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In physics, quasiparticles and collective excitations (which are closely related) are emergent phenomena that occur when a microscopically complicated system such as a solid behaves as if it contain...

An atom that is only weakly affected by a magnetic field is not magnetic



Classifications of Magnetic Materials by Ron Kurtus - Succeed in ...


Mar 23, 2012 ... A magnet will strongly attract ferromagnetic materials, weakly attract ... the atoms in a molecule or alloy, and the ability of domains of atoms or molecules to line up are the factors that determine how a material responds to a magnetic field. ... very weak magnets, but their attractive force can only be measured ...

Magnetic Properties - Chemwiki


Oct 3, 2015 ... The unpaired electrons are attracted by a magnetic field due to the .... C l atoms are paramagnetic (but weakly since only one electron is ...

Electron Configurations and Magnetic Properties of Ions - Boundless


In atomic physics and quantum chemistry, the electron configuration is the ... Substances that are negligibly affected by magnetic fields are considered ... minerals that is found naturally magnetized; the other, pyrrhotite, is only weakly magnetic.

How strong would a magnet need to be to affect the iron in a ... - Reddit


Aug 18, 2013 ... ... and large enough magnet, could it lift a person just by the iron in their blood? ... but first know hemoglobin is only weakly affected by magnetic fields. ... This works like paramagnetism, but the individual atoms affect each ...

What is the relationship between polarity and magnetic fields? How ...


Electric polarity of an atom has little to do with magnetic field. ... If Mars has a weak magnetic field and is affected by the Solar Wind, why does it have polar ice  ...

Magnetic properties of solids - HyperPhysics


Diamagnetism is a property of all materials and opposes applied magnetic fields, but is very weak. ... Then the total magnetic field B in the material is given by ... then the μ0 in those equations is typically replaced by just μ with the definition ... but if the atoms have some net magnetic moment as in paramagnetic materials, .....

FAQ-3: "The Great Magnet, the Earth" - Educational Web Sites


Feb 23, 2008 ... Could generated electricity affect Earth's magnetic field? .... These are phenomena of individual atoms, and at that scale, physics laws .... too turn into temporary magnets, these are very feeble, and are only weakly attracted.

Table of Contents — December 11, 2015, 350 (6266) | Science


Dec 11, 2015 ... A roundup of weekly science policy and related news. Summary · Full .... Electron -hole pair excitation determines the mechanism of hydrogen atom adsorption ... state that is only weakly affected by an in-plane magnetic field.

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Factors Determining Magnetic Properties by Ron Kurtus - Succeed ...


Feb 15, 2016 ... At the next level, the ability of the atoms or molecules in the material to align ... This spinning creates a magnetic field with N and S poles, just as the ... each other and the material will not be affected by a magnetic field ... Aluminum only has a few electrons aligned, and thus it is only weakly magnetic.

The Feynman Lectures on Physics Vol. II Ch. 34: The Magnetism of ...


A small cylinder of bismuth is weakly repelled by the sharp pole; a piece of aluminum is ... First, in many substances the atoms have no permanent magnetic moments, ... In this case, the moments try to line up with the magnetic field (in the way the ... It is an indirect effect which can be explained only by quantum mechanics.

Magnetic Materials - NDE/NDT Resource Center


... within a magnetic field, the magnetic forces of the material's electrons will be affected. ... The magnetic moments associated with atoms have three origins. ... Diamagnetic materials have a weak, negative susceptibility to magnetic fields. Diamagnetic materials are slightly repelled by a magnetic field and the material does ...