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1. A. Gordon, I.D. Vagner and P. Wyder: Kinetics of diamagnetic phase transitions
- www.magniel.com
- Kinetics of diamagnetic phase transitions .
- The kinetics of first-order diamagnetic phase transitions into a Condon domain phase, which may occur in normal metals under a strong magnetic field, is considered. Expressions for profile, velocity, and width of the interface between the homogeneous and diamagnetic domain phase are obtained. Critical sizes of clusters of the diamagnetic domain phase are calculated as a function of temperature. The experimental feasibility of observation of the kinetics of first-order diamagnetic phase transitions is discussed. ...
2. spr Forces on a diamagnetic metallic sphere in DC/AC magnetic field
- olympus.het.brown.edu
- spr Forces on a diamagnetic metallic sphere in DC/AC magnetic field .
- I'm trying to work out the forces experienced by a very small diamagnetic metallic sphere in a nonuniform magnetic field. ... Now what I do know (which might not be much!): 1) the small (micron size range) particle should have complete field penetration at the frequencies of interest 2) A static magnetic non-uniform field (like that above a current ring) will suspend a diamagnetic particle (Diagmagnetic Suspension: "Magnetic Fields" Knoepfel, H. ... What will be the result in terms of forces of an AC magnetic field on the suspension of the particle? How do I go about doing this calculation? Basically, what I don't know is what limitations or "simplifications" I can do when dealing with VERY small metal diamagnetic particles? Are the induced eddy currents significant at all in particles with such small size? Any thoughts or references would be appreciated. ...
3. Diamagnetic Levitation
- www.otherpower.com
- FUN WITH DIAMAGNETIC LEVITATION.
- The photos above show three variations of the diamagnetic levitation experiment--a magnet levitating between Carbon-Graphite plates, a magnet levitating between Bismuth plates, and a chip of Carbon-Graphite levitating over magnets.
- Certain materials are diamagnetic, which means that when they are exposed to a magnetic field, they induce a weak magnetic field in the opposite direction--their magnetic susceptibility is negative. Diamagnetic materials include Carbon-Graphite, water, protein, DNA, wood, Bismuth, Silver, Diamond and Gold. Bismuth and Carbon-Graphite are the strongest, around 20 times more diamagnetic than water. ... See a levitating frog here! There are a few easy experiments that demonstrate the diamagnetic properties of water. ... Check out our diamagnetic water experiments page HERE. Superconductors are perfectly diamagnetic--that's part of why the demonstration of magnet levitation over a superconductor is so dramatic. ...
- How does Diamagnetic Levitation Work? A large magnet above the small levitating magnet provides a lifting force to counteract gravity. ... The diamagnetic material provides vertical stability using the weak, reverse magnetic field that is induced in it by the small magnet. With gravity compensated for by the big magnet, the diamagnetic effect is enough to levitate the magnet. ... the small levitating magnet can be "suspended" underneath a diamagnetic block. This can be done using your fingers as the diamagnetic material (though it is a bit tricky)--but please use caution around strong magnets or you'll get pinched. ...
- Diamagnetic Material--Carbon-Graphite is the best material to try. It is possible to get it from old DC motor brushes, but the material varies in how diamagnetic it is. ... Our Carbon-Graphite (Item #36) is proven to be very diamagnetic; it's what we used in all of our photos. ...
4. physics/0305021 Diamagnetic Suppression of Component Magnetic Reconnection at the Magnetopause
- arxiv.org
- From: M Swisdak view email Date: Wed, 7 May 2003 16:49:24 GMT (404kb) Diamagnetic Suppression of Component Magnetic Reconnection at the Magnetopause.
- In the presence of an ambient component of the magnetic field perpendicular to the reconnection plane the gradient creates a diamagnetic drift that advects the X-line with the electron diamagnetic velocity. ... We discuss how these effects vary with both the plasma beta and the shear angle of the reconnecting field and discuss observational evidence for diamagnetic stabilization at the magnetopause. ...
5. Re: femm Forces on a small diamagnetic sphere in an AC/DC field
- femm.berlios.de
- --> Date Prev Date Next Thread Prev Thread Next Date Index Thread Index Re: femm Forces on a small diamagnetic sphere in an AC/DC field.
- Subject: Re: femm Forces on a small diamagnetic sphere in an AC/DC field .
- You wouldn't have to apply any special boundary conditions on the surface of the diamagnetic particle--it takes care of things itself. ...
