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  • 1
    Electronic Resource
    Electronic Resource
    Observation of initial states in photoemission from UTe
    Amsterdam : Elsevier
    Physics Letters A 83 (1981), S. 449-450 
    Details
    ISSN: 0375-9601
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0375-9601(81)90477-1
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  • 2
    Electronic Resource
    Electronic Resource
    An inverse transition of magnetic domain patterns in ultrathin films (2003)
    [s.l.] : Macmillian Magazines Ltd.
    Nature 422 (2003), S. 701-704 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Inverse freezing and inverse melting are processes where a more symmetric phase is found at lower temperatures than at higher temperatures. Such inverse transitions are very rare. Here we report the existence of an inverse transition effect in ultrathin Fe films that are magnetized ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/nature01538
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  • 3
    Electronic Resource
    Electronic Resource
    Ultrafast generation of magnetic fields in a Schottky diode (2001)
    [s.l.] : Macmillian Magazines Ltd.
    Nature 414 (2001), S. 51-54 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] For the development of future magnetic data storage technologies, the ultrafast generation of local magnetic fields is essential. Subnanosecond excitation of the magnetic state has so far been achieved by launching current pulses into micro-coils and micro-striplines and by using high-energy ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/35102026
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  • 4
    Electronic Resource
    Electronic Resource
    Applied physics Speed limit ahead (2004)
    [s.l.] : Nature Publishing Group
    Nature 428 (2004), S. 808-809 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In magnetic recording, information ‘bits’ are stored in regions of a magnetic material as opposite magnetizations or spins, corresponding to the values ‘1’ and ‘0’. High information density is a major requirement, but even the highest density is useless if the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/428808a
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  • 5
    Electronic Resource
    Electronic Resource
    Quantum oscillations in a confined electron gas (1997)
    [s.l.] : Macmillan Magazines Ltd.
    Nature 389 (1997), S. 937-939 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] When metals are structured on nanometre length scales, their electrons are subject to confinement effects: the response of a confined electron gas is governed by Friedel oscillations of the electron density and Rudermann–Kittel–Kasuya–Yosida oscillations of the spin density. ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/40081
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  • 6
    Electronic Resource
    Electronic Resource
    An ultrahigh vacuum scanning Kerr microscope (1997)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 68 (1997), S. 2800-2804 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: A new ultrahigh vacuum instrument allowing in situ Kerr microscopy and scanning tunneling microscopy is described. The Kerr microscope has a spatial resolution of about 1 μm. First experimental results are reported on the magnetism of a 5 μm wide stripe consisting of six atomic layers of Fe grown in situ by molecular beam epitaxy on a W(110) surface. © 1997 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1148198
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  • 7
    Electronic Resource
    Electronic Resource
    Phase transition in ultrathin magnetic dots (2000)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 87 (2000), S. 5099-5101 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We have measured the magnetization of in-plane magnetized ultrathin magnetic dots of Co on Cu(100) as a function of temperature and applied field by scanning Kerr microscopy. Co dots with lateral sizes down to 4 μm and a thickness of 1.8 atomic layers show a sharp magnetic phase transition which is indistinguishable from the one of extended films. The scaling plot suggests that these small particles belong to the Ising universality class. © 2000 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.373261
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  • 8
    Electronic Resource
    Electronic Resource
    Ultrathin magnetic particles (1999)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 85 (1999), S. 6166-6168 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We have fabricated ultrathin Co particles with various shapes, variable thicknesses δ (2 ML〈δ〈22 ML), and lateral size L ranging from 100 μm to (approximate)100 nm. We find that all particles are magnetized in-plane at room temperature and are in a single domain state, independently of shape and size—with some remarkable exceptions. We also find that the magnetic state of a particle can be manipulated without influencing the state of the neighbors. © 1999 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.370031
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  • 9
    Electronic Resource
    Electronic Resource
    Spin-dependent electron interferometry (2000)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 87 (2000), S. 7142-7143 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We use interference of electron waves in a quantum well to switch the spin polarization of electrons. The spin quantum resonator consists of a Cu-film of variable thickness sandwiched between vacuum and a magnetic Co-film. Electrons are injected into the resonator from the vacuum side. The Co-film provides a spin dependent reflector. Varying the resonator thickness results in periodic modulation of the spin polarization of the incoming electrons. We use spin interferometry to measure the divergence of the period of interlayer exchange coupling upon approaching a zone boundary. We propose that interferometric spin selection should be observable in spin polarized scanning tunneling spectroscopy. © 2000 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.372957
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  • 10
    Electronic Resource
    Electronic Resource
    Magnetic properties of thin fcc iron films on Cu(001) (invited) (1988)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 64 (1988), S. 5321-5324 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Thin epitaxial iron overlayers and sandwiches on Cu(001) have been investigated by spin-polarized photoemission. The magnetization was measured as a function of perpendicularly applied field and temperature. Up to 14 monolayers (ML) of iron grow epitaxially on Cu(001) in the fcc phase and are ferromagnetic. At 30 K a remanence magnetization perpendicular to the plane of the film is observed for both the Fe/Cu(001) and the Cu/Fe/Cu(001) systems with Fe layers thicker than 2 ML. The coercive field, measured as function of temperature for a 10-ML Fe film, decreases rapidly from 2.7 kOe at 30 K to about 50 Oe at 200 K. The Curie temperature is 300 K for films thicker than 8 ML and increases for thinner films up to 500 K. The transition from fcc to bcc iron occurs at 15 ML. It is recognized by a jump of the Curie temperature to 1000 K and by the disappearance of the remanence magnetization at 30 K. Simultaneous evaporation of Fe and Cu at various rates also results in epitaxial overlayers with characteristic magnetic features. The fcc Fe films are suitable for thermomagnetic recording. Writing and reading has been carried out by a UV excimer laser. Reading was performed by analyzing the sign of the spin polarization of the photoelectrons.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.342405
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