Results 41 to 50 of about 1,529 (201)

Recent progress and challenges in AFM-based true-3D micro and nanometrology [PDF]

open access: yes, 2023
In this paper, challenges of true-3D nanometrology are discussed on four fundamental aspects: probing sensor, measurement strategy, tip geometry and structure/tip deformation.
Tutsch, Rainer   +3 more
core   +1 more source

Investigations on Diamond-NV-Centers as Alternative Labels in STED Microscopy [PDF]

open access: yesEPJ Web of Conferences
We investigate diamond nitrogen-vacancy (NV) centers as alternative labels in stimulated emission depletion (STED) microscopy. To this end, artificial diamond is used as a substrate and Raman spectroscopy in photoluminescence (PL) mode is performed for ...
Nouri Mohammad   +5 more
doaj   +1 more source

Toward three-dimensional hybrid inorganic/organic optoelectronics based on GaN/oCVD-PEDOT structures

open access: yesNature Communications, 2020
Though integrating functional organic materials with semiconductor nanostructures is attractive for 3D chip processing, realizing these hybrids remains a challenge.
Linus Krieg   +22 more
doaj   +1 more source

METROLOGY IN UKRAINE

open access: yesInformatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska, 2016
The structure of Ukrainian metrology service, tasks of everyone its unit, basic stages of development and transformation of national legislation are considered on metrology tasks and harmonization of basic concepts and organizational structure of ...
Oleksandr1 Huk   +2 more
doaj   +1 more source

Optical Skyrmions with Tunable or Reconfigurable Topology Using Spin‐Decoupled Metaoptics

open access: yesLaser &Photonics Reviews, EarlyView.
The work introduces advanced optical elements capable of generating and dynamically reconfiguring complex light patterns known as optical skyrmions. By precisely shaping light polarization at the nanoscale, a single engineered metasurface can generate and manipulate robust and tunable polarization textures in an efficient and scalable way.
Andrea Vogliardi   +5 more
wiley   +1 more source

Environmental Transformation and Trophic Transfer of Engineered Nanomaterials in the Agri‐Food Chain and Implications for human Health

open access: yesChemFoodChem, Volume 2, Issue 2, June 2026.
ABSTRACT Engineered nanomaterials (ENMs) are increasingly applied in agriculture to improve crop yield, nutrient efficiency, and food quality. This study examines the environmental transformation of ENMs, their uptake in plants, and their transfer across the agri‐food chain leading to human exposure.
Soumitra Nath
wiley   +1 more source

Unlocking the Full Potential of Zinc Oxide/Cerium Oxide Composite Nanoparticles for Removal of Mixed Pharmaceutical and Dye Pollutants in Water

open access: yesAdvanced Materials Interfaces, Volume 13, Issue 8, 21 April 2026.
ZnO/CeO2 composite nanoparticles synthesized via a facile hydrothermal method simultaneously degrade ciprofloxacin, tetracycline, methylene blue, and methyl orange in a four‐component mixture under UV irradiation. The Ce3+/Ce4+ redox cycling and oxygen vacancies at the ZnO/CeO2 interface suppress charge recombination and enhance reactive species ...
Aditya Rianjanu   +11 more
wiley   +1 more source

CALIBRATION OF CAPACITIVE SENSORS AND ELECTRONIC LEVELS FOR THE STRAIGHTNESS MEASUREMENTS USING MULTIPROBE METHOD [PDF]

open access: yes, 2011
In this work, the straightness length 300 mm measurement under nanometer uncertainty. The proposed methodology represents a process known as propagation using the assumption of small displacement which leads to solving an overdetermined linear system ...
LELEU, Stéphane   +3 more
core  

Angular-momentum nanometrology in an ultrathin plasmonic topological insulator film [PDF]

open access: yes, 2018
Complementary metal-oxide-semiconductor (CMOS) technology has provided a highly sensitive detection platform for high-resolution optical imaging, sensing and metrology.
Wei, S, Yue, Z, Gu, M, Ren, H, Lin, J
core   +1 more source

Fundamentals of Deep‐Subwavelength Near‐Field Imaging With Hyperbolic Polaritons

open access: yesNanophotonics, Volume 15, Issue 8, 24 April 2026.
Hyperbolic polaritons enable deep‐subwavelength near‐field imaging. This work reveals the intrinsic resolution limit of polaritonic imaging by linking it to the linewidth of hyperbolic polariton beams. A negative‐refraction‐based strategy is proposed to achieve scale fidelity under appropriate thickness configurations and to mitigate geometrical ...
Tianran Yu   +7 more
wiley   +1 more source

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