Intercalation of alkali metal into WTe ₂ , the crystal structure of A 0.5 WTe ₂ and observation of a metal-to-semiconductor transition

P. C. Schmidt; Fabian Strauß; Marcus Scheele; Carl P. Romao; Christoph Janiak

doi:10.1039/d5dt02775f

January 1, 2026Dalton TransactionsOpen Access

Intercalation of alkali metal into WTe ₂ , the crystal structure of A 0.5 WTe ₂ and observation of a metal-to-semiconductor transition

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Key Points

The aim is to investigate the intercalation of alkali metals into tungsten ditelluride and observe structural changes.
Intercalation of tungsten ditelluride (WTe2) with potassium, rubidium, and cesium.
Synthesis of intercalation compounds of the form A0.5WTe2.
Structural analysis of the resulting compounds.
Successful formation of intercalation compounds with distinct crystal structures.
Observation of a metal-to-semiconductor transition in the intercalated WTe2.

Implication

Exploratory analysis reveals a metal-to-semiconductor transition in intercalated tungsten ditelluride compounds, suggesting potential applications in electronics.

Abstract

We explore the cationic intercalation of tungsten ditelluride (WTe 2 ) with potassium (K), rubidium (Rb), and cesium (Cs), yielding intercalation compounds of the form A 0.5 WTe 2 ( A = K, Rb, Cs).

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Cite This Study

Schmidt et al. (2026) studied this question.

synapsesocial.com/papers/6988278b0fc35cd7a88465aa https://doi.org/10.1039/d5dt02775f

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Intercalation of alkali metal into WTe ₂ , the crystal structure of A 0.5 WTe ₂ and observation of a metal-to-semiconductor transition

Key Points

Implication

Abstract

Discussion

Cite This Study

Intercalation of alkali metal into WTe ₂ , the crystal structure of A 0.5 WTe ₂ and observation of a metal-to-semiconductor transition

Key Points

Implication

Abstract

Discussion

Cite This Study

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