Valleriite, a Natural Two-Dimensional Composite: X-ray Absorption, Photoelectron, and Mössbauer Spectroscopy, and Magnetic Characterization
Yu. L. Mikhlin, Maxim Likhatski, O. A. Bayukov, Yu. V. Knyazev, Д. А. Великанов, Yevgeny Tomashevich, Alexander Romanchenko, Sergey Vorobyev, Mikhail V. Volochaev, С. М. Жарков, Debora Meira
Abstract
, which decreased at 78 K and almost disappeared at 4.2 K, producing a series of hyperfine Zeeman sextets due to internal magnetic fields arising in valleriites. Magnetic measurements do not reveal antiferromagnetic transitions known for bornite. The specific structure and properties of valleriite are discussed in particular as a platform for composites of the 2D transition metal sulfide and hydroxide (mono)layers stacked by the electrical charges, promising for a variety of applications.
Topics & Concepts
XANESX-ray photoelectron spectroscopyBorniteX-ray absorption fine structureChalcopyriteChemistryAnalytical Chemistry (journal)Absorption spectroscopyHyperfine structureMössbauer spectroscopyCrystallographyMaterials scienceSpectroscopyNuclear magnetic resonanceCopperAtomic physicsChromatographyPhysicsOrganic chemistryQuantum mechanicsIron oxide chemistry and applicationsMetal Extraction and BioleachingMinerals Flotation and Separation Techniques