Transcription of AC Measurement of Magnetic Susceptibility
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AC Measurement of Magnetic SusceptibilityPhysics 401, Fall 2014 Eugene V. CollaOutline Ferromagnetism Measurement of the Magnetic properties of the materials Lab experimental setup and experiments Some results 11/10/20142 Ferromagnetism. Definition. Some materials below a certain temperature (Tc) give rise to the Magnetic field in absence of an applied magnetization is called spontaneous, the phenomenon ferromagnetism and materials exhibiting this feature ferromagnetics. The main parameter of the ferromagnetic phase transition is spontaneous magnetization T/Tc Ms(T)/Ms(0)Typical behavior of spontaneous magnetization as function of temperature11/10/20143 Ferromagnetic materials. AleksandrStoletov(1839 1896) MaterialCurie temp. (K)Co1388Fe1043Fe2O3*948 FeOFe2O3*858 NiOFe2O3*858 MgOFe2O3*713 MnBi630Ni627 MnSb587 MnOFe2O3*573Y3Fe5O12*560 CrO2386 MnAs318Gd292 Stoletov curve11/10/20144 Stoletovperformed pioneer works in area of ferromagnetic materials but better known by his research in photoelectric Domains.
AC Measurement of Magnetic Susceptibility Physics 401, Fall 2014 Eugene V. Colla. Outline
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Measurements, Magnetic, Frequency magnetic susceptibility in ferromagnetic and antiferromagnetic, Magnetic susceptibility, Magnetic Susceptibility Technique for the Characterization, MAGNETIC SUSCEPTIBILITY MEASUREMENTS, Magnetic Susceptibility of Coordination, Magnetic Susceptibility of Coordination Compounds in, MAGNETIC SUSCEPTIBILITY LOGGING FOR CORES, Susceptibility, Magnetic Susceptibility Measurements on Fly, Admixtured Cement Hydrated with Groundwater, Implications of Soil Magnetic Susceptibility, Magnetic measurements