Chalcogen vacancies in W(Se1-xTex)2 bulk crystals induce switchable ferroelectricity and ferromagnetism, producing multiferroic behavior at high vacancy concentrations while tellurium fraction drives a structural transition.
Figure 6 (a) shows the fer- roic phase diagram in(x, δ), with all samples retaining 2H- WSe2 symmetry, while Fig
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Defect-induced multiferroicity in bulk solid solutions of WSe$_2$ and WTe$_2$
Chalcogen vacancies in W(Se1-xTex)2 bulk crystals induce switchable ferroelectricity and ferromagnetism, producing multiferroic behavior at high vacancy concentrations while tellurium fraction drives a structural transition.