Self-assembly of concentric quantum double rings

Self-assembly of concentric quantum double rings
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DOI:
10.1021/nl048192
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发表时间:
2005-03-01
期刊:
影响因子:
10.8
通讯作者:
Koguchi, N
Koguchi, N
中科院分区:
材料科学1区
文献类型:
--
作者:
Mano, T;Kuroda, T;Koguchi, N

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我们证明了自组装形成的同心量子双环具有高度的均匀性和良好的旋转对称性,使用液滴外延技术。改变生长工艺条件可以控制每个环的尺寸。从单个量子环复合物发射的光致发光光谱显示出由载流子的轨道轨迹指定的奇特的量子化水平。
We demonstrate the self-assembled formation of concentric quantum double rings with high uniformity and excellent rotational symmetry using the droplet epitaxy technique. Varying the growth process conditions can control each ring's size. Photoluminescence spectra emitted from an individual quantum ring complex show peculiar quantized levels that are specified by the carriers' orbital trajectories.