The measured saturation magnetization of NiO.Fe2O3 at 0K is 56Am2/kg. Calculate the magnetic moment per molecule, in Bohr magnetons.
The magnetic moment per molecule = (56)/(6.023 * 1023)
= 9.297 * 10-23 Bohr magnetons
The measured saturation magnetization of NiO.Fe2O3 at 0K is 56Am2/kg. Calculate the magnetic moment per molecule,...
Cobalt has an orbital structure that gives a magnetic moment of 1.72 Bohr Magnetons per atom. Given the density of Cobalt is 8900 kg/m3 and the atomic mass of Cobalt is 59 calculate the following : (a) The saturation magnetization (b) The saturation flux density
For an Mn based ferrite, MnFe2O4, the magnetic moment comes from Mn. Given that the saturation magnetization of MnFe2O4 is 5.6×105 A/m, the atomic weight is 230.64 g/mol and density is 5.0 g/cm3. Calculate the number of Bohr magnetons per Mn2+ ion.
(1). A particular paramagnetic substance achieves 10.0% of its saturation magnetization when placed in a magnetic field of 5.00 T at a temperature of 4.00 K. The density of magnetic atoms in the sample is 8.00 x 1027 atoms/m3, and the magnetic moment per atom is 5.00 Bohr magnetons. Calculate the Curie constant for this substance. (2). The magnetic moment of the Earth is approximately 8.00 x 1022 A∙m2. a. If this were caused by the complete magnetization of a...
A common calibrant for a magnetic susceptibility measurements is Hg[Co(NCS)4] because of its high magnetic moment of 4.5 Bohr magnetons. From this information, can any of the following four structures be eliminated for the anion?: 1. Tetrahedral (high spin and low spin) 2. Square planar (high spin and low spin)
3. Saturation Magnetization of Magnetite Fe O The temperature dependence of the spontaneous magnetization of magnetite (lodestone) Fe O, as measured by Pierre Weiss is given in the following table: M/M, 0.92 0.88 0.83 0.77 068 058 043 0.32 0.22 0.03 T/Tc 0.23 0.33 0.43 0.54 066 0.78 0.89 0.94 0.95 0.98 0.8 0.6 olron i-…-쇼Niekel , l...- - xCobalt 0.2 0.4 0.6 0.2 0.8 Include the spontaneous magnetizations into the plot and compare with curve (a) which is the...
Consider a canonical ensemble of ? paramagnetic particles of
magnetic moment ? in an external magnetic field B and find
a. An expression for the average magnetic moment per
particle
b. The total magnetization.
c. Demonstrate the Curie’s law of paramagnetism that predicts
that at high temperature the magnetization of the material is
proportional to the ratio between the external field and the
temperature
Consider a canonical ensemble of N paramagnetic particles of magnetic moment μ in an external magnetic...
Calculate the saturation magnetization in A/m for MFe2O4 given that each MFE2O4 cubic unit cell contains 8 M2+ and 16 Fe3+ ions, and that the unit cell edge length is 0.89nm. You may assume that each M2+ has a net 3 unbalanced spins.
The energy of a magnetic moment in a magnetic field is . A certain paramagnetic salt contains 1025 magnetic moments per m3. Each one has a value , due to the atom's spin. As the spin is 1/2, there only are two possible states and the magnetic moments can be parallel or antiparallel to the field. Each magnetic moment belongs to one distinguishable atom. A 1 cm3 sample of this salt is placed in a electromagnet producing a uniform magnetic...
The magnetic moment of the Earth is approximately 8.00 × 1022 A · m2. Imagine that the planetary magnetic field were caused by the complete magnetization of a huge iron deposit with density 7 900 kg/m3 and approximately 8.50 × 1028 iron atoms/m3. (a) How many unpaired electrons, each with a magnetic moment of 9.27 × 10−24 A · m2, would participate? (b) At two unpaired electrons per iron atom, how many kilograms of iron would be present in the...
2) A student measured the magnetic susceptibility of a transition metal complex using the same MSB instrument used in this laboratory experiment. A mass of 0.163 grams of the compound with a molar mass of 445 g/mol was transferred into an MSB tube to produce a sample length (L) of 1.74 cm. The net magnetic susceptibility reading (R) of 2304.0 nerg·G–2·cm–1 was measured at 25°C. a) Calculate the molar magnetic susceptibility, χm, in erg·G–2·mol–1. b) Calculate the magnetic moment-Bohr magneton...