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Literature DB >> 17677976

Critical test for Altshuler-Aronov theory: evolution of the density of states singularity in double perovskite Sr2FeMoO6 with controlled disorder.

M Kobayashi¹, K Tanaka, A Fujimori, Sugata Ray, D D Sarma.

Abstract

With high-resolution photoemission spectroscopy measurements, the density of states (DOS) near the Fermi level (E(F)) of double perovskite Sr(2)FeMoO(6) having different degrees of Fe/Mo antisite disorder has been investigated with varying temperature. The DOS near E(F) showed a systematic depletion with increasing degree of disorder, and recovered with increasing temperature. Altshuler-Aronov (AA) theory of disordered metals well explains the dependences of the experimental results. Scaling analysis of the spectra provides experimental indication for the functional form of the AA DOS singularity.

Entities: Chemical Disease

Year: 2007 PMID： 17677976 DOI： 10.1103/PhysRevLett.98.246401

Source DB: PubMed Journal: Phys Rev Lett ISSN： 0031-9007 Impact factor: 9.161

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Cited

4 in total

1. A Unique Mechanochemical Redox Reaction Yielding Nanostructured Double Perovskite Sr₂FeMoO₆ With an Extraordinarily High Degree of Anti-Site Disorder.

Authors: Erika Tóthová; André Düvel; Ralf Witte; Richard A Brand; Abhishek Sarkar; Robert Kruk; Mamoru Senna; Klebson Lucenildo Da Silva; Dirk Menzel; Vladimír Girman; Michal Hegedüs; Matej Baláž; Petre Makreski; Shiro Kubuki; Mária Kaňuchová; Jan Valíček; Horst Hahn; Vladimír Šepelák
Journal: Front Chem Date: 2022-03-16 Impact factor: 5.221

Critical test for Altshuler-Aronov theory: evolution of the density of states singularity in double perovskite Sr2FeMoO6 with controlled disorder.

1. A Unique Mechanochemical Redox Reaction Yielding Nanostructured Double Perovskite Sr₂FeMoO₆ With an Extraordinarily High Degree of Anti-Site Disorder.

2. Complex spectral evolution in a BCS superconductor, ZrB12.

3. Fermi level position, Coulomb gap, and Dresselhaus splitting in (Ga,Mn)As.

4. Inducing ferromagnetism and Kondo effect in platinum by paramagnetic ionic gating.

Critical test for Altshuler-Aronov theory: evolution of the density of states singularity in double perovskite Sr2FeMoO6 with controlled disorder.

1. A Unique Mechanochemical Redox Reaction Yielding Nanostructured Double Perovskite Sr2FeMoO6 With an Extraordinarily High Degree of Anti-Site Disorder.

2. Complex spectral evolution in a BCS superconductor, ZrB12.

3. Fermi level position, Coulomb gap, and Dresselhaus splitting in (Ga,Mn)As.

4. Inducing ferromagnetism and Kondo effect in platinum by paramagnetic ionic gating.

1. A Unique Mechanochemical Redox Reaction Yielding Nanostructured Double Perovskite Sr₂FeMoO₆ With an Extraordinarily High Degree of Anti-Site Disorder.