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Atomic force microscopy information


An AFM generates images by scanning a small cantilever over the surface of a sample. The sharp tip on the end of the cantilever contacts the surface, bending the cantilever and changing the amount of laser light reflected into the photodiode. The height of the cantilever is then adjusted to restore the response signal, resulting in the measured cantilever height tracing the surface.

Atomic force microscopy (AFM) or scanning force microscopy (SFM) is a very-high-resolution type of scanning probe microscopy (SPM), with demonstrated resolution on the order of fractions of a nanometer, more than 1000 times better than the optical diffraction limit.

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Atomic force microscopy

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Atomic force microscopy (AFM) or scanning force microscopy (SFM) is a very-high-resolution type of scanning probe microscopy (SPM), with demonstrated resolution...

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Scanning probe microscopy

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atomic force microscopy Contact AFM Non-contact AFM Dynamic contact AFM Tapping AFM AFM-IR CFM, chemical force microscopy C-AFM, conductive atomic force...

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Conductive atomic force microscopy

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In microscopy, conductive atomic force microscopy (C-AFM) or current sensing atomic force microscopy (CS-AFM) is a mode in atomic force microscopy (AFM)...

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Bimodal atomic force microscopy

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Bimodal Atomic Force Microscopy (bimodal AFM) is an advanced atomic force microscopy technique characterized by generating high-spatial resolution maps...

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Photoconductive atomic force microscopy

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Photoconductive atomic force microscopy (PC-AFM) is a variant of atomic force microscopy that measures photoconductivity in addition to surface forces...

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Atomic force acoustic microscopy

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Atomic force acoustic microscopy (AFAM) is a type of scanning probe microscopy (SPM). It is a combination of acoustics and atomic force microscopy. The...

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Kelvin probe force microscope

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Kelvin probe force microscopy (KPFM), also known as surface potential microscopy, is a noncontact variant of atomic force microscopy (AFM). By raster...

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Lipid bilayer

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bilayers often require advanced techniques like electron microscopy and atomic force microscopy. When phospholipids are exposed to water, they self-assemble...

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Mica

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J.; Ferrell, T. L. (1992). "Atomic force microscopy of DNA on mica and chemically modified mica". Scanning Microscopy. 6 (4): 911–8. PMID 1295085. "Isinglass...

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Piezoresponse force microscopy

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Piezoresponse force microscopy (PFM) is a variant of atomic force microscopy (AFM) that allows imaging and manipulation of piezoelectric/ferroelectric...

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Nanoneedle

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will be useful in atomic force microscopy (AFM), and can be easily grown in arrays. Such AFM arrays, besides producing near-atomic resolution images of...

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Fiber analysis

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sample to be in focus at one time. Atomic force microscopy is a method which is carried out using an atomic force microscope, which is an instrument that...

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Magnetic force microscope

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Magnetic force microscopy (MFM) is a variety of atomic force microscopy, in which a sharp magnetized tip scans a magnetic sample; the tip-sample magnetic...

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Nanoindentation

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hardness, as the contact area is not easily found. Atomic force microscopy or scanning electron microscopy techniques may be utilized to image the indentation...

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Microscopic scale

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view sub-wavelength, nanosized objects. Nanoscale imaging via atomic force microscopy has also been improved to allow a more precise observation of small...

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NanoWorld

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market leader for tips for scanning probe microscopy (SPM) and atomic force microscopy (AFM). The atomic force microscope (AFM) is the defining instrument...

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Multiphoton lithography

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medicine, biomedical engineering, micromechanic, microfluidic, atomic force microscopy, optics and telecommunication science. By the arrival of biocompatible...

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Electrostatic force microscope

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Electrostatic force microscopy (EFM) is a type of dynamic non-contact atomic force microscopy where the electrostatic force is probed. ("Dynamic" here...

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Capillary condensation

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cause many problems in materials science applications such as atomic-force microscopy and microelectromechanical systems. The Kelvin equation can be...

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Helen Hansma

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biomolecular materials, DNA-protein interactions, and the applications of Atomic Force Microscopy to biological materials. Hansma earned her bachelor's degree in...

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Nanoelectromechanical systems

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the NEMS device. Researchers from Ohio State University used atomic/friction force microscopy (AFM/FFM) to examine the effects of nanopatterning on hydrophobicity...

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Nanomaterials

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nanoparticles via atomic force microscopy (AFM) techniques. To measure the elastic modulus; indentation data is obtained via AFM force-displacement curves...

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Nanobiomechanics

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filaments and microtubules. For a description of atomic force microscopy (AFM), see atomic force microscopy. AFM has been used to study the nanoscale level...

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Scanning electrochemical microscopy

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resonance (SPR), electrochemical scanning tunneling microscopy (ESTM), and atomic force microscopy (AFM) in the interrogation of various interfacial phenomena...

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Polymeric surface

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Atomic force microscopy (AFM), a type of scanning force microscopy, was developed for mapping three-dimensional topographical variations in atomic surfaces...

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Chemical force microscopy

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In materials science, chemical force microscopy (CFM) is a variation of atomic force microscopy (AFM) which has become a versatile tool for characterization...

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Depletion force

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instrumentation including atomic force microscopy, optical tweezers, and hydrodynamic force balance machines. Atomic force microscopy (AFM) is commonly used to directly...

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