Accession Number:

ADA522876

Title:

Temperature Measurement at the End of a Cantilever using Oxygen Paramagnetism in Solid Air

Descriptive Note:

Electronic preprint

Corporate Author:

ARMY RESEARCH LAB ADELPHI MD

Personal Author(s):

• Thurber, Kent R.
• Smith, Doran D.
• Harrell, Lee E.

Report Date:

2010-05-14

Pagination or Media Count:

4.0

Abstract:

We demonstrate temperature measurement of a sample attached to the end of a cantilever using cantilever magnetometry of solid air contamination of the sample surface. In experiments like our Magnetic Resonance Force Microscopy MRFM, the sample is mounted at the end of a thin cantilever with small thermal conductance. Thus, the sample can be at a significantly different temperature than the bulk of the instrument. Using cantilever magnetometry of the oxygen paramagnetism in solid air provides the temperature of the sample, without any modifications to our MRFM Magnetic Resonance Force Microscopy apparatus.

Descriptors:

• *TEMPERATURE MEASURING INSTRUMENTS
• MAGNETIC RESONANCE
• MICROSCOPY
• OXYGEN
• PARAMAGNETISM
• CANTILEVER BEAMS
• MAGNETOMETRY
• GALLIUM ARSENIDES
• THERMAL CONDUCTIVITY

Subject Categories:

• Test Facilities, Equipment and Methods
• Solid State Physics
• Thermodynamics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE