A review of demodulation techniques for amplitude-modulation atomic force microscopy

MG Ruppert, DM Harcombe… - Beilstein journal of …, 2017 - beilstein-journals.org
In this review paper, traditional and novel demodulation methods applicable to amplitude-
modulation atomic force microscopy are implemented on a widely used digital processing …

Improvement in the imaging performance of atomic force microscopy: A survey

MS Rana, HR Pota, IR Petersen - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
Nanotechnology is the branch of science which deals with the manipulation of matters at an
extremely high resolution down to the atomic level. In recent years, atomic force microscopy …

A Kalman filter for amplitude estimation in high-speed dynamic mode atomic force microscopy

MG Ruppert, KS Karvinen, SL Wiggins… - … on Control Systems …, 2015 - ieeexplore.ieee.org
A fundamental challenge in dynamic mode atomic force microscopy (AFM) is the estimation
of the cantilever oscillation amplitude from the deflection signal, which might be distorted by …

Multimode Control in Tapping-Mode AFM: Enabling Imaging on Higher Flexural Eigenmodes

MG Ruppert, SOR Moheimani - IEEE Transactions on Control …, 2015 - ieeexplore.ieee.org
Numerous dynamic atomic force micros-copy (AFM) methods have appeared in recent
years, which make use of the excitation and detection of higher order eigenmodes of the …

[HTML][HTML] High-bandwidth multimode self-sensing in bimodal atomic force microscopy

MG Ruppert, SOR Moheimani - Beilstein journal of …, 2016 - beilstein-journals.org
Using standard microelectromechanical system (MEMS) processes to coat a microcantilever
with a piezoelectric layer results in a versatile transducer with inherent self-sensing …

High-bandwidth demodulation in MF-AFM: A Kalman filtering approach

MG Ruppert, DM Harcombe… - … /ASME Transactions on …, 2016 - ieeexplore.ieee.org
Emerging multifrequency atomic force microscopy (MF-AFM) methods rely on coherent
demodulation of the cantilever deflection signal at multiple frequencies. These …

Kalman filter-based estimation of surface conductivity and surface variations in scanning tunneling microscopy

R Mishra, SOR Moheimani - IEEE Transactions on Control …, 2024 - ieeexplore.ieee.org
In this article, we present a novel method for decoupling surface electronic properties from
topographic surface variations in scanning tunneling microscope (STM). In a conventional …

Observer design for topography estimation in atomic force microscopy using neural and fuzzy networks

MR Javazm, HN Pishkenari - Ultramicroscopy, 2020 - Elsevier
In this study, a novel artificial intelligence-based approach is presented to directly estimate
the surface topography. To this aim, performance of different artificial intelligence-based …

Adaptive time-resolved mass spectrometry with nanomechanical resonant sensors

A Demir - IEEE Sensors Journal, 2021 - ieeexplore.ieee.org
Nanomechanical resonant sensors that are based on detecting and tracking the resonance
frequency deviations due to events of interest are being advocated for a variety of …

Real-time topography and Hamaker constant estimation in atomic force microscopy based on adaptive fading extended Kalman filter

MS Haghighi, HN Pishkenari - … Journal of Control, Automation and Systems, 2021 - Springer
In this study, a novel technique based on adaptive fading extended Kalman filter for atomic
force microscopy is proposed to directly estimate the topography of a sample surface without …