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Growth of FexNi1−x ultrathin films on Cu(100) near the invar concentration : The 41st annual conference on magnetism and magnetic materials (1997)

Schumann, F. O. ; Wu, S. Z. ; Willis, R. F.

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

Journal of Applied Physics 81 (1997), S. 3898-3900

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ISSN: 1089-7550

Source: AIP Digital Archive

Topics: Physics

Notes: We have grown ultrathin FexNi1−x films epitaxially on Cu(100) with different stoichiometry. Previous measurements showed a deviation of the thickness dependence of Tc for a Fe75Ni25 alloy, which was not observed for smaller Fe concentrations. Therefore, we investigated the growth near this invar concentration more closely. With a charge coupled device camera based acquisition system, we observed the evolution of the reflection high-energy electron diffraction pattern during growth near the invar concentration. This allows us to determine the in-plane lattice constant of the top layer. Up to 66% Fe content, we see in-plane lattice constant oscillations similar to the Co/Cu(100) system [Fassbender et al., Phys. Rev. Lett. 75, 4476 (1995)]. At 80% Fe content, these oscillations are suppressed and we observe also a lattice contraction as expected from recent calculations. We discuss these results in connection with our previous results on the magnetic properties of FexNi1−x ultrathin films. © 1997 American Institute of Physics.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.365063

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Radiological and orthopedic abnormalities in Satoyoshi syndrome (1997)

Haymon, M.-L. ; Willis, R. B. ; Ehlayel, M. S. ; [et al.]

Springer

Pediatric radiology 27 (1997), S. 415-418

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ISSN: 1432-1998

Source: Springer Online Journal Archives 1860-2000

Topics: Medicine

Notes: Abstract Satoyoshi syndrome is a rare disorder of unknown etiology characterized by progressive, painful intermittent muscle spasms, severe skeletal abnormalities mimicking a skeletal dysplasia, malabsorption, alopecia, and amenorrhea. We further report on a 201/2-year-old Caucasian woman with characteristic manifestations of the syndrome. Since the establishment of the diagnosis 1 year ago, she has been treated with prednisone with good response. However, treatment of the multiple deformities and fractures has been difficult and challenging. The early recognition and treatment of this disorder is of utmost importance, as the skeletal deformities and fractures seem to be secondary to the muscular spasms, as suggested by Satoyoshi.