Peakforce Photothermal-Based Detection of IR Nanoabsorption

Peakforce Photothermal-Based Detection of IR Nanoabsorption

An apparatus and method of performing photothermal chemical nanoidentification of a sample includes positioning a tip of a probe at a region of interest of the sample, with the tip-sample separation being less than about 10 nm. Then, IR electromagnetic energy having a selected frequency, ω, is direc...

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1. Verfasser: ANDREEV GREGORY O
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Sprache:eng
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APPLICATIONS OF SCANNING-PROBE TECHNIQUES, e.g. SCANNING PROBEMICROSCOPY [SPM]
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
SCANNING-PROBE TECHNIQUES OR APPARATUS
TESTING
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creator ANDREEV GREGORY O
description An apparatus and method of performing photothermal chemical nanoidentification of a sample includes positioning a tip of a probe at a region of interest of the sample, with the tip-sample separation being less than about 10 nm. Then, IR electromagnetic energy having a selected frequency, ω, is directed towards the tip. Using PFT mode AFM operation, absorption of the energy at the region of interest is identified. calorimetry may also be performed with the photothermal PFT system.
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subjects APPLICATIONS OF SCANNING-PROBE TECHNIQUES, e.g. SCANNING PROBEMICROSCOPY [SPM]
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
SCANNING-PROBE TECHNIQUES OR APPARATUS
TESTING
title Peakforce Photothermal-Based Detection of IR Nanoabsorption
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