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Weak localization competes with the quantum oscillations in a natural electronic superlattice: The case of Na1.5(PO2 )4(WO3)20

AuthorsKolincio, Kamil K.; Pérez, Olivier; Canadell, Enric ; Alemany, Pere; Duverger-Nédellec, Elen; Minelli, Arianna; Bosak, Alexei; Pautrat, Alain
KeywordsAnisotropic magnetoresistance
Charge density waves
Charge order
Electrical conductivity
Fermi surface
Issue Date30-Apr-2020
PublisherAmerican Physical Society
CitationPhysical Review - Section B - Condensed Matter 101(16): 161117(R) (2020)
AbstractWe report an investigation of the combined structural and electronic properties of the bronze Na 1.5 ( PO 2 ) 4 ( WO 3 ) 20 . Its low-dimensional structure and possible large reconstruction of the Fermi surface due to charge density wave instability make this bulk material a natural superlattice with a reduced number of carriers and Fermi energy. Signatures of multilayered two-dimensional (2D) electron weak localization are consequently reported, with an enhanced influence of quantum oscillations. A crossover between these two antagonistic entities, previously observed only in genuine low-dimensional materials and devices, is shown to occur in a bulk crystal due to its hidden 2D nature.
Publisher version (URL)http://dx.doi.org/10.1103/PhysRevB.101.161117
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