Topological phases in polar oxide nanostructures

J Junquera, Y Nahas, S Prokhorenko, L Bellaiche… - Reviews of Modern …, 2023 - APS
The past decade has witnessed dramatic progress related to various aspects of emergent
topological polar textures in oxide nanostructures displaying vortices, skyrmions, merons …

Black phosphorus and its isoelectronic materials

F **a, H Wang, JCM Hwang, AHC Neto… - Nature Reviews …, 2019 - nature.com
The family of 2D and layered materials has been expanding rapidly for more than a decade.
Within this large family of hundreds of materials, black phosphorus and its isoelectronic …

Introducing DDEC6 atomic population analysis: part 1. Charge partitioning theory and methodology

TA Manz, NG Limas - RSC advances, 2016 - pubs.rsc.org
Net atomic charges (NACs) are widely used in all chemical sciences to concisely summarize
key information about the partitioning of electrons among atoms in materials. The objective …

Ferroelectricity and phase transitions in monolayer group-IV monochalcogenides

R Fei, W Kang, L Yang - Physical review letters, 2016 - APS
Ferroelectricity usually fades away as materials are thinned down below a critical value. We
reveal that the unique ionic-potential anharmonicity can induce spontaneous in-plane …

Defect Tolerance to Intolerance in the Vacancy-Ordered Double Perovskite Semiconductors Cs2SnI6 and Cs2TeI6

AE Maughan, AM Ganose, MM Bordelon… - Journal of the …, 2016 - ACS Publications
Vacancy-ordered double perovskites of the general formula A 2 BX 6 are a family of
perovskite derivatives composed of a face-centered lattice of nearly isolated [BX 6] units with …

Effect of Controlled Oxygen Vacancy on H2‐Production through the Piezocatalysis and Piezophototronics of Ferroelectric R3C ZnSnO3 Nanowires

YC Wang, JM Wu - Advanced Functional Materials, 2020 - Wiley Online Library
This study is the first to demonstrate that ferroelectric R3c LiNbO3‐type ZnSnO3 nanowires
(NWs), through the piezocatalysis and piezophototronic process, demonstrate a highly …

Enhanced polarization and abnormal flexural deformation in bent freestanding perovskite oxides

S Cai, Y Lun, D Ji, P Lv, L Han, C Guo, Y Zang… - Nature …, 2022 - nature.com
Recent realizations of ultrathin freestanding perovskite oxides offer a unique platform to
probe novel properties in two-dimensional oxides. Here, we observe a giant flexoelectric …

The Raman Spectrum of the CH3NH3PbI3 Hybrid Perovskite: Interplay of Theory and Experiment

C Quarti, G Grancini, E Mosconi, P Bruno… - The journal of …, 2013 - ACS Publications
We report the low-frequency resonant Raman spectrum of methylammonium lead-iodide, a
prototypical perovskite for solar cells applications, on mesoporous Al2O3. The measured …

Efficient carrier transport in halide perovskites: theoretical perspectives

MH Du - Journal of Materials Chemistry A, 2014 - pubs.rsc.org
Halide perovskites have recently been shown to exhibit excellent carrier transport
properties. Density functional calculations are performed to study the electronic structure …

Epitaxial BiFeO3 Multiferroic Thin Film Heterostructures

J Wang, JB Neaton, H Zheng, V Nagarajan, SB Ogale… - science, 2003 - science.org
Enhancement of polarization and related properties in heteroepitaxially constrained thin
films of the ferroelectromagnet, BiFeO3, is reported. Structure analysis indicates that the …