Fig. 2: Orientation enhancement by Te-assistant growth for Bi2Te3-based films. | Nature Communications

Fig. 2: Orientation enhancement by Te-assistant growth for Bi2Te3-based films.

From: Oriented Bi2Te3-based films enabled high performance planar thermoelectric cooling device for hot spot elimination

Fig. 2

a The bonding energy and relative growth speed for different crystal directions of Bi2Te3; (b) and the sketch map of in-plane growth of Bi2Te3 film with additional Te; The room temperature XRD patterns (c) and corresponding orientation factor F (d) for P-type Bi0.4Sb1.6Te3+x and N-type Bi2Te3+x films (x = 0 and 0.17); (e)The EBSD images and the polar diagram inset of P-type x = 0.17 sample.

Back to article page