Thermoelectric thin films: fundamental methods for performance enhancement and recent progress

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Thermoelectric thin film performances are significantly enhanced through advanced methodologies for carrier and phonon transport control, demonstrating high potential for device applications compared to bulk counterparts. Novelty: ClaimNovelty.SYNTHESIS. Consensus alignment: ConsensusAlignment.NEUTRAL.

Yoshiaki Nakamura; Takafumi Ishibe

doi:10.35848/1882-0786/ae6eb6

June 1, 2026Applied Physics ExpressOpen Access

Thermoelectric thin films: fundamental methods for performance enhancement and recent progress

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Abstract

Thermoelectric (TE) thin film performances have been enhanced by the emergence of various methodologies of carrier and phonon transport controls. This review provides an overview of TE thin film advancement based on film technology with high controllability of crystal and material structures. By comparing TE film studies with those of their bulk counterparts, we describe the potentiality of TE film from various viewpoints, such as proof-of-principle, devices, and the discovery of outstanding methodologies. The goal of this review is to highlight the advancement of TE films and their prospects.

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Nakamura et al. (2026) studied this question.

synapsesocial.com/papers/6a64f466ec8cfacf08a8933c https://doi.org/10.35848/1882-0786/ae6eb6

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Thermoelectric thin films: fundamental methods for performance enhancement and recent progress

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