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Losses in superconducting Niobium Films caused by Interface Tunnel Exchange
Superconducting cavities niobium Quadrupole Resonator interface tunnel exchange surface resistance
2012/4/20
Identifying the loss mechanisms of niobium film cavities enables an accurate determination of applications for future accelerator projects and points to research topics required to mitigate their limi...
Effects of s,p - d and s - p exchange interactions probed by exciton magnetospectroscopy in (Ga,Mn)N
exchange interactions exciton magnetospectroscopy
2010/11/25
Near band-gap photoluminescence and reflectivity in magnetic field are employed to determine the exchange-induced splitting of free exciton states in paramagnetic wurtzite Ga1−xMnxN, x . 1%,grow...
Spin exchange interaction with tunable range between graphene quantum dots
Spin exchange interaction tunable graphene quantum dots
2010/11/22
We study the spin exchange between two electrons localized in separate quantum dots in graphene.The electronic states in the conduction band are coupled indirectly by tunneling to a common continuum o...
Observation of exchange Coulomb interactions in the quantum Hall state at nu=3
exchange Coulomb interactions quantum Hall state
2010/11/19
Coulomb exchange interactions of electrons in the = 3 quantum Hall state are determined from
two inter-Landau level spin-flip excitations measured by resonant inelastic light scattering. The two co...
Ab initio prediction of ferrimagnetism, exchange interactions and Curie temperatures in Mn2TiZ Heusler compounds
initio prediction of ferrimagnetism Curie temperatures
2010/11/19
The Heusler compounds Mn2TiZ (Z = Al, Ga, In, Si, Ge, Sn, P, As,Sb) are of large interest due to their potential ferrimagnetic properties and high spin polarization. Here, we present calculations of t...
Spin waves in magnetic quantum wells with Coulomb interaction and $sd$ exchange coupling
Spin waves magnetic quantum wells Coulomb interaction
2010/11/24
We theoretically describe the spin excitation spectrum of a two dimensional electron gas embedded in a quantum well with localized magnetic impurities. Compared to the previous work,
we introduce equ...
Possibility of exchange switching ferromagnet - antiferromagnet junctions
Possibility of exchange ferromagnet - antiferromagnet junctions
2010/11/24
Current flowing is studied in magnetic junctions consisting of a ferromagnetic metal (FM), antiferromagnetic conductor (AFM) and a nonmagnetic metal closing the electric circuit. The FM layer with hig...
期刊信息
篇名
Effect of grain size and magnetocrystalline anisotropy on exchange coupling in nanocomposite two-phase Nd-Fe-B magnets
语种
英文
撰写或编译
作者
Q F Xiao,T Zhao,Z D Zhang,E Bruck,K H J.Buschow and F.R.de...
Effects of Disorder on the Exchange Coupling in (Ga,Mn)As Diluted Magnetic Semiconductors
Disorder Exchange coupling Diluted magnetic semiconductors
2010/8/26
A theoretical study of the effects of disorder on the Mn-Mn exchange interactions for Ga1¡xMnxAs diluted magnetic semiconductors is presented. The disorder is intrinsically considered in the cal...