Ambipolarity of hydrogen in matter revealed by muons

R Kadono, H Hosono - Advances in Physics, 2023 - Taylor & Francis
Despite being the simplest element, hydrogen (H) exhibits complex behavior in materials
due to its unique ambipolar character. In particular, it is recognized as one of the most …

Hydrogen pickup during oxidation in aqueous environments: The role of nano-pores and nano-pipes in zirconium oxide films

J Hu, J Liu, S Lozano-Perez, CRM Grovenor… - Acta Materialia, 2019 - Elsevier
Oxidation of metals by water generates hydrogen which can enter the solid causing serious
degradation of its mechanical properties and may also influence the corrosion rate. The …

Structural properties and anion dynamics of yttrium dihydride and photochromic oxyhydride thin films examined by in situ

D Chaykina, T De Krom, G Colombi, H Schreuders… - Physical Review B, 2021 - APS
Thin films of rare-earth metal oxyhydrides, such as yttrium oxyhydrides (YH 3− 2 x O x), show
a photochromic effect where the transparency of the films decreases reversibly upon …

Understanding muon diffusion in perovskite oxides below room temperature based on harmonic transition state theory

TU Ito, W Higemoto, K Shimomura - Physical Review B, 2023 - APS
In positive muon spin rotation and relaxation (μ+ SR) spectroscopy, positive muons (μ+)
implanted into solid oxides are conventionally treated as immobile spin probes at interstitial …

Characterisation of deuterium distributions in corroded zirconium alloys using high-resolution SIMS imaging

J Liu, K Li, J Sayers, T Aarholt, G He, H Hulme… - Acta Materialia, 2020 - Elsevier
Hydrogen diffusion through the oxide grown on Zr alloys by aqueous corrosion processes
plays a critical role in determining the rate of hydrogen pickup (HPU) which can result in …

Local environment and migration paths of the proton defect in yttria-stabilized zirconia studied by ab initio calculations and muon-spin spectroscopy

AG Marinopoulos, RC Vilão, HV Alberto, JM Gil… - Hydrogen, 2024 - mdpi.com
The local binding and migration behavior of the proton defect in cubic yttria-stabilized
zirconia (YSZ) is studied by first-principles calculations and muon-spin spectroscopy (μ SR) …

Slow-muon study of quaternary solar-cell materials: Single layers and junctions

HV Alberto, RC Vilão, RBL Vieira, JM Gil… - Physical Review …, 2018 - APS
Thin films and pn junctions for solar cells based on the absorber materials Cu (In, G a) Se 2
and Cu 2 ZnSnS 4 were investigated as a function of depth using implanted low energy …

[HTML][HTML] Ambipolarity of diluted hydrogen in wide-gap oxides revealed by muon study

M Hiraishi, H Okabe, A Koda, R Kadono… - Journal of Applied …, 2022 - pubs.aip.org
Muon spin rotation has long been recognized as one of the few methods for experimentally
accessing the electronic state of dilute hydrogen (H) in semiconductors and dielectrics …

Observation of a Charge-Neutral Muon-Polaron Complex in Antiferromagnetic

MH Dehn, JK Shenton, S Holenstein, QN Meier… - Physical Review X, 2020 - APS
We report a comprehensive muon spin rotation (μ SR) study of the prototypical
magnetoelectric antiferromagnet Cr 2 O 3. We find the positively charged muon (μ+) …

Protons in cubic yttria-stabilized zirconia: Binding sites and migration pathways

AG Marinopoulos - Solid State Ionics, 2018 - Elsevier
Despite the fact that unusually high power generation attributed to proton conduction has
been reported recently for nanostructured yttria-stabilized zirconia (YSZ) little is known about …