在能带结构中能态密度为零的能量区间。常用来表示价带和导带之间的能态密度为零的能量区间。禁带宽度的大小决定了材料是具有半导体性质还是具有绝缘体性质。半导体的禁带宽度较小,当温度升高时,电子可以被激发传到导带,从而使材料具有导电性。绝缘体的禁带宽度很大,即使在较高的温度下,仍是电的不良导体。
n. stopband
misc. forbidden band ; forbidden zone
... forbidden decay禁带衰减,禁戒 衰变... forbidden band禁带 forbidden transition禁戒跃迁 ...
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电子器件投稿系统 关键词: 三芯光纤耦合器;慢光;布拉格光栅;禁带 [gap=972]Keywords: three-core fiber coupler ; slow-light ; Bragg grating ; bandgap
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... forbidden beta transition 禁戒跃迁 forbidden energy band 禁带 forbidden nuclear transition 禁戒核跃迁 ...
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禁带宽度 forbidden bandwidth ; forbidden gap ; energy gap ; band gap
宽禁带 large energy gap ; WBG ; Wide Band Gap
窄禁带 low energy gap
缓变禁带 graded band gap
窄禁带半导体 narrow bandgap semiconductor
光子禁带 photonic band gap ; PBG ; photonic bandgap
宽禁带半导体 wide bandgap semiconductor ; Wide-bandgap semiconductors
禁带收缩 band gap narrowing
GaN is a new wide band gap semiconductor laser material.
GaN是一种新型的宽禁带半导体兰色发光与激光材料。
参考来源 - GaN中的缺陷与杂质 DEFECTS AND IMPURITIES IN GaNIts optical absorption peak is located at about 410 nm and tailing to 610 nm,corresponding to 2.04 eV of bandgap.
其紫外可见吸收光谱的峰值约位于410nm处,吸收边延至610nm处,禁带宽度为2.04eV。
参考来源 - 电化学合成聚噻吩薄膜提高光伏电池的开路电压ZnO is n-type wide band-gap semiconductor materials. Because of its highabsorption for light and good electron transportation, ZnO is used asphoto-electrodes of nanocrystalline solar cell which should have porousstructure and larger surface area.
ZnO是n-型宽禁带半导体材料,由于其具有高的光吸收和良好的电子输运性能,近年来被用作纳米晶太阳能电池的光阳极材料。
参考来源 - 纳米ZnO多孔薄膜的湿化学法制备研究It allows electromagnetic wave with certain frequency propagating in it and has characteristics of photonic forbidden band and Anderson states.
它只允许一定频率内的电磁波在其中传播,具有光子禁带特征以及光子局域化等特性。
参考来源 - 可用于光通信的一维光子晶体特性的研究·2,447,543篇论文数据,部分数据来源于NoteExpress
警察在每个过路人身上搜寻禁带品。
光子晶体作为一种新型人工结构功能材料,基于光子禁带的高反射特性可以实现热红外伪装。
As a new kind of man-made structure function material, photonic crystals could realize thermal infrared camouflage because of its high-reflection photon forbidden band.
那就好。请你梢等一下,我查验一下啊。好e了。没什么问题。一切都很符合,也没有禁带的物品。
That's good. Please wait a moment and let me have a check. OK. There is no problem. Everything is in line, and there is no forbidden goods.
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