English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Plus monthly

Global: Zendy Tools annual

Global: Zendy Tools monthly

Global: Zendy Free Plan

Searching for an ideal magnetic Weyl semimetal hosting only a single pair ofWeyl points has been a focal point for systematic clarification of its uniquemagnetotransport derived from the interplay between topology and magnetization.Among the candidates, triangular-lattice antiferromagnet EuCd$_2$As$_2$ hasbeen attracting special attention due to the prediction of the ideal Weylsemimetal phase in the ferromagnetic state, however, transport properties oflow-carrier density samples have remained elusive. Here we report molecularbeam epitaxy growth of EuCd$_2$As$_2$ films, achieving low-hole density in therange of $10^{15}$-$10^{16}$ cm$^{-3}$ at low temperature. Transportmeasurements of such low-carrier density films reveal an insulating behaviorwith an activation gap of about 200 meV, which persists even in thefield-induced ferromagnetic state. Our work provides an important experimentalclue that EuCd$_2$As$_2$ is intrinsically insulating, contrary to the previousprediction.

Intrinsic insulating transport characteristics in low-carrier density EuCd2As2 films