MoTe<sub>2</sub>: Semiconductor or Semimetal?
basic_science · Level V
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- Record sourced from PubMed, PMID 34379388.
- Also identified by DOI 10.1021/acsnano.1c01816.
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Abstract
Transition metal tellurides (TMTs) have attracted intense interest due to their intriguing physical properties arising from their diverse phase topologies. To date, a wide range of physical properties have been discovered for TMTs, including that they can act as topological insulators, semiconductors, Weyl semimetals, and superconductors. Among the TMT families, MoTe<sub>2</sub> is a representative material because of its Janus nature and rich phases. In this Perspective, we first introduce phase structures in monolayer and bulk MoTe<sub>2</sub> and then summarize MoTe<sub>2</sub> synthesis strategies. We highlight recent advances of Janus MoTe<sub>2</sub> in terms of material structures and emerging quantum states. We also provide insight into the opportunities and challenges faced by MoTe<sub>2</sub>-associated device design and applications.