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  • 2000-2004  (1)
  • 1995-1999  (6)
  • 1950-1954  (6)
  • 1945-1949  (4)
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  • 1
    Electronic Resource
    Electronic Resource
    Increased exchange anisotropy due to disorder at permalloy/CoO interfaces (1995)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 78 (1995), S. 1887-1891 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The exchange anisotropy of Ni80Fe20 (permalloy) films deposited onto bulk single crystal CoO substrates using molecular-beam epitaxy is strongly affected by the interface structure. Contrary to expectations for uncompensated interfaces, the loop shift increases for samples with greater interface disorder. The results are discussed in the light of proposed exchange anisotropy models. The results suggest that antiferromagnet domain dynamics are an important part of the exchange anisotropy mechanism. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.360225
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    A simple electron cyclotron resonance ion source (abstract)a) : Proceedings of the 6th international conference on ion sources (1996)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 67 (1996), S. 1216-1216 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: A simple, all permanent magnet, 2.45 GHz electron cyclotron resonance ion source has been developed for the production of stable beams of low charge state ions from gaseous feed materials. The source can produce ∼1 mA of low energy (3 kV) singly charged ion current in the 10−4 Torr pressure range. The source can also be operated in a more efficient low-pressure mode at an order of magnitude lower pressure. In this latter range, for example, the ionization efficiency of Ar is estimated to be 1% with charge states up to Ar8+ present. Operation in the low-pressure mode requires low power input (∼20 W). These features make the source especially suited for use with small accelerator systems for a number of applications including ion implantation, mass spectrometry, and atomic collision experiments where multiply charged ions are desirable. Design details and performance characteristics of the source are presented. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1147237
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    A simple electron cyclotron resonance ion sourcea) (1996)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 67 (1996), S. 1634-1637 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: A simple, all permanent magnet, 2.45 GHz electron cyclotron resonance ion source has been developed for the production of stable beams of low charge state ions from gaseous feed materials. The source can produce ∼1 mA of low energy (3 kV) singly charged ion current in the 10−4 Torr pressure range. The source can also be operated in a more efficient low-pressure mode at an order of magnitude lower pressure. In this latter range, for example, the ionization efficiency of Ar is estimated to be 1% with charge states up to Ar8+ present. Operation in the low-pressure mode requires low power input (∼20 W). These features make the source especially suited for use with small accelerator systems for a number of applications including ion implantation, mass spectrometry, and atomic collision experiments where multiply charged ions are desirable. Design details and performance characteristics of the source are presented. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1146906
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Perpendicular coupling at Fe–FeF2 interfaces (1998)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 72 (1998), S. 617-619 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We have studied the exchange anisotropy of ferromagnetic Fe films grown on antiferromagnetic FeF2 single crystals. The behavior of the hysteresis loops of the Fe above and below the Néel temperature TN of FeF2 indicates a 90° rotation of the ferromagnetic easy axis due to the antiferromagnetic ordering. By examining the Fe hysteresis loops together with the FeF2 susceptibility behavior we infer that below TN the ferromagnetic and antiferromagnetic spins are coupled perpendicular to each other. This behavior can be explained by recent micromagnetic calculations on exchange bias systems, or by magnetoelastic effects. © 1998 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.120823
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  • 5
    Electronic Resource
    Electronic Resource
    Large exchange bias and its connection to interface structure in FeF2–Fe bilayers (1996)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 68 (1996), S. 3186-3188 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Large exchange bias effects (ΔE∼1.1 erg/cm2) were observed in antiferromagnetic (FeF2)–ferromagnetic (Fe) bilayers grown on MgO. The FeF2 grows along the spin-compensated (110) direction. The FeF2–Fe interface roughness was characterized using specular and diffuse x-ray diffraction and atomic force microscopy. The magnitude of the exchange bias field HE increases as the interface roughness decreases. These results imply that magnetic domain creation in the antiferromagnet plays an important role. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.115819
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  • 6
    Electronic Resource
    Electronic Resource
    Nutrients in British-Grown and Imported Wheat (1946)
    [s.l.] : Nature Publishing Group
    Nature 157 (1946), S. 643-646 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SOME GENERAL CONSIDERATIONS BRITISH-GROWN" wheat, though very suitable for biscuit and some confectionery flours, is relatively poor in baking quality and generally unsuitable for the milling of bread-making flour, except when blended with at least an equal amount of 'strong' imported wheat, of ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/157643a0
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Nutrients in Wheat Endosperm (1945)
    [s.l.] : Nature Publishing Group
    Nature 155 (1945), S. 205-206 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] RECENT work1–4 has added considerably to our knowledge of the distribution of nutrients, particularly the B vitamins, in the wheat grain. The scutellum portion of the germ is the main deposit of vitamin B1, while the bran is rich in nicotinic acid and iron. Riboflavin ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/155205b0
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    Isolation of Methoxy- and 2 : 6-Dimethoxy- p -benzoquinone from Fermented Wheat Germ (1952)
    [s.l.] : Nature Publishing Group
    Nature 169 (1952), S. 966-967 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In December last, Dr. E. W. Hullett, director of the Wheat Research Institute, New Zealand, was in England, and directed the attention of one of us (T. M.) to this paper by Vuataz and the light it threw on his own earlier work. As a result, following a discussion with Dr. Hullett and Dr. E. ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/169966b0
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  • 9
    Electronic Resource
    Electronic Resource
    Location and Destruction of Lipase in Oats (1951)
    [s.l.] : Nature Publishing Group
    Nature 167 (1951), S. 758-759 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] DURING the past four years, in a survey of the quality of British oats, we have analysed more than a thousand samples. In the case of the oil content, this has been found to vary between 4.5 and 11 per cent by weight of the dry matter of the kernel. The oil was extracted by petroleum ether and ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/167758a0
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  • 10
    Electronic Resource
    Electronic Resource
    Toxic Factor from ‘Agenized’ Proteins: Methionine as the Essential Reactant (1950)
    [s.l.] : Nature Publishing Group
    Nature 165 (1950), S. 150-151 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The analytical results so far obtained on material from several different isolations agree most closely with an empirical formula CrHNaSOg (found, C, 33-8, 34-2; H, 6-7, 6-4; N, 15-6, 15-4; S, 17-3, 17-3; CH12N2SO3 requires C, 33-3; H, 6-7; N, 15-6; S, 17-8 per cent). Molecular weight by the method ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/165150a0
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