2024
DOI: 10.1021/acsaelm.3c01490
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Metastable Substitution of an Isovalent Anion Element in SnSe Films to Control the Thermoelectric Property

Kota Yamaguchi,
Manabu Ishimaru,
Tomoya Horide

Abstract: To improve the thermoelectric properties of SnSe films, carrier control is required, but elemental doping is difficult due to the thermodynamic solubility limit. Isovalent elements may generate holes or electrons not in a direct manner but in the manner to form point defects. In this study, the Sn(Se,Te) films were fabricated by a pulsed laser deposition (PLD) method to control the carrier concentration by substituting isovalent Te for Se. The coexistence of the orthorhombic and cubic phases at the tens of nan… Show more

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