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Exchange Interactions

Effect of Thickness on Magnetic Dipolar and Exchange Interactions in SmCo/FeCo/SmCo Thin Films

Effect of Thickness on Magnetic Dipolar and Exchange Interactions in SmCo/FeCo/SmCo Thin Films

... such interactions, and in particular, can be used to study the interplay between the exchange and the dipolar interactions in nanocomposite magnets ...short-range exchange interactions, ...

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Exchange interactions and magnetic phases of transition metal oxides: Benchmarking advanced ab initio methods

Exchange interactions and magnetic phases of transition metal oxides: Benchmarking advanced ab initio methods

... the exchange interactions very consistently in a wide range of lattice constant values around the equilibrium structure, showing an overall agreement with ...

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Modelling Magnetic Properties and Exchange Interactions in Various DTA Derivatives Using DFT

Modelling Magnetic Properties and Exchange Interactions in Various DTA Derivatives Using DFT

... anti-ferromagnetic interactions which are low dimensional and lead only to short-range antiferromagnetic behaviour down to 2 ...magnetic exchange) are critical to further success in this area particularly ...

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AB INITIO ANALYSIS OF EXCHANGE INTERACTIONS IN [V2O(BIPY)4CL2]2+ COMPLEX

AB INITIO ANALYSIS OF EXCHANGE INTERACTIONS IN [V2O(BIPY)4CL2]2+ COMPLEX

... the exchange interactions between metal centers is usually ...the interactions origin is needed to work out on the well-founded theoretical models of the polynuclear magnetic materials and to predict ...

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Ab initio dynamical exchange interactions in frustrated antiferromagnets

Ab initio dynamical exchange interactions in frustrated antiferromagnets

... In order to analyze how the quantities previously defined evolve dynamically in a real magnetic system under the action of an external electric pulse, we look at bulk FeMn. The ground-state properties of this material ...

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Synthesis and properties of the heterospin (S1 = S2 = 1/2) radical ion salt bis(mesitylene)molybdenum(I) [1,2,5]thiadiazolo[3,4 c][1,2,5]thiadiazolidyl

Synthesis and properties of the heterospin (S1 = S2 = 1/2) radical ion salt bis(mesitylene)molybdenum(I) [1,2,5]thiadiazolo[3,4 c][1,2,5]thiadiazolidyl

... structure of salt 2, parameters of the Heisenberg spin-Hamiltonian were calculated using the broken-symmetry DFT and CASSCF approaches, and the complex 3D magnetic structure with both the ferromagnetic (FM) and ...

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Negative energy waves and quantum relativistic Buneman instabilities

Negative energy waves and quantum relativistic Buneman instabilities

... In summary, we have developed a unified methodology for the treatment of low-frequency beam-driven instabilities in relativistic quantum plasmas. A detailed comparison was made considering different parameter regimes ...

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Low temperature magnetic properties of Nd2Ru2O7

Low temperature magnetic properties of Nd2Ru2O7

... the exchange interactions are antiferromagnetic and stronger than any dipolar interactions, long-range antiferromagnetic ordering is observed ...

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Density Functional Analysis of the Spin Exchange Interaction and Spin-Orbit Coupling in some Magnetic Oxides of Transition-Metal Elements.

Density Functional Analysis of the Spin Exchange Interaction and Spin-Orbit Coupling in some Magnetic Oxides of Transition-Metal Elements.

... spin exchange interaction, and spin-orbit ...spin exchange interactions between localized spins are essential in understanding the ordered magnetic structures of magnetic ...(SOC) interactions ...

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The zero moment half metal: How could it change spin electronics?

The zero moment half metal: How could it change spin electronics?

... Complete compensation only occurs at a single temperature, T = 0 K, because the two inequivalent sublattices experience different exchange interactions and their sublattice magnetization[r] ...

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Synthesis, Structure, Magnetic and Electronic Properties of Heterometallic Complexes Containing First-Row Transition Metals.

Synthesis, Structure, Magnetic and Electronic Properties of Heterometallic Complexes Containing First-Row Transition Metals.

... The main difference between this expression and Anderson’s theory is that the antiferromagnetic interaction using the natural magnetic orbital approach is assumed to be a weak bonding interaction between magnetic ...

319

Stock Prices and Exchange Rates in the EU and the USA: Evidence of their Mutual Interactions

Stock Prices and Exchange Rates in the EU and the USA: Evidence of their Mutual Interactions

... In addition, a test for the USA and the UK implicitly supports principles of the “stock-oriented” models, too. Significance of the cointegration factor’s coefficient documents that innovation of the stock markets indices ...

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Vol 3, No 2 (2014)

Vol 3, No 2 (2014)

... was predicted to cross between ferromagnetic and antiferromagnet exchange. The Cu-O2-Cu angle is 96.48(15)° is similar and suggests that the contributions from the two superexchange pathways are either nearly ...

5

Acoustic phonon exchange, attractive interactions, and the Wentzel-Bardeen singularity in single-wall nanotubes

Acoustic phonon exchange, attractive interactions, and the Wentzel-Bardeen singularity in single-wall nanotubes

... neglecting the stretching mode altogether, and (ii) keep- ing both the breathing mode and the retarded stretching mode, i.e. the action in Eq. (4.8), using a straightfor- ward generalization of exact results from Ref. ...

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Interactions Of Returns and Volatilities Among Different Sizes Of Stocks: A Survey In Tehran Stock Exchange

Interactions Of Returns and Volatilities Among Different Sizes Of Stocks: A Survey In Tehran Stock Exchange

... This paper investigates return and volatility spillover effects between the small, medium and large size firms using the multivariate GARCH framework (By size we mean a company's value on the stock market: the number of ...

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The Cost of Anger: Gender and Collective Violence in Technology

The Cost of Anger: Gender and Collective Violence in Technology

... 6 rationality that is required of women working in technological spaces. We should note the expectation that Price should not only pay attention to those seeking to offer their unsolicited “advice”, but that she should ...

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Magnetic interactions in cubic , hexagonal  and trigonal barium iron oxide fluoride, BaFeO2F

Magnetic interactions in cubic , hexagonal and trigonal barium iron oxide fluoride, BaFeO2F

... quadrupole interactions where different configurations of O 2- and F - ions in the surrounding anion sites result in different angles between the principal axis of the electric field gradient (EFG) and the ...

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Conceptual Content of the Generalized Theory of Gravitation of Jefimenko

Conceptual Content of the Generalized Theory of Gravitation of Jefimenko

... A ′ = A (4.36) Quite clearly, transformation equations for physical quantities not involving electric and magnetic fields (such as velocity, acceleration, force, etc.) remain va- lid for gravitational-cogravitational ...

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Geophysical characterisation of the groundwater surface water interface

Geophysical characterisation of the groundwater surface water interface

... GW-SW interactions are first considered, common geophysical approaches are outlined, various geophysical applications are then reviewed, and finally, avenues of future research are ...GW-SW interactions to ...

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A van der Waals density functional theory study of poly(vinylidene difluoride) crystalline phases

A van der Waals density functional theory study of poly(vinylidene difluoride) crystalline phases

... different exchange and correlation (XC) functionals including the LDA, the PBE generalised gradient approximation (GGA) [23], and the long range van der Waals (vdW) functionals vdW-DF [20, 24, 25] and vdW-DF2 ...

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