Fig. 2: ALD synthesis technology route. | Nature Communications

Fig. 2: ALD synthesis technology route.

From: Phase interface engineering enables state-of-the-art half-Heusler thermoelectrics

Fig. 2: ALD synthesis technology route.

a Schematic diagram illustrating the synthesis of the TiO2 layer through ALD coating. b HRTEM images of ZNSS powders coated with 40 cycles of TiO2 (TiO2 = 3.2 nm). c Schematic representation of the interfacial reaction between the ZNSS matrix and ALD coating. d ABF images and corrsponding (Zr, O, Ti element) EDS mapping of the bulk ZNSS sample coated with 40 cycles of TiO2.

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