Results 41 to 50 of about 3,419 (196)

A New Optical Configuration for the Surface Encoder with an Expanded Z-Directional Measuring Range

Sensors, 2022
This paper proposes a new optical configuration for a two-axis surface encoder that can measure the in-plane (X-axis) and out-of-plane (Z-axis) displacements of a positioning stage. The two-axis surface encoder is composed of a scale grating and a sensor
Yifan Hong, Ryo Sato, Yuki Shimizu, Hiraku Matsukuma, Wei Gao   +4 more
doaj   +1 more source

The European nanometrology landscape

Nanotechnology, 2011
This review paper summarizes the European nanometrology landscape from a technical perspective. Dimensional and chemical nanometrology are discussed first as they underpin many of the developments in other areas of nanometrology. Applications for the measurement of thin film parameters are followed by two of the most widely relevant families of ...
Richard K, Leach, Robert, Boyd, Theresa, Burke, Hans-Ulrich, Danzebrink, Kai, Dirscherl, Thorsten, Dziomba, Mark, Gee, Ludger, Koenders, Valérie, Morazzani, Allan, Pidduck, Debdulal, Roy, Wolfgang E S, Unger, Andrew, Yacoot   +12 more
openaire   +4 more sources

Ethical Challenges in Nanometrology [PDF]

Communications - Scientific letters of the University of Zilina, 2018
Nanometrology is an intrinsic and fast developing part of nanoscience. Given the huge diversity of nanostructures ranging from large molecules from about 10 atoms to structures from 105 atoms (particles of the size ≤ 100 nm), broader investigations in this area cannot be exactly scrutinized nor repeated by the existing capacities. This gave rise to the
Stefan Luby, Martina Lubyova, Ivan Kostic, Pavol Hrkut   +3 more
openaire   +2 more sources

Is the Rayleigh-Sommerfeld diffraction always an exact reference for high speed diffraction algorithms? [PDF]

, 2017
In several areas of optics and photonics like wave propagation, digital holography, holographic microscopy, diffraction imaging, biomedical imaging and diffractive optics, the behavior of the electromagnetic waves has to be calculated with the scalar ...
Mehrabkhani, Soheil, Schneider, Thomas
core   +2 more sources

Ultraviolet Raman Spectroscopy of Single and Multi-layer Graphene

, 2009
We investigated Raman spectra of single-layer and multi-layer graphene under ultraviolet laser excitation at the wavelength of 325 nm. It was found that while the G peak of graphene remains pronounced in UV Raman spectra, the 2D band intensity undergoes ...
Alexander A. Balandin, Baranov A. V., Calizo I., Cardona M., Guanxiong Liu, Igor Bejenari, Irene Calizo, Muhammad Rahman   +7 more
core   +1 more source

Crystal Symmetry Breaking in Few-Quintuple Bismuth Telluride Films: Applications in Nanometrology of Topological Insulators

, 2010
We report results of micro-Raman spectroscopy investigation of the "graphene-like" mechanically exfoliated single-crystal bismuth telluride films with the thickness ranging from a few-nm-range to bulk limit.
Balandin, A. A., Hossain, M. Z., Shahil, K. M. F., Teweldebrhan, D.   +3 more
core   +1 more source

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

Nature Communications, 2020
Though integrating functional organic materials with semiconductor nanostructures is attractive for 3D chip processing, realizing these hybrids remains a challenge.
Linus Krieg, Florian Meierhofer, Sascha Gorny, Stefan Leis, Daniel Splith, Zhipeng Zhang, Holger von Wenckstern, Marius Grundmann, Xiaoxue Wang, Jana Hartmann, Christoph Margenfeld, Irene Manglano Clavero, Adrian Avramescu, Tilman Schimpke, Dominik Scholz, Hans-Jürgen Lugauer, Martin Strassburg, Jörgen Jungclaus, Steffen Bornemann, Hendrik Spende, Andreas Waag, Karen K. Gleason, Tobias Voss   +22 more
doaj   +1 more source

DNA origami structures as calibration standards for nanometrology [PDF]

, 2017
Peer ...
Korpelainen, Virpi, Kostiainen, Mauri A, Lassila, Antti, Linko, Veikko, Seppä, Jeremias   +4 more
core   +1 more source

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

ChemFoodChem, EarlyView.
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

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

EPJ 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, Harm Gunilla, Olivero Paolo, Voß Tobias, Kroker Stefanie, Bodermann Bernd   +5 more
doaj   +1 more source