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Mn 3 Ga Mn 2 MnGa Two magnetic sublattice •24 Valence electrons – 0 μ B •Mn at tetrahedral site – 4 μ B ⇒Compensated ferrimagnet
Balke et al. APL 90 (2007) 152504 Spin torque transfer application Mn 2 MnGa •Compensated ferrimagnet: 1μ B •Theoretical Spinpolarisation: 88% •Energy product: 52.5 kJ m -3 at 5K •Curie temperature: 730 K •Tetragonal
Page 1 and 2: Spintronics Summer school SFB 491 C
Page 3 and 4: Spintronics P. Ball, Nature 404 (20
Page 5 and 6: Spin-electronics Spin + Charge = Sp
Page 7 and 8: Colossal Magnetoresistance: CMR La
Page 9 and 10: Half metallic Ferromagnet Normal Me
Page 11 and 12: Tunnel Magnetoresistance: TMR A ⇒
Page 13 and 14: Content • Concept • Materials
Page 15 and 16: How to Design Halfmetallic Ferromag
Page 17 and 18: Definition Half metals (Coey) Type
Page 19 and 20: Structure Si () M X auf 0 ¼¼¼ 0
Page 21 and 22: Design of a Semiconductor Valence e
Page 23 and 24: Heusler Compound Co 2 CrAl TM auf 0
Page 25 and 26: Design of half metallic ferromagnet
Page 27 and 28: NiMnSb - Half Heusler
Page 29 and 30: Rational Design of New Materials XY
Page 31 and 32: Heusler Compounds: ~500
Page 33 and 34: Heusler Compounds: ~500 Co 2 CrAl:
Page 35 and 36: Rational Design Half metallicity Hi
Page 37 and 38: Heusler Compounds: ~500 Co 2 FeAl:
Page 39 and 40: Co 2 FeSi: Determination of Saturat
Page 41 and 42: Curie Temperatures Curie Temperatur
Page 43 and 44: 200 Higher TMR using MgO Barrier Mg
Page 45 and 46: TMR at Room Temperature Co 2 MnSi/A
Page 47: Half Heusler Compounds: ~250 Mn 2 M
Page 51 and 52: Content • Concept • Materials
Page 53 and 54: Covalent: MgAgAs and InAs The half-
Page 55 and 56: 8-Electron Half-Heusler Compounds S
Page 57 and 58: Half Heusler Compounds: ~250 CoTiSb
Page 59 and 60: XCoSb Design of a magnetic Semicond
Page 61 and 62: Spin injection into semiconductor F
Page 63 and 64: For Spin Injection XMCD-Investigati
Page 65 and 66: Stuffed Wurtzites: ZnS hexagonal se
Page 67 and 68: Half-Heusler - LiGaGe-Type Semicond
Page 69 and 70: Synthesis computational design stru
Page 71 and 72: Methods: Sample Preparation Cutting
Page 73 and 74: Heusler and the Periodic Table
Page 75 and 76: EXAFS Investigation Fe spectra Shor
Page 77 and 78: Mößbauer Characterisation Co 2 Cr
Page 79 and 80: New High Energy Spectrometer in Mai
Page 81 and 82: Tuning the Fermi Energy Kandpal et
Page 83 and 84: HAXPES: Thin films Electron mean fr
Page 85 and 86: 1905 1983 2001 Functions of Heusler
Page 87 and 88: Heusler Compounds: ~500 Ni 2 ZrGa:2
Page 89 and 90: Multiferroic Materials: Co 2 XY and
Page 91: X 2 YZ XYXZ

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