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The fundamental interactions underlying many unusual electronic properties of topological semimetals are still not well understood. Now, an investigation by Kenneth Burch of Boston College, Massachusetts, and colleagues into the topological semimetal tungsten diphosphide (WP2) has found that the material’s peculiar charge-transport behavior is largely due to electron-phonon scattering [1]. The researchers say that understanding the importance of such interactions could guide efforts to discover other similar materials.

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