Evidence for chiral superconductivity on a silicon surface

F Ming, X Wu, C Chen, KD Wang, P Mai, TA Maier… - Nature Physics, 2023 - nature.com
Tin adatoms on a Si (111) substrate with a one-third monolayer coverage form a two-
dimensional triangular lattice with one unpaired electron per site. These electrons order into …

Triplet superconductivity from nonlocal Coulomb repulsion in an atomic Sn layer deposited onto a Si (111) substrate

S Wolf, D Di Sante, T Schwemmer, R Thomale… - Physical Review Letters, 2022 - APS
Atomic layers deposited on semiconductor substrates introduce a platform for the realization
of the extended electronic Hubbard model, where the consideration of electronic repulsion …

Surface atomic-layer superconductors with Rashba/Zeeman-type spin-orbit coupling

T Uchihashi - AAPPS Bulletin, 2021 - Springer
In this article, we review the recent progress in surface atomic-layer superconductors on
semiconductor substrates with Rashba/Zeeman-type spin-orbit coupling (SOC). After …

Doping-dependent charge-and spin-density wave orderings in a monolayer of Pb adatoms on Si (111)

M Vandelli, A Galler, A Rubio, AI Lichtenstein… - npj Quantum …, 2024 - nature.com
In this work we computed the phase diagram as a function of temperature and doping for a
system of lead adatoms allocated periodically on a silicon (111) surface. This Si (111): Pb …

Superconductivity in a hole-doped Mott-insulating triangular adatom layer on a silicon surface

X Wu, F Ming, TS Smith, G Liu, F Ye, K Wang… - Physical Review Letters, 2020 - APS
Adsorption of one-third monolayer of Sn on an atomically clean Si (111) substrate produces
a two-dimensional triangular adatom lattice with one unpaired electron per site. This dilute …

Doping the Mott insulating state of the triangular-lattice Hubbard model reveals the Sordi transition

PO Downey, O Gingras, CD Hébert, M Charlebois… - Physical Review B, 2024 - APS
It has been reported that upon doping a Mott insulator, there can be a crossover to a
pseudogapped metallic phase followed by a first-order transition to another …

Mott transition, Widom line, and pseudogap in the half-filled triangular lattice Hubbard model

PO Downey, O Gingras, J Fournier, CD Hébert… - Physical Review B, 2023 - APS
The Mott transition is observed experimentally in materials that are magnetically frustrated
so that long-range order does not hide the Mott transition at finite temperature. The Hubbard …

Two -linear scattering-rate regimes in the triangular lattice Hubbard model

J Fournier, PO Downey, CD Hébert, M Charlebois… - SciPost Physics, 2024 - scipost.org
In recent years, the $ T $-linear scattering rate found at low temperatures, defining the
strange metal phase of cuprates, has been a subject of interest. Since a wide range of …

Filling-induced Mott transition and pseudogap physics in the triangular lattice Hubbard model

PO Downey, O Gingras, CD Hébert… - arXiv preprint arXiv …, 2023 - arxiv.org
It has been reported that upon doping a Mott insulator, there can be a crossover to a strongly
correlated metallic phase followed by a first-order transition to another thermodynamically …

Non-charge-transfer Origin of Tc Enhancement in a Surface Superconductor Si(111)-()-In with Adsorbed Organic Molecules

K Yokota, S Inagaki, W Qian, R Nemoto… - Journal of the Physical …, 2022 - journals.jps.jp
The effects of adsorption of Zn-phthalocyanine (ZnPc) molecules on the superconductivity of
the Si (111)-()-In surface are studied through transport measurements under ultrahigh …