MBE Growth of Artificially-Layered Magnetic Metal Structures

1995 ◽  
pp. 623-668
Author(s):  
Robin F.C. Farrow ◽  
Ronald F. Marks ◽  
Gerald R. Harp ◽  
Dieter Weller ◽  
Thomas A. Rabedeau ◽  
...  
1993 ◽  
Vol 11 (4) ◽  
pp. 155-189 ◽  
Author(s):  
R.F.C. Farrow ◽  
R.F. Marks ◽  
G.R. Harp ◽  
D. Weller ◽  
T.A. Rabedeau ◽  
...  

1990 ◽  
Vol 187 ◽  
Author(s):  
R.F.C. Farrow ◽  
C.H. Lee

AbstractIn this review, recent developments in MBE growth of artificially-layered magnetic metal structures on semiconductor substrates are considered. It is seen that the ability to seed specific orientations of such structures and to probe their structural and chemical properties with a variety of in situ probes are key advantages of MBE over more conventional deposition techniques.


1999 ◽  
Vol 201-202 ◽  
pp. 698-701 ◽  
Author(s):  
W. Van Roy ◽  
H. Akinaga ◽  
S. Miyanishi

2020 ◽  
Vol 65 (10) ◽  
pp. 939
Author(s):  
V. Yu. Malyshev ◽  
I. V. Zavislyak ◽  
G. A. Melkov ◽  
M. O. Popov ◽  
O. V. Prokopenko

A possibility for surface magnon–plasmon–polaritons (SMPPs)–coupled microwave oscillations of magnetization, electron density, and electromagnetic field–to exist in real ferromagnetic metal–insulator–ideal non-magnetic metal structures has been analyzed theoretically. The developed theory predicts that the effective formation of SMPPs is possible only at certain values of the external dc magnetic field and must be accompanied by a shift in the characteristic frequency of the resonance plasmon-polariton systems. A theoretical estimation of the frequency shift for SMPPs in the structure “surface electromagnetic wave resonator made of permalloy–vacuum–ideal metal” gives a value of ±45 MHz for a resonator with a characteristic frequency of 10 GHz, which seems sufficient for this effect to be observed experimentally.


1993 ◽  
Vol 133 (1-2) ◽  
pp. 47-58 ◽  
Author(s):  
R.F.C. Farrow ◽  
G.R. Harp ◽  
R.F. Marks ◽  
T.A. Rabedeau ◽  
M.F. Toney ◽  
...  

Author(s):  
R. Rajesh ◽  
R. Droopad ◽  
C. H. Kuo ◽  
R. W. Carpenter ◽  
G. N. Maracas

Knowledge of material pseudodielectric functions at MBE growth temperatures is essential for achieving in-situ, real time growth control. This allows us to accurately monitor and control thicknesses of the layers during growth. Undesired effusion cell temperature fluctuations during growth can thus be compensated for in real-time by spectroscopic ellipsometry. The accuracy in determining pseudodielectric functions is increased if one does not require applying a structure model to correct for the presence of an unknown surface layer such as a native oxide. Performing these measurements in an MBE reactor on as-grown material gives us this advantage. Thus, a simple three phase model (vacuum/thin film/substrate) can be used to obtain thin film data without uncertainties arising from a surface oxide layer of unknown composition and temperature dependence.In this study, we obtain the pseudodielectric functions of MBE-grown AlAs from growth temperature (650°C) to room temperature (30°C). The profile of the wavelength-dependent function from the ellipsometry data indicated a rough surface after growth of 0.5 μm of AlAs at a substrate temperature of 600°C, which is typical for MBE-growth of GaAs.


Author(s):  
C. Vannuffel ◽  
C. Schiller ◽  
J. P. Chevalier

Recently, interest has focused on the epitaxy of GaAs on Si as a promising material for electronic applications, potentially for integration of optoelectronic devices on silicon wafers. The essential problem concerns the 4% misfit between the two materials, and this must be accommodated by a network of interfacial dislocations with the lowest number of threading dislocations. It is thus important to understand the detailed mechanism of the formation of this network, in order to eventually reduce the dislocation density at the top of the layers.MOVPE growth is carried out on slightly misoriented, (3.5°) from (001) towards , Si substrates. Here we report on the effect of this misorientation on the interfacial defects, at a very early stage of growth. Only the first stage, of the well-known two step growth process, is thus considered. Previously, we showed that full substrate coverage occured for GaAs thicknesses of 5 nm in contrast to MBE growth, where substantially greater thicknesses are required.


1998 ◽  
Vol 184-185 (1-2) ◽  
pp. 66-69 ◽  
Author(s):  
K Takahashi
Keyword(s):  

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