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Magnetic behavior and morphology of evaporated Fe/Mo multilayered thin films (abstract) : 37th Annual conference on magnetism and magnetic materials (1993)

Anderson, E. C. ; Stearns, M. B.

[S.l.] : American Institute of Physics (AIP)

Journal of Applied Physics 73 (1993), S. 5985-5985

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ISSN: 1089-7550

Source: AIP Digital Archive

Topics: Physics

Notes: Fe/Mo multilayered thin films were grown on oxidized Si substrates by UHV e-beam evaporation. Both magnetic and structural results obtained from SQUID magnetometry, magnetoresistance (MR), small-angle x-ray scattering, large-angle x-ray scattering, and cross-sectional high-resolution electron microscopy are reported. Fe (30 A(ring))/Mo films with Mo thickness ranging from 7 to 25 A(ring) display oscillatory interlayer magnetic coupling. The maximum low-temperature negative MR is 2% for 11 A(ring) Mo layer thickness, while the minimum MR is 0.1% for 16 A(ring) Mo layer thickness. A series of Fe (30 A(ring))/Mo (11 A(ring)) films were grown at substrate temperatures (Ts) ranging from 150 to 475 K. Films grown at low Ts exhibit decreased coherence length and increased layer roughness, but only moderately reduced saturation field (Hs) and MR. Films grown at high Ts exhibit increased coherence length, increased interface thickness, and greatly reduced Hs and MR. Structural models for these films will be presented and correlated with magnetization and MR results.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.353492

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A reference architecture for telecommunications operations applications (1993)

Anderson, E. C. ; Natarajan, N.

Springer

Journal of network and systems management 1 (1993), S. 255-279

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ISSN: 1573-7705

Keywords: Application interoperability ; building block ; contract ; distributed operations applications ; distributed processing environment ; element management ; network management ; network operations

Source: Springer Online Journal Archives 1860-2000

Topics: Computer Science

Notes: Abstract The emerging multi-layer functional model for network operations decomposes management functions into several layers:Service Management Layer, Network Management Layer, Element Management Layer, andElement Layer. To realize the full benefits of this functional distribution, a reference architecture for operations applications is needed. This architecture should enable flexible placement of functions in computing systems or nodes, enable hiding of the complexities of distribution from applications, and prescribe principles for the specification of application interfaces to facilitate application interoperability. This paper describes such a framework architecture. In this framework, applications are deployed in software units calledbuilding blocks, each of which is independently installed and administered. Building blocks interact via interfaces calledcontracts. A contract is an “open” interface that is specified according to some principles, such as adherence to standard communication paradigms, separation of engineering aspects from functional aspects, and support for previous interface versions. The infrastructure, called theDistributed Processing Environment (DPE), provides communication and security services that enable building blocks to interact via contracts. The DPE provides access and location transparency to applications. The paper presents details of this architecture framework and an example to illustrate specification of contracts for network management functions.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF01036915

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