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Search Publications by: Joseph A Stroscio (Fed)

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Displaying 126 - 150 of 176

Coarsening of Unstable Surface Features During Fe(001) Homoepitaxy

January 1, 1995
Author(s)
Joseph A. Stroscio, Daniel T. Pierce, Mark D. Stiles, A Zangwill, L Sander
The evolution of the surface profile during homoepitaxial growth of Fe(001) is studied by scanning tunnelling microscopy and reflection high energy electron diffraction. The observed morphology exhibits a non-self affine collection of mound-like features

Tunneling Spectroscopy of bcc(001) Surface States

January 1, 1995
Author(s)
Joseph A. Stroscio, Daniel T. Pierce, Angela Davies, Robert Celotta
We have discovered an intense, sharp feature in tunneling spectra of the Fe(001) and Cr(001) surfaces that derives from a bce surface state near the Fermi level. Band-structure calculations show that this state is a general feature of bcc (001) surfaces

Influence of Cr Growth on Exchange Coupling in Fe/Cr/Fe(100)

January 1, 1994
Author(s)
Daniel T. Pierce, Joseph A. Stroscio, John Unguris, Robert Celotta
Scanning electron microscopy with polarization-analysis (SEMPA) measurements of the dependence of the oscillations of the exchange coupling in Fe/Cr/Fe(100) structures on the Cr growth temperature are correlated with the thickness fluctuations in Cr films

Scaling of Diffusion-Mediated Island Growth in Iron on Iron Homoepitaxy

January 1, 1994
Author(s)
Joseph A. Stroscio, Daniel T. Pierce
An analysis of the island size and separation distributions of Fe islands, observed in the initial stages of growth in the homoepitaxy of Fe on Fe(001) whiskers, shows scaling properties recently predicted in nucleation and growth theories. A critical size

The Growth of Iron on Iron Whiskers

January 1, 1994
Author(s)
Joseph A. Stroscio, Daniel T. Pierce
Real space views of the homoepitaxial growth of Fe on Fe(001) whiskers is reported, observed by scanning tunneling microscopy (STM), during the initial stages of growth. Scaling of the Fe island sizes and separation distributions are observed as a function

Atomic Manipulation of Polarizable Atoms by Electric Field Directional Diffusion

January 1, 1992
Author(s)
Joseph A. Stroscio, L Whitman, Robert A. Dragoset, Robert Celotta
We present a brief summary of the properties of alkali metals on III-V(110) surfaces, as studied with the scanning tunneling microscope (STM). These include the non-metallic properties found in the one- and two-dimensional phases, and the directional

Microscopic Aspects of the Initial Growth of Metastable fcc Iron on the Au(111)

January 1, 1992
Author(s)
Joseph A. Stroscio, Daniel T. Pierce, Robert A. Dragoset, P First
We report on the microscopic aspects of the growth of Fe on the Au(111) surface observed with scanning tunneling microscopy. Nucleation of triangular Fe islands is observed to occur at the corners of the herringbone reconstruction of the Au(111) surface