Internal‐Field‐Enhanced Charge Separation in a Single‐Domain Ferroelectric PbTiO3 Photocatalyst

Y Liu, S Ye, H Xie, J Zhu, Q Shi, N Ta… - Advanced …, 2020 - Wiley Online Library
Ferroelectric materials with spontaneous polarization‐induced internal electric fields have
drawn increasing attention in solar fuel production due to the intrinsic polarized structure …

Enhanced dielectric, ferroelectric, and optical properties in rare earth elements doped PMN-PT thin films

S Zhou, D Lin, Y Su, L Zhang, W Liu - Journal of Advanced Ceramics, 2021 - Springer
Abstract Rare earth (RE= La 3+, Sm 3+, Pr 3+) ion doped Pb (Mg 1/3 Nb 2/3) O 3-PbTiO 3
(RE-PMN-PT) ferroelectric thin films with compositions near the morphotropic phase …

Controlling the infrared dielectric function through atomic-scale heterostructures

DC Ratchford, CJ Winta, I Chatzakis, CT Ellis… - ACS …, 2019 - ACS Publications
Surface phonon polaritons (SPhPs), the surface-bound electromagnetic modes of a polar
material resulting from the coupling of light with optic phonons, offer immense technological …

Simulation of tuning graphene plasmonic behaviors by ferroelectric domains for self-driven infrared photodetector applications

J Guo, Y Liu, Y Lin, Y Tian, J Zhang, T Gong, T Cheng… - Nanoscale, 2019 - pubs.rsc.org
We demonstrate a tunable longwave infrared photodetector with ultra-high sensitivity based
on graphene surface plasmon polaritons controlled by ferroelectric domains. The simulated …

Ultrafast active tuning of the Berreman mode

AD Dunkelberger, DC Ratchford, AB Grafton… - ACS …, 2019 - ACS Publications
The Berreman effect, by which thin films of polar dielectric materials exhibit strong, narrow
resonances near their longitudinal optic (LO) phonon frequency, results in strong material …

Near-field radiative heat transfer between on-substrate graphene sheets

M Habibzadeh, H Lin, S Edalatpour - Journal of Quantitative Spectroscopy …, 2023 - Elsevier
A promising material for applications in near-field radiative heat transfer is graphene, due to
large heat flux values and the capability to actively control the heat flux using various …

Tunable plasmonic devices by integrating graphene with ferroelectric nanocavity

J Guo, S Li, J Chen, J Cai, X Gou… - Advanced Materials …, 2022 - Wiley Online Library
Graphene plasmons can become the fundamental of novel conceptual photonic devices,
resulting from their unique characteristics containing excitation at room temperature and …

Broad band infrared modulation using spintronic-plasmonic metasurfaces

G Armelles, L Bergamini, N Zabala, MU González… - …, 2019 - degruyter.com
We present magnetic field induced modulation of the optical response of slit plasmonic
metasurfaces fabricated out of giant magnetoresistance/spintronic materials in the 2–17 μm …

[HTML][HTML] Spectral and polarization based imaging in deep-ultraviolet excited photoelectron microscopy

TE Beechem, SW Smith, RG Copeland, F Liu… - Review of Scientific …, 2022 - pubs.aip.org
Using photoelectron emission microscopy, nanoscale spectral imaging of atomically thin
MoS 2 buried between Al 2 O 3 and SiO 2 is achieved by monitoring the wavelength and …

Photoluminescence detection of symmetry transformations in low-dimensional ferroelectric ABO 3 perovskites

T Ofoegbuna, KR Bajgiran, O Kizilkaya… - Journal of Materials …, 2020 - pubs.rsc.org
Symmetry-dependent properties such as ferroelectricity are suppressed at room temperature
in Pb-free ABO3 perovskites due to antiferrodistortive dynamics (octahedral rotations/tilts) …