Thermophysical properties of SnO₂-based transparent conductive films: Effect of dopant species and structure compared with In₂O₃-, ZnO-, and TiO₂-based films

Abstract

We investigate the effect of dopant species and structure on the thermal conductivity of Sb-doped SnO 2 (ATO) and Ta ) and considerably larger than that for amorphous ATO films). These facts lead us to conclude that the base-material species (SnO 2 or In 2 O 3 ) and structure (polycrystalline or amorphous) affect the thermophysical properties of ATO and TTO much more than the dopant species.

Complex amorphous oxides: property prediction from high throughput DFT and AI for new material search

“…Until recently, numerous primary and binary oxides were reported to display mobilities reaching sometimes well over 200 cm 2 V À1 s À1 . [22][23][24][25][26][27][28][29][30][31][32][33][34][35][36] In the second half of the last decade, many more promising new amorphous oxides were reported. Compared to earlier works, the composition of the materials became more complex, and mainly ternary oxides were reported on.…”

“…Until recently, numerous primary and binary oxides were reported to display mobilities reaching sometimes well over 200 cm 2 V −1 s −1 . 22–36…”

SnSe/SnS: Multifunctions Beyond Thermoelectricity

“…The 3D charge and 2D phonon transports contribute greatly to the relatively high power factor with extremely low thermal conductivity along the out-of-plane direction in SnSe. In addition, it was reported that Bi is also an effective n-type dopant in SnSe, and the carrier concentration can reach ~ 2.1 × 10 19 cm −3 at 773 K. [76] Compared with high-performance single crystals, polycrystalline SnSe, which has better mechanical properties and higher possibility to be used in devices, possesses much lower carrier mobility because of the strong scattering from the enormous grain boundaries. Theoretically, the thermal conductivity of polycrystal SnSe should be much lower than that of single crystal because of the extra scattering of phonons.…”

Cyclic thermal conductivity changes of Pd-catalyzed Ni–Mg alloy films by gasochromic hydro- and dehydrogenations

“…Heat diffusion through the Ni-Mg films was investigated using a time-domain thermoreflectance (TDTR) method. [10][11][12][13][14][15][16][17][18][19][20][21] The measurements were conducted in situ using a rear-heating/ rear-detection (RR) type picosecond pulsed light heating thermoreflectance apparatus. The 3-layered films of Pd/Ni-Mg/Mo were placed in a specially designed sealed chamber, where the measurements were performed under open air and N 2 -H 2 (H 2 : 3%) mixture gas atmospheres (see Fig.…”

“…Similar approaches have been reported for various transparent conductive oxide films, such as Sn:In 2 O 3 , 16,17) Al:ZnO, 18) In-Ga-Zn-O, 19) Nb:TiO 2 , 20) and Sb:SnO 2 . 21) The thermal conductivities carried by free electrons, estimated through the WFL, are presented in Table II. The higher thermal conductivity in the metallic state is attributed to heat transfer facilitated by free electrons, while the significant decrease in thermal conductivity during hydrogenation is attributed to the absence of free electrons.…”