Title: ????????MO??????????????
1????????MO?????????????? ????????????????
??????????
CRL
3. Results and Discussion
1. Introduction
????(BiPrLu)3Fe5O12??(BiLu)3Fe5O12??????????
????(MO)?????????????????????????????????????????
??????????????????????????????????????????????????
??????????????????????????????????????????????????
??????????????????????????????????????????????????
??????????????????????????????????????????????????
????????????
1-1 ??????
3-1 (BiPrLu)3Fe5O12 ??????????????Pr?????
H //
H?
H // plane
H?plane
Pr0
Pr0.4
4pM / kGauss
4pM / kGauss
dI/dH / a.u.
dI/dH / a.u.
Pr1
?????????????????
H / kOe
H / kOe
H / kOe
H / kOe
(BiPrLu)3Fe5O12?????
(BiPrLu)3Fe5O12?FMR??
Pr??????????????????????????
??????????1.8kOe?????????
????????
???????????
????????????????? ? ????????????????????
????????
dI/dH / a.u.
1-2 ???????????
??????????????????? ?????????????
H / kOe
FMR?????
3-2 (BiLu)3Fe5O12 ?????????????????
H //
H?
H // plane
H?plane
(111)
(100)
4pM / kGauss
4pM / kGauss
dI/dH / a.u.
dI/dH / a.u.
(111) (100) (110)
? ?????????????????????
(110)
H / kOe
H / kOe
H / kOe
H / kOe
(BiLu)3Fe5O12?????
(BiLu)3Fe5O12?FMR??
(110)?????????????????? ?????????????????????
2kOe?????????
?????????????????
5GHz 691Oe
???????
?? ????????????????????????
2. Experimental
11GHz 2563Oe
?????????(LPE?)
????
???????????? ?????? ?????????????????
????? PbO-B2O3-Bi2O3? ?? (CaGd)3(ZrMgGa)5O12
SGGG(111) Gd3Ga5O12GGG(111),(100),(110)
????? (BiPrLu)3Fe5O12 (BiLu)3Fe5O12
4. Conclusion
(BiLu)3Fe5O12???????????????????????
(BiLu)3Fe5O12?????(110)??????????????????????????
?????? (110)????????20GHz???????????????
(110)????????????????????????1/3???
??????????????????????????
????
XRD,IR,EDS,VSM,FMR
Nagoya Institute of Technology Ceramics Research
Laboratory