pub.1036543412
dimensions_id
Measurement of the thermodynamic temperature using a paramagnetic thermometric material
research_article
articles
2015-04
2015-04-01
It is suggested that thermodynamic temperature T be measured with magnetic susceptibility χ of a colloid solution of single-domain ferromagnet nanoparticles. The magnetic susceptibility is taken as a thermometric parameter, since χ and temperature are related by Curie’s law. It is shown that for Curie’s law to be satisfied, the magnetic susceptibility should be determined from the formula χ = Mμ0/B, where M is the magnetization and B is the mean magnetic induction in the colloid solution. Experimental verification carried out for a magnetite nanoparticle solution in the temperature range 273–373 K shows that when the temperature grows, the Curie constant either remains almost unchanged or increases by several percent. The increase in the Curie constant upon heating can be explained by the decomposition of conglomerates containing nanoparticles with antiparallel magnetic moments.
2019-04-10T22:30
595-599
false
https://scigraph.springernature.com/explorer/license/
http://link.springer.com/10.1134%2FS1063784215040325
en
St. Petersburg State Technological Institute, Technical University, Moskovskii pr. 26, 190013, St. Petersburg, Russia
St. Petersburg State Technological Institute
10.1134/s1063784215040325
doi
4
D’yachenko
S. V.
ae13eb74b683baf46c2ac549c0a20f162448437ad9eca358099c1250f86390b5
readcube_id
Nanotechnology
Zhernovoi
A. I.
60
0044-4642
0038-5662
Technical Physics
Springer Nature - SN SciGraph project
Technology