Results 151 to 160 of about 39,642 (326)

Ferromagnetism in LaFeO3/LaNiO3 superlattices with high Curie temperature

open access: yesNature Communications
Interfacing complex oxides in atomically engineered layered structures can give rise to a wealth of exceptional electronic and magnetic properties that surpass those of the individual building blocks.
Tianlin Zhou   +13 more
doaj   +1 more source

Overcoming the Stability Issue for Hydrophobic Hole Transporting Layers Utilized in Tin‐Lead Perovskite and Tandem Solar Cells

open access: yesAdvanced Functional Materials, EarlyView.
A non‐annealed process is developed for non‐PEDOT:PSS inverted tin‐lead perovskite solar cells to attain PCE 22.67% for the PTAA‐based device. When PTAA is applied in an all‐perovskite tandem solar cell, a record efficiency of 28.14% is obtained with great stability for the efficiency maintaining 96% of its original value for 500 h under one‐sun ...
Chun‐Hsiao Kuan   +12 more
wiley   +1 more source

Automated design of hybrid halide perovskite monolayers for band gap engineering

open access: yesnpj Computational Materials
The recent experimental confirmation of perovskite monolayers has sparked ongoing efforts in their prediction and synthesis, showcasing their flexible tunable band gap and potential in advanced functional devices.
Jie Hu   +3 more
doaj   +1 more source

Vibrational relaxation dynamics in layered perovskite quantum wells. [PDF]

open access: yesProc Natl Acad Sci U S A, 2021
Quan LN   +10 more
europepmc   +1 more source

Does a Morphotropic Phase Boundary Exist in ZrxHf1‐xO2‐Based Thin Films?

open access: yesAdvanced Functional Materials, EarlyView.
This study investigates 6 nm zirconium‐rich hafnium‐zirconium oxide thin–film metal–insulator–metal capacitors using a combination of experimental methods and machine learning–based molecular dynamics simulations to provide insight into the physical mechanisms that enhance the dielectric constant near 0 V and attribute it to the field‐induced ...
Pramoda Vishnumurthy   +9 more
wiley   +1 more source

Defect Density-Dependent Dynamics of Double Absorber Layered Perovskite Solar Cell

open access: yesIEEE Photonics Journal
This work elucidates the intricate interplay between the structural complexity of double absorber layered perovskite solar cells and the presence of defects, offering crucial insights for advancing the field of photovoltaics.
Lakshmi Prasanna J   +2 more
doaj   +1 more source

Current advancements on charge selective contact interfacial layers and electrodes in flexible hybrid perovskite photovoltaics

open access: green, 2020
Gopalan Saianand   +9 more
openalex   +2 more sources

Control of Polarization and Polar Helicity in BiFeO3 by Epitaxial Strain and Interfacial Chemistry

open access: yesAdvanced Functional Materials, EarlyView.
In BiFeO3 thin films, the interplay of interfacial chemistry, electrostatics, and epitaxial strain is engineered to stabilize homohelicity in polarization textures at the domain scale. The synergistic use of a Bi2O2‐terminated Aurivillius buffer layer and a highly anisotropic compressive epitaxial strain offers new routes to control the polar‐texture ...
Elzbieta Gradauskaite   +5 more
wiley   +1 more source

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