Triple Passivation Treatment (TPT) strategy enables 1.75 eV wide‐bandgap perovskite solar cells (WB‐PSCs) with suppressed halide phase segregation and n‐to‐p type surface transition. The photoluminescence quantum yield increases from 0.5 to 2.1%, indicating reduced non‐radiative losses.
Siming Huang+12 more
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Determination of the Fermi surface of molybdenum using the de Haas-van Alphen effect
James Alvin Hoekstra
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Kink defects and Fermi level pinning on (2×4) reconstructed molecular beam epitaxially grown surfaces of GaAs and InP studied by ultrahigh-vacuum scanning tunneling microscopy and x-ray photoelectron spectroscopy [PDF]
Yasuhiko Ishikawa+2 more
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High Thermoelectric Performance in Low‐Cost Cu8SiSxSe6‐x Argyrodite
This study discovers the great potential of Cu8SiSxSe6‐x argyrodites as new, low‐cost, Te‐free thermoelectric materials. The proposed defect scheme suppresses the phase transition, enhances the weighted mobility and optimizes the grain boundary contacts.
Taras Parashchuk+7 more
wiley +1 more source
An Investigation of the Fermi Surface of Copper - Nickel Alloys by Positron Annihilation.
Lawrence J. Rouse
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Theory for dynamical short-range order and Fermi surface volume in strongly correlated systems [PDF]
Jörg Schmalian+3 more
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The coherent heterostructure and the strong stress field at the heterointerface upshift the d‐band center of vanadium toward the Fermi level, which effectively lowers the Na+ diffusion barrier, facilitates charge transfer and accelerates reaction kinetics.
Xuexia Song+11 more
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Erratum: Resistivity as a function of temperature for models with hot spots on the Fermi surface [PDF]
R. Hlubina, T. M. Rice
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Supercompliant Lattice Boosts n‐type AgSbTe2 Thermoelectrics
The supercompliant lattice design enables the first realization of n‐type electrical transport in AgSbTe2 by overcoming intrinsic electron‐killer defects and exceeding the doping limits imposed by the conventional Hume–Rothery rule. Accordingly, the best performance n‐type Ag0.8Na0.3Sb0.6Bi0.4Te2 sample achieves a low κ of 0.27 W·m−1·K−1 that ...
Ruoyan Li+15 more
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Why normal Fermi systems with sufficiently singular interactions do not have a sharp Fermi surface [PDF]
Peter Kopietz
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