Publication

Competitive ion-exchange of manganese and gadolinium in titanate nanotubes

László Forró, Endre Horvath, Luka Ciric, Bálint Náfrádi, Péter Szirmai, Márton Kollár
2017
Journal Articles

Abstract

Homogeneous Mn2+ and Gd3+ intercalation of scroll-type trititanate nanotubes using a post-synthesis ion exchange method is reported. Compared to Mn2+, Gd3+ ion-exchange shows larger saturation intercalation levels. Upon co-doping, weak interactions between the dopant ions were found to modify the incorporated concentrations. Electron spin resonance (ESR) measurements, performed at several frequencies, confirmed the homogeneous distribution of Mn2+ and Gd3+. Detailed simulation of ESR spectra identified a large spread of the local structural distortions of the occupied sites as a result of a wide range of curvature radii of the titanate nanotubes. (C) 2016 Elsevier B.V. All rights reserved.

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https://infoscience.epfl.ch/entities/publication/57b6951b-6b3e-4469-9aaa-dd8c8a3d00ad

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László Forró, Endre Horvath, Luka Ciric, Bálint Náfrádi, Péter Szirmai, Márton Kollár
2017
Journal Articles

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/57b6951b-6b3e-4469-9aaa-dd8c8a3d00ad

About this result

Related concepts (19)

Weak interaction

In nuclear physics and particle physics, the weak interaction, which is also often called the weak force or weak nuclear force, is one of the four known fundamental interactions, with the others being electromagnetism, the strong interaction, and gravitation. It is the mechanism of interaction between subatomic particles that is responsible for the radioactive decay of atoms: The weak interaction participates in nuclear fission and nuclear fusion.

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