P29

Cr2O3
(ME)
ME
Dzyaloshinsky Moriya(DM)
DM
ME
Cr2O3
Cr2O3
Cr2O3
ME
RF
(111) Nb:SrTiO3
c-Al2O3
o
c-Al2O3
1000 C 2.5 h
10
Cr2O3
o
530 C
Ar:O2 =
32:1
o
C /sec
RF-power
1.3 Pa
60 W
32 nm
RHEED
X
(XRD)
RHEED
Fig.1
XRD
Cr2O3
(aCr2O3:4.95204Å)
4.9045 Å (Cr2O3/c-Al2O3)
(Cr2O3/SrTiO3)
Cr2O3
Cr2O3/c-Al2O3
Cr2O3
Intensity(cps)
CR/AL
CR/STO
105
103
101
10-1
64
66
ME
a
c
ME
68
(degree)
70
Fig.1 Grazing incident in-plane XRD patterns of
the samples (Cr2O3/c-Al2O3 and Cr2O3/SrTiO3)
Magnetization (emu/cm3)
c
107
4.9367 Å
Cr2O3/c-Al2O3
Fig.2
400
CR/AL
CR/STO
200
0
-200
-400
-2.0
-1.0
0.0
1.0
a
2.0
Applied Magnetic Field (kOe)
Fig.2 In-plane magnetization curves of
the samples

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