Results 51 to 60 of about 13,912 (266)
Dynamics of quartz tuning fork force sensors used in scanning probe microscopy
, 2010 We have performed an experimental characterization of the dynamics of oscillating quartz tuning forks which are being increasingly used in scanning probe microscopy as force sensors.
A Castellanos-Gomez +6 more
core +1 more source
A comparsion of force sensors for atomic force microscopy based on quartz tuning forks and length extensional resonators [PDF]
, 2011 The force sensor is key to the performance of atomic force microscopy (AFM). Nowadays, most AFMs use micro-machined force sensors made from silicon, but piezoelectric quartz sensors are applied at an increasing rate, mainly in vacuum.
An, Toshu +4 more
core +2 more sources
A three million Q factor tuning fork resonator based on a vibration isolation structure
AIP Advances, 2022 The quality factor (Q factor) is one of the most important parameters for a resonant sensor since it determines the performance of the resonant system. The mass distribution imbalance caused by the fabrication error has a great impact on the anchor loss,
Zilong Feng +3 more
doaj +1 more source
, 2007 Higher harmonic modes in nanoscale silicon cantilevers and microscale quartz tuning forks are detected and characterized using a custom scanning optical homodyne interferometer.
Bashir, Rashid +5 more
core +1 more source
Optics ExpressWhat we believe to be a novel load capacitance matching method is proposed for adjusting the resonant frequency of a quartz tuning fork (QTF) in a multi-QTF-based laser spectroscopy gas sensor for the first time.
Hanxu Ma +4 more
semanticscholar +1 more source
Dual-frequency modulation quartz crystal tuning fork–enhanced laser spectroscopy
Optics Express, 2020 An innovative trace gas-sensing technique utilizing a single quartz crystal tuning fork (QCTF) based on a photoelectric detector and dual-frequency modulation technique was demonstrated for the first time for simultaneous multi-species detection. Instead of traditional semiconductor detectors and lock-in amplifier, we utilized the piezoelectric effect ...
Linguang Xu +6 more
openaire +3 more sources
Applications of the quartz tuning fork in classical and superfluid hydrodynamics
EPJ Web of Conferences, 2012 We present a short review of the multitude of applications of the commercially produced quartz tuning fork in cryogenic fluid dynamics, using cold gaseous, normal liquid and superfluid 4He as working fluids with extraordinary, but well-known and tunable ...
La Mantia Marco +2 more
doaj +1 more source
Towards low-cost QEPAS sensors for nitrogen dioxide detection
Photoacoustics, 2020 Increasing awareness of the adverse health effects of air pollution leads to a demand of low-cost sensors for the measurement of pollutants such as NO2.
P. Breitegger +5 more
doaj +1 more source
Carbon fibre tips for scanning probe microscopy based on quartz tuning fork force sensors
, 2010 We report the fabrication and the characterization of carbon fibre tips for their use in combined scanning tunnelling and force microscopy based on piezoelectric quartz tuning fork force sensors.
A Castellanos-Gomez +13 more
core +1 more source
Quantum Emitters in Hexagonal Boron Nitride: Principles, Engineering and Applications
Advanced Functional Materials, EarlyView.Quantum emitters in hexagonal boron nitride have emerged as a promising candidate for quantum information science. This review examines the fundamentals of these quantum emitters, including their level structures, defect engineering, and their possible chemical structures.
Thi Ngoc Anh Mai +8 more
wiley +1 more source