标题： 通过维度降低调节透明导电氧化锡酸钡的光学性质 显示英文标题

标题： Tuning Optical Properties of Transparent Conducting Barium Stannate by Dimensional Reduction

摘要： 我们报告了掺杂的$n$型钙钛矿 BaSnO3 和层状钙钛矿的电子结构和光学性质的计算。 虽然掺杂的 BaSnO$_3$在价带到导带起始能量以下保持透明，但掺杂的层状化合物由于从最低导带的跃迁而在带边以下表现出光学电导率。 这使得 Ba2SnO4 在可见光范围内有吸收。 因此，在透明导电氧化物（TCO）薄膜中需要尽量减少这种相。 Ba3Sn2O7 和 Ba4Sn3O10 分别仅在红色和红外区域有强跃迁。 因此，这些材料可能有机会作为波长过滤的 TCO 使用。 显示英文摘要

摘要： We report calculations of the electronic structure and optical properties of doped $n$-type perovskite BaSnO3 and layered perovskites. While doped BaSnO$_3$ retains its transparency for energies below the valence to conduction band onset, the doped layered compounds exhibit below band edge optical conductivity due to transitions from the lowest conduction band. This gives absorption in the visible for Ba2SnO4. Thus it is important to minimize this phase in transparent conducting oxide (TCO) films. Ba3Sn2O7 and Ba4Sn3O10 have strong transitions only in the red and infrared, respectively. Thus there may be opportunities for using these as wavelength filtering TCO.