نتایج جستجو برای: magnetic structure

تعداد نتایج: 1842674  

حسین پور, محبوب, محمدی, محمد‌علی, مهدی‌زاده, مهدیه,

Magnetic reconnection, which occurs in high conducting plasmas, changes the topology of magnetic field lines and converts magnetic energy into the kinetic and thermal energy of plasma and also accelerates charged particles. This phenomenon plays an important role in changing the dynamic of laboratory and space plasmas such as fusion tokamaks and sun’s corona. The electric and magnetic fields ge...

2017
L. Tan Andreas Kreyssig J. W. Kim Alan I. Goldman Robert J. McQueeney T. A. Lograsso D. L. Schlagel S. L. Budko V. K. Pecharsky

Gd5Ge4 crystallizes in the orthorhombic space group Pnma, and orders antiferromagnetically below the Néel temperatureTN∼127 K. We have employed x-ray resonant magnetic scattering to elucidate the details of the magnetic structure. The magnetic unit cell is the same as the chemical unit cell. From azimuth scans and the Q dependence of the magnetic scattering, all three Gd sites in the structure ...

Journal: :journal of nanostructures 2012
m. almasi kashi a. ramazani n. akhshi e. j. khamse z. fallah

coni nanowires were deposited by pulsed electrodeposition technique into porous alumina templates. the effect of off time between pulses (toff) and reductive/oxidative time (treduc/oxid) on the microstructure and magnetic properties of the coni nanowires were investigated. maximum coercivity and squareness were obtained for samples fabricated at treduc/oxid= 0.5 ms and toff =400 ms. the coerciv...

Journal: :journal of physical & theoretical chemistry 2009
goudarz m. rouzbehani temer s. ahmadi ahmed seif

geometrical structure, nuclear magnetic resonance (n1,1it) chemical shielding tensors, and chemical shiftsof silicon and carbon nucler are investigated for twn infinite size zigzag and armchair single-walled siliconcarbide nanotabes (sicnts). geometrical structures of sients, sit bonds and bond angles of st and cvertices in both zigzag and armchair nanotubes, indicate that bond lengths are appr...

Journal: :Acta Physica Polonica A 2008

Journal: :Physical Review B 1986

Journal: :Physical Review B 2016

Journal: :Acta Crystallographica Section A Foundations of Crystallography 2009

Journal: :Acta Crystallographica Section A Foundations of Crystallography 2007

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