- I'm trying to work out the forces experienced by a very small diamagnetic metallic sphere in a nonuniform magnetic field. ...
- 2) A static magnetic non-uniform field (like that above a current ring) will suspend a diamagnetic particle (Diagmagnetic Suspension: "Magnetic Fields" Knoepfel, H. ...
- I can do when dealing with VERY small metal diamagnetic particles? Are the induced eddy currents significant at all in particles with.
- This problem obviously has azimuthal symmetry if one imagines a diamagnetic sphere hovering above the center of a coil. I understand how to model the coil, but Im not sure how to specify the boundary conditions on the diamagnetic sphere (say its made of silver). ...
- Re: Forces on a small diamagnetic sphere in an AC/DC field .
- Forces on a small diamagnetic sphere in an AC/DC field .
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6. Diamagnetic double-loop method for a highly sensitive measurement of energy stored in a Stellarator plasma
- www.energy.kyoto-u.ac.jp
- Diamagnetic double-loop method for a highly sensitive measurement of energy stored in a Stellarator plasma .
- In this article we describe a diamagnetic double-loop method for measurement of the energy stored in a magnetized plasma. Two concentric diamagnetic loops enclose a plasma column. The advantage of this method is the capability to a high extent the background magnetic field and the effect of eddy currents in the measurement of relatively small diamagnetic signals. ... This diamagnetic double-loop method improved the signal to noise ratio of the conventional single loop method sixfold. ...
7. Determination of the content of ferromagnetic or diamagnetic solid fraction in suspension and solid mixtures by SQUID system
- www.ssc2002.savba.sk
- Determination of the content of ferromagnetic or diamagnetic solid fraction in suspension and solid mixtures by SQUID system.
- In this paper a new method is introduced for the determination of the content of ferromagnetic and diamagnetic solid fractions in suspension and solid mixtures combining theoretical calculations and magnetometric measurements. ... In the second case granular HTc superconductors in ac field were investigated and the volume content of superconducting phase which coresponds to the diamagnetic response of the measuring system, was calculated. ...
8. Diamagnetic Levitation
- www.physics.northwestern.edu
- Diamagnetic materials are made up of molecules that have no permanent dipole moment. However, when a diamagnetic material is exposed to a magnetic field, a dipole is induced. ... Diamagnetic levitation occurs by suspending a small magnet between two diamagnetic plates and hanging a large lifter magnet overhead. ... As it moves upward, the diamagnetic plate causes a downward force on the magnet. ...
- Without the lifter magnet, the repulsions of the diamagnetic plates are not strong enough to overcome gravity and levitate the magnet. ... In the following pictures Bismuth was used as the diamagnetic material. ...
9. Frank's diamagnetic levitator page
- www.frenny.net
- Frank's Diamagnetic Levitator.
- In a diamagnetic levitator, the force exploited is diamagnetism. ... At room temperature, certain materials like pyrolytic graphite or elemental bismuth can exert a minute amount of diamagnetic force. ... The diamagnetic force exerted on the magnet is related to the strength of the magnetic field around the diamagnetic material. Since there are no known material that exhibits perfect diamagnetism (reflects 100% of the magnetic field it is exposed to), the diamagnetic force is thus, small. Currently there are no commercially available magnet strong enough to produce a diamagnetic force in graphite that can overcome Earth's gravitational force.
- Since graphite is not a perfect diamagnetic material (i. ...
10. MHD dynamo and diamagnetic dynamo on PRL - Abstract
- w3.pppl.gov
- In the collisionless region the magnetohydrodynamic dynamo alone can sustain the parallel current, while in the collisional region a new dynamo mechanism resulting from the fluctuations in the electron diamagnetic drift becomes dominant. ...
11. Cable Asylum - Re: Diamagnetic vs. Paramagnetic - jneutron, June 24, 2004 at 13:54:13
- www.audioasylum.com
- Re: Diamagnetic vs. ...
- In Reply to: Re: Diamagnetic vs. ...
- they use superconductors where I work, and they are extremely diamagnetic, but nobody sees any advantage or disadvantage to using it, other than being able to get 1000 amps through an 18 guage wire.
- Re: Diamagnetic vs. ...
12. Valerij S. Egorov: Condon domains - these non-magnetic diamagnetic domains
- www.hait.ac.il
- Condon domains - these non-magnetic diamagnetic domains .
- The author gives a physical picture of the periodic emergence of instabilities and well-known diamagnetic domains (Condon domains) in metals resulting from the strong de Haas-van Alphen effect. ...
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