Electrostatic control of the proximity effect in the bulk of semiconductor-superconductor hybrids

N van Loo, GP Mazur, T Dvir, G Wang… - Nature …, 2023 - nature.com
The proximity effect in semiconductor-superconductor nanowires is expected to generate an
induced gap in the semiconductor. The magnitude of this induced gap, together with the …

Exploring multi-anion chemistry in yttrium oxyhydrides: solid-state NMR studies and DFT calculations

S Banerjee, D Chaykina, R Stigter… - The Journal of …, 2023 - ACS Publications
Rare earth oxyhydrides REO x H (3–2 x), with RE= Y, Sc, or Gd and a cationic FCC lattice,
are reversibly photochromic in nature. It is known that structural details and anion (O2–: H–) …

Photochromism of rare-earth metal-oxy-hydrides

F Nafezarefi, H Schreuders, B Dam… - Applied Physics …, 2017 - pubs.aip.org
Recently, thin films of yttrium oxy-hydride (YO x H y) were reported to show an unusual color-
neutral photochromic effect promising for application in smart windows. Our present work …

Formation of vacancies and metallic-like domains in photochromic rare-earth oxyhydride thin films studied by in-situ illumination positron annihilation spectroscopy

Z Wu, T De Krom, G Colombi, D Chaykina… - Physical review …, 2022 - APS
Rare-earth (RE) oxyhydride thin films show a color-neutral, reversible photochromic effect at
ambient conditions. The origin of the photochromism is the topic of current investigations …

Yttrium oxyhydrides for photochromic applications: Correlating composition and optical response

D Moldarev, MV Moro, CC You, EM Baba… - Physical Review …, 2018 - APS
It has been recently demonstrated that yttrium oxyhydride (YHO) films can exhibit reversible
photochromic properties when exposed to illumination at ambient conditions. This …

Light-induced breathing in photochromic yttrium oxyhydrides

EM Baba, J Montero, E Strugovshchikov, EÖ Zayim… - Physical Review …, 2020 - APS
When exposed to air, metallic yttrium dihydride YH 2 films turn into insulating and
transparent yttrium oxyhydride (YHO). The incorporation of oxygen causes the lattice …

Influence of Cation (RE = Sc, Y, Gd) and O/H Anion Ratio on the Photochromic Properties of REOxH3–2x Thin Films

G Colombi, T De Krom, D Chaykina, S Cornelius… - ACS …, 2021 - ACS Publications
Rare-earth oxyhydride REO x H3–2 x thin films prepared by air-oxidation of reactively
sputtered REH2 dihydrides show a color-neutral, reversible photochromic effect at ambient …

Optical properties of oxygen-containing yttrium hydride thin films during and after the deposition

M Zubkins, I Aulika, E Strods, V Vibornijs, L Bikse… - Vacuum, 2022 - Elsevier
The synthesis of the photochromic YHO films is based on the oxidation of deposited yttrium
hydride in ambient conditions. The actual state of the films during the deposition process …

Aliovalent calcium do** of yttrium oxyhydride thin films and implications for photochromism

D Chaykina, I Usman, G Colombi… - The Journal of …, 2022 - ACS Publications
To develop an understanding of the photochromic effect in rare-earth metal oxyhydride thin
films (REH3–2 x O x, here RE= Y), we explore the aliovalent do** of the RE cation. We …

Parrondo effect in quantum coin-toss simulations

JW Lai, KH Cheong - Physical review E, 2020 - APS
Game A+ Game B= Game C. Parrondo's games follow this basic structure where A and B
are losing games and C is a winning game—a phenomenon called Parrondo's paradox …