Results 21 to 30 of about 709 (218)

Passive Defect Driven Morphogenesis in Nematic Membranes

open access: yesPhysical Review Letters
Topological defects are ubiquitous on surfaces with orientational order fields. Here, we study equilibrium states generated by the feedback between geometry and nematic order on fluid membranes with an integer topological defect. When the Frank elastic constants associated with the orientational field dominate, the surfaces spontaneously deform toward ...
Pearce, D. J. G.   +3 more
openaire   +4 more sources

Defect Creation and Passivation by Hydrogen Plasma in Silicon and Germanium [PDF]

open access: yesECS Meeting Abstracts, 2010
Abstract not Available.
Lauwaert, Johan   +4 more
openaire   +2 more sources

Ultralong photoluminescence lifetime enables efficient tin halide perovskite solar cells

open access: yesNext Materials
Lewis base additives typically undergo interactions with SnI2 to achieve effective defect passivation in lead-free perovskite films. In this work, the thiophene ring in 2-thiophenethylammonium chloride (TEACl) has coordination interactions with Sn2+ and ...
Miao Zhang   +9 more
doaj   +1 more source

Tumour–host interactions in Drosophila: mechanisms in the tumour micro‐ and macroenvironment

open access: yesMolecular Oncology, EarlyView.
This review examines how tumour–host crosstalk takes place at multiple levels of biological organisation, from local cell competition and immune crosstalk to organism‐wide metabolic and physiological collapse. Here, we integrate findings from Drosophila melanogaster studies that reveal conserved mechanisms through which tumours hijack host systems to ...
José Teles‐Reis, Tor Erik Rusten
wiley   +1 more source

A High-Performance Perovskite Solar Cell Prepared Based on Targeted Passivation Technology

open access: yesCrystals
Perovskite materials have garnered significant attention in both fundamental research and practical applications owing to their exceptional light absorption coefficients, low fabrication costs, and inherent advantages for thin-film and flexible device ...
Meihong Liu   +15 more
doaj   +1 more source

Surface Defect Passivation of Silicon Micropillars

open access: yesAdvanced Materials Interfaces, 2018
AbstractReactive ion etching (RIE) used to fabricate high‐aspect‐ratio (HAR) nano/microstructures is known to damage semiconductor surfaces which enhances surface recombination and limits the conversion efficiency of nanostructured solar cells. Here, defect passivation of ultrathin Al2O3‐coated Si micropillars (MPs) using different surface pretreatment
Dmitry Mikulik   +8 more
openaire   +3 more sources

Metastasis on pause: How dormant tumor cells stay hidden within the tumor microenvironment and evade immune surveillance

open access: yesMolecular Oncology, EarlyView.
Dormant cancer cells can hide in distant organs for years, evading treatment and the immune system. This review highlights how signals from the surrounding tissue and immune environment keep these cells inactive or trigger their reawakening. Understanding these mechanisms may help develop therapies to eliminate or control dormant cells and prevent ...
Kanishka Tiwary   +1 more
wiley   +1 more source

Passivation of defects in Cs0.1FA0.9PbI3 perovskite films using zwitterionic molecules for enhanced performance

open access: yesMaterials Research Express
Defect passivation in the bulk and at the surface of the perovskite absorbing layer is essential to enhance the efficiency and stability of perovskite solar cells.
Maha AbuShawish   +2 more
doaj   +1 more source

Translating whole‐genome doubling into precision medicine in cancer

open access: yesMolecular Oncology, EarlyView.
Whole‐genome doubling creates a WGD‐positive tumor state characterized by persistent chromosomal instability, karyotypic diversification, and cellular stress. These same biological pressures drive aggressive tumor evolution while exposing therapeutic vulnerabilities, providing a rationale for WGD‐informed precision medicine. Whole‐genome doubling (WGD)
Sejung Lee, Junghyeok Lim, Jinhyuk Bhin
wiley   +1 more source

Influence of deposition temperature of thermal ALD deposited Al2O3 films on silicon surface passivation

open access: yesAIP Advances, 2015
The effect of deposition temperature (Tdep) and subsequent annealing time (tanl) of atomic layer deposited aluminum oxide (Al2O3) films on silicon surface passivation (in terms of surface recombination velocity, SRV) is investigated. The pristine samples
Neha Batra   +5 more
doaj   +1 more source

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