Results 41 to 50 of about 3,384,291 (161)

Extended Work Function Shift of Large‐Area Biofunctionalized Surfaces Triggered by a Few Single‐Molecule Affinity Binding Events

Advanced Materials Interfaces, 2023
Few binding events are here shown to elicit an extended work function change in a large‐area Au‐surface biofunctionalized with ≈108 capturing antibodies.
Cinzia Di Franco, Eleonora Macchia, Lucia Sarcina, Nicoletta Ditaranto, Aniqa Khaliq, Luisa Torsi, Gaetano Scamarcio   +6 more
doaj   +1 more source

Control of bilayer polyelectrolyte coating parameters using the Kelvin probe microscopy [PDF]

, 2017
В работе исследовалось бислойное покрытие полиэтиленимин/глюкозооксидаза на поверхности Si/SiO2 методом Кельвин-зонд силовой микроскопии (КЗСМ). При помощи КЗСМ удалось определить влияние освещения и типа проводимости Si на количество адсорбированных ...
Kozlowski, A. V., Стецюра, С. В., Stetsyura, S. V., Козловский, A. В.   +3 more
core  

Quantitative comparison of closed-loop and dual harmonic Kelvin probe force microscopy techniques [PDF]

, 2018
Kelvin probe force microscopy (KPFM) is a widely used technique to map surface potentials at the nanometer scale. In traditional KPFM, a feedback loop regulates the DC bias applied between a sharp conductive probe and a sample to nullify the ...
Weber, Stefan A. L., Rodriguez, B., Stefan A. L. Weber, Collins, L., Kilpatrick, J., Rodriguez, Brian J., Collins, Liam, Jason I. Kilpatrick, Liam Collins, Brian J. Rodriguez, Kilpatrick, J. I., Weber, S.   +11 more
core   +1 more source

MOVPE-Grown Quantum Cascade Laser Structures Studied by Kelvin Probe Force Microscopy

Crystals, 2020
A technique for direct study of the distribution of the applied voltage within a quantum cascade laser (QCL) has been developed. The detailed profile of the potential in the laser claddings and laser core region has been obtained by gradient scanning ...
Konstantin Ladutenko, Vadim Evtikhiev, Dmitry Revin, Andrey Krysa   +3 more
doaj   +1 more source

AFM tip characterization by Kelvin probe force microscopy [PDF]

, 2010
Reliable determination of the surface potential with spatial resolution is key for understanding complex interfaces that range from nanostructured surfaces to molecular systems to biological membranes. In this context, Kelvin probe force microscopy (KPFM)
A S Foster, Foster, A.S., C R Henry, C Barth, Hynninen, T., U Heiz, T Hynninen, Hymninen, T., Henry, C.R., Esch, F., M Bieletzki, Heiz, U., F Esch, Barth, C., Bieletzki, M., Henry, C. R., Foster, Adam S., Barth, C.;Hynninen, T.;Bieletzki, M.;Henry, C. R.;Foster, A. S.;Esch, F.;Heiz, U.   +17 more
core   +2 more sources

Probing the surface electrical properties of clay minerals with electrostatic force microscopy and kelvin probe force microscopy

Materials Research Express
Many surface processes of clay minerals require in-depth understanding of their surface electrical properties, such as surface charge density, surface potential distribution, etc In this paper, electrostatic force microscopy (EFM) and Kelvin probe force ...
Zonghua Qin, Xin Nie, Wenbin Yu, Shuguang Yang, Zongke Zhou, Shuqin Yang, Quan Wan   +6 more
doaj   +1 more source

High–low Kelvin probe force spectroscopy for measuring the interface state density

Beilstein Journal of Nanotechnology, 2023
The recently proposed high–low Kelvin probe force microscopy (KPFM) enables evaluation of the effects of semiconductor interface states with high spatial resolution using high and low AC bias frequencies compared with the cutoff frequency of the carrier ...
Ryo Izumi, Masato Miyazaki, Yan Jun Li, Yasuhiro Sugawara   +3 more
doaj   +1 more source

Multimodal noncontact atomic force microscopy and Kelvin probe force microscopy investigations of organolead tribromide perovskite single crystals

Beilstein Journal of Nanotechnology, 2018
In this work, methylammonium lead tribromide (MAPbBr3) single crystals are studied by noncontact atomic force microscopy (nc-AFM) and Kelvin probe force microscopy (KPFM).
Yann Almadori, David Moerman, Jaume Llacer Martinez, Philippe Leclère, Benjamin Grévin   +4 more
doaj   +1 more source

Nanoscale photovoltage mapping in CZTSe/CuxSe heterostructure by using kelvin probe force microscopy

Materials Research Express, 2020
In the present work, kelvin probe force microscopy (KPFM) technique has been used to study the CZTSe/Cu _x Se bilayer interface prepared by multi-step deposition and selenization process of metal precursors.
Manoj Vishwakarma, Deepak Varandani, Mylene Hendrickx, Joke Hadermann, B R Mehta   +4 more
doaj   +1 more source

Quantitative Kelvin probe force microscopy of current-carrying devices [PDF]

, 2013
Kelvin probe force microscopy (KPFM) should be a key tool for characterizing the device physics of nanoscale electronics because it can directly image electrostatic potentials.
Gomez, Jose R, Brad L. Corso, O. Tolga Gul, Pan, Deng, Deng Pan, Gul, O Tolga, Elliot J. Fuller, Philip G. Collins, Corso, Brad L, Fuller, Elliot J, Collins, Philip G, Jose R. Gomez, Gomez, Jose R., Corso, Brad L., Fuller, Elliot J., Gul, OSMAN TOLGA, Collins, Philip G.   +16 more
core   +1 more source