Half-Metallic
Charge dynamics in the half metallic ferromagnet CrO2
... room temperature but it has a remarkably low residual resistivity ( ⬍ 5 ⍀ cm) despite the small spectral weight associated with free carrier absorption. The infrared measurements show that low residual resistivity is ...
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Mechanical and Thermodynamic Properties of Half metallic Ferromagnetism Containing Cobalt and Titanium
... The electronic structure report that, our compounds have half-metallic (HM) nature. The mechanical results show that these compounds are mechanically stable. and exhibit 100% spin polarization at the Fermi ...
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1/f noise in the half metallic oxides CrO2, Fe3O4, and La2/3Sr1/3MnO3
... in metallic films. If one thinks of including a half-metallic ferromagnetic oxide in a magnetic sensor, its intrinsic 1/f noise could limit the low-frequency sensitivity of the device for detection ...
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Colossal Proximity Effect in a Superconducting Triplet Spin Valve Based on the Half-Metallic Ferromagnet CrO2
... The final striking feature in our results is the observed characteristic peak in the transition curve of a TSV at a finite in-plane field, which disappears when the field is rotated out of the plane [see Fig. 2(b)]. As ...
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Half-metallic Co-based quaternary Heusler alloys for spintronics: Defect- and pressure-induced transitions and properties
... a metallic transition, while half-metallicity in CoFeCrGe is retained for a limited ...retains half-metallic character in Cr-excess ...from half- metallic to metallic, ...
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Origin of the half metallic properties of graphitic carbon nitride in bulk and confined forms
... carbon atom couples weakly with the frontier molecular orbitals of the sym -triazine ring due to symmetry mismatch and a large energy separation. As a consequence a narrow energy band is formed near the Fermi level. This ...
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Spintronic Transport in Armchair Graphene Nanoribbon with Ferromagnetic Electrodes: Half Metallic Properties
... that half-metallicity can be realized in a junction composed of non-magnetic armchair graphene nanoribbon (AGNR) and ferromagnetic Ni ...The half-metallic property originates from the AGNR energy gap ...
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Depth sensitive X ray diffraction as a probe of buried half metallic inclusions
... Introduction Half-metallic ferromagnetic (HMF) materials have high potential in hybrid semiconductor spin- tronic devices, especially if they can be grown in thin ...
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Half-Metallic Ferromagnetism in Double Perovskite Ca2CoMoO6 Compound : DFT + U Calculations
... augmented plane wave plus local orbitals (APW+lo) method, within the generalized gradient approximation (GGA-PBE) and GGA-PBE+U scheme. It is shown the stability of the monoclinic phase (P21/n #14) relative to tetragonal ...
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Physical Properties of CrSb/InP(001): Effect of Interface in Half Metallic
... using half metals (HM) instead of an ordi- nary metallic ferromagnet as a spin source is their ability to circumvent this obstacle and obtain efficient spin in- ...jection. Half-metallic ...
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First Principles Study of the New Half metallic Ferromagnetic Full Heusler Alloys Co2CrSi1 XGeX: An Ab initio Study
... We notice an overlap valence and conduction bands to the state spin-up, while the existence of electronic states at the Fermi level tells us about the nature of these metal alloys. The presence of electronic states is ...
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Characterisation of half metallic thin films using polarised neutron reflectometry
... A change in magnetism over the Verwey transition is a sign of a good quality film. MgO 400 is known to be a non-standard post-annealed sample, and changes are seen through all temperature variations. Table 7.4 compares ...
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Site specific magnetism of half metallic Mn2RuxGa thin films determined by x ray absorption spectroscopy
... studied using x-ray absorption and dichroism spectroscopy. There is evidence of half metallicity up to x = 0.7, and compensation of the Mn 4a and 4c moments in this range, leading to a zero-moment half ...
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Evidence for two band magnetotransport in half metallic chromium dioxide
... as a much larger number of less mobile electrons (n ⫽ 0.4 electrons/Cr 兲 . Between 50 and 100 K, the field at which the sign reversal occurs rapidly increases and a contribution from the anomalous Hall effect becomes ...
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Anomalous transport in half-metallic ferromagnetic CrO2
... The observations once more emphasize that it is difficult to find a clear physical meaning in the energy , which is often used for a phenomenological description of ρ(T) over the full temperature range between 2 and 300 ...
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Magnetocrystalline anisotropy and exchange probed by high field anomalous Hall effect in fully compensated half metallic Mn2RuxGa thin films
... In order to numerically obtain the temperature dependence in zero applied field a strong field of 60 T is used to set the direction of Mnet and then reduced to zero, so the sublattice mo[r] ...
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Designing a fully compensated half metallic ferrimagnet
... expect that it may become a cornerstone for future spintronics technology. By means of high-throughput calculations, we have shown that there are several competing phases in the Mn- Ru-Ga system, and that due to their ...
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Magnetoresistance and electrical hysteresis in stable half metallic (La0 7Sr0 3 MnO3 and Fe3O4 nanoconstrictions
... Point contacts of magnetite exhibit large, reversible increases of conductance by a factor of up to 5 in the presence of a small magnetic fields,10 mTd, provided the conductance is less [r] ...
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Magnetocrystalline anisotropy and exchange probed by high field anomalous Hall effect in fully compensated half metallic Mn2RuxGa thin films
... as expected for a half metal [29]. Pulsed field measurements in Fig. 2(c) show that, close to T comp , μ 0 H c exceeds 9 T and that MRG exhibits a spin-flop transition at higher fields, indicated in the figure by ...
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Electronic and Bonding Properties of Half-metallic PtMnSb and NiMnSb : First Principles Study
... bands are unoccupied. This is due to the strong exchange splitting of the Mn-d bands in the minority spin direction. Similar feature is observed in other ferromagnetic half-Heusler alloys also 10 . This splitting ...
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