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Journals

Molecular Ion Imaging and Dynamic Secondary Ion Mass Spectrometry Analysis of Organic Compounds

January 1, 1990

Author(s)

John G. Gillen, David S. Simons, P. Williams

An ion microscope equipped with a resistive anode encoder imaging system has been used to acquire molecular secondary ion images, with lateral resolutions on...

The Mathematics of Datums

January 1, 1990

Author(s)

Ted Hopp

Datums have been one of the most difficult problems the Group has dealt with. With the definition outlined, we feel we now have the problem under control. While...

Ohmic Contacts to High-T_c Superconductors

January 1, 1990

Author(s)

John (Jack) W. Ekin, John W. West

Determination of Methylbenzo[a]pyrene Isomers in a Coal Tar Standard Reference Material by using Liquid Chromatography and Shpol'skii Spectrometry

January 1, 1990

Author(s)

P. Garrigues, J. Bellocq, Stephen Wise

Electrical Fast Transient Tests: Applications and Limitations

January 1, 1990

Author(s)

Francois D. Martzloff, T. Leedy

Fundamental and Harmonic Susceptibilities of YBa₂Cu₃O_7-δ

January 1, 1990

Author(s)

Ronald B. Goldfarb, T Ishida

Magnetic Characteristics and Measurements of Filamentary Nb-Ti Wire for the Superconducting Super Collider

January 1, 1990

Author(s)

Ronald B. Goldfarb, R L. Spomer

Scanning Tunneling Microscopy Study of InSb(110)

January 1, 1990

Author(s)

L Whitman, Joseph A. Stroscio, Robert A. Dragoset, Robert Celotta

The (110) cleavage surface of InSb has been studied with scanning tunneling microscopy. A variety of surface defects has been observed, including those that...

Material Dependence of Electron Inelastic Mean Free Paths at Low Energies

January 1, 1990

Author(s)

Shigeo Tanuma, Cedric J. Powell, David R. Penn

We have calculated electron inelastic mean free paths (IMFPs) for 50-2000 eV electrons in 31 materials (27 elements and 4 compounds). We present and discuss in...

Quantum Fluctuations and the Single Junction Coulomb Blockade

January 1, 1990

Author(s)

S Girvin, L Glazman, M Jonson, David R. Penn, Mark D. Stiles

We investigate the effect of quantum flucuations on the Coulomb blockade in a single tunnel junction coupled to its environment by a transmission line of...

Surface, Interface and Thin-Film Magnetism

January 1, 1990

Author(s)

L Falicov, Daniel T. Pierce, S Bader, R Gronsky, K Hathaway, H Hopster, D Lambeth, S Parkin, G Prinz, M Salamon, Ivan K. Schuller, R Victora

A comprehensive review and state of the art in the field of surface, interface, and thin-film magnetism is presented. New growth techniques which produce...

Weak versus Strong Coupling Theory for Bi₂Sr₂CaCu₂O₈

January 1, 1990

Author(s)

Marvin Cohen, David R. Penn

The latest optical determination of the superconducting-gap function for Bi 2Sr 2CaCu 2O 8 is consistent with weak-coupling theory. In contrast, a large...

Versatile Scan Generator and Data Collector for Scanning Tunneling Microscopes

January 1, 1990

Author(s)

R D. Cutkosky

An instrument has been constructed for generating the complex scanning and data-collection sequences required for scanning tunneling microscopy. The instrument...

Correlations Between Magnetic Microstructure and Anisotropy with Noise Spectra for CoNi and CoCrTa Thin Film Media

January 1, 1990

Author(s)

M Scheinfein, John Unguris, Daniel T. Pierce, Robert Celotta

This paper reports on two thin film media alloys co 86Cr 12Ta 2 and Co 75Ni 25 whcih have very different noise characteristics. The magnetic microstructure of...

180° Surface Domain Wall Magnetization Profiles: Comparisons Between Scanning Electron Microscopy with Polarization Analysis Measurements, Magneto-Optic Kerr Microscopy Measurements and Micromagnetic Models

January 1, 1990

Author(s)

M Scheinfein, P J. Ryan, John Unguris, Daniel T. Pierce, Robert Celotta

We compare measurements of magnetization profiles across a 180° surface domain wall in a 0.24-υm-thick of Permalloy (Ni 81Fe 19), obtained with scanning...

High Spatial Resolution Quantitative Micromagnetics

January 1, 1990

Author(s)

M Scheinfein, John Unguris, Daniel T. Pierce, Robert Celotta

Magnetization profiles at surfaces are observed with scanning electron microscopy with polarization analysis (SEMPA). This technique allows for quantitative...

Magnetic-Field-Modulated Written Bits in TbFeCo Thin Films: Transmission Electron Microscopy Lorentz and Scanning Electron Microscopy with Polarization Analysis Studies

January 1, 1990

Author(s)

M Aeschlimann, M Scheinfein, John Unguris

Scanning Electron Microscopy With Polarization Analysis (SEMPA)

January 1, 1990

Author(s)

M Scheinfein, John Unguris, Michael H. Kelley, Daniel T. Pierce, Robert Celotta

This was an extended abstract prepared for inclusion in the Microscopy & Microanalysis '99 Proceedings. It is a summary of Observation of Antiparallel Magnetic...

Electron Inelastic Mean Free Paths in Solids at Low Energies

January 1, 1990

Author(s)

Shigeo Tanuma, Cedric J. Powell, David R. Penn

We have calculated electron inelastic mean free paths (IMFPs) for 50-200 eV electrons in 31 materials (27 elements and 4 compounds). These calculations extend...

Magnetic Susceptibility of Inconels 718, 625, and 600 at Cryogenic Temperatures

January 1, 1990

Author(s)

I B. Goldberg, M R. Mitchell, A R. Murphy, Ronald B. Goldfarb, R J. Loughran

AC Loss Measurements of Two Multifilamentary NbTi Composite Strands

January 1, 1990

Author(s)

E W. Collings, K R. Marken, Mark Su, Ronald B. Goldfarb, R J. Loughran

Break Junction Tunneling Spectroscopy of Single-Crystal Bismuth-Based High-Temperature Superconductors

January 1, 1990

Author(s)

John M. Moreland, C K. Chiang, L Swartzendruber

Possible Proximity Matrix Route to High Current Conductors

January 1, 1990

Author(s)

John M. Moreland, Y K. Li, John (Jack) W. Ekin, Loren F. Goodrich

Storing Art Images in Intelligent Computers

January 1, 1990

Author(s)

Russell A. Kirsch, J Kirsch

Any reproduction of a visual artwork creates a representation that fails to capture some properties of the original. Since most art is not sufficiently portable...