductor regions, a first layer including, and a first insulating layer. The first semiconductor region includes Alx1Ga1-x1N and includes first to fifth partial regions. The third partial region includes a first element including at least one selected from the group consisting of Mg, Zn, and C. The second semiconductor region includes Alx2Ga1-x2N and includes a sixth partial region and a seventh partial region. The third semiconductor region includes Alx3Ga1-x3N and includes an eighth partial region and a ninth partial region. The fourth semiconductor region includes Alx4Ga1-x4N and includes a tenth partial region and an eleventh partial region. The first layer includes AlyGa1-yN and includes a first portion provided between the third partial region and the third electrode. The first insulating layer includes a second portion provided between the first portion and the third electrode.
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