 !

9B<.'(X&$ E&$,
$

X



S=E%H

H


$

C5A:?/D

E = (h/ l)2/(2m)E = hc/ l

1 Å → 12.4 keV

1 Å→ 81.79 meV

hE;=@2 &cE &mE&$07>1B E *" l ,+#
68.+-07>1B43B>)

E = (h/ l)2/(2m)0.025 Å ← 200keV,!

&5:70-.$
X,

,((X( E/

S=E+HH;29681<(E = hc/ l1 Å → 12.4 keV*

E = (h/ l)2/(2m)1 Å→ 81.79 meV

E = (h/ l)2/(2m)0.025 Å ← 200keV($"

$",)/$"('/!

#/!

34$/%

$/!

!

8[lbK$?E6(,4m9>9n
Pt>Pd+
3 d 7+9 M
mMn>Fe>CuHGn)9
mPt-Mn>Pd-Cu-Fen
Snm9Sn>

Snn

XeSVMUPH6'5+NjZl9mFe-Ni, Fe-Cu-Nin
/BH?9k0
\^fRj
dg_fj
cTgLajHG+YiQjoBr>Cl>I4m-<n-<m-<nSPilSWhYilS
ePWlS`gWlS
HG#2+9oPb>SnHGk0.
^i]SONW:;
mCH3NH3SnI3HGn=

I:;

H4I6K(,B>DI4@*C%H"!3K"1CJAFK&C  #"

1-3 3 Cu-Pd 3 Cu-Pd ,'20-1
[8]Cu-Pd ,3.%
'2CsCl(4&Fig.1-8  CsCl'2

6#/5

fcc '2Cu3Au$8)7!

[7] * Fig.1-7 +'2Cu3Au (4&.%'2Cu3Au fcc '2'2+ fcc

Fig.1-79Cu-Pd ,* CsCl*bcc!
+!

)%'&($              Cs "Cu3Au                               Fig.1-89CsCl CsClCl "'2 [1]    .

Fe  

γ- Fe

fcc
910℃

α- Fe
γ- Fe910℃fccbccFeCu-Pdbcc
--!J-PARC MLFBL19    #1000℃" ~3g11(cm.0/0' 1bulk)"',*+ #"+1&!+%$' )#-$2  
61352' 20' 0××××

Fe 2 at.%Fe 5 at.%Fe 10 at.%×× ×× ×fcc-CsCl  
Fe!CsCl #""Tc:

× Cu-Fe-Pd
× reference(Cu-Pd)Phase:
fcc+ CsCl-type
Cu3Au

%&!a + b -b-Sn; '$#)*(b→a! ,b-%&a-%&!"&$β→α '!4 ,/0αSn # 4$"
99.999%α-Snβ-Snseed
β-Sn40Seed(InSb #)2%+- 233K01cm
$,.α-Sn5;789

α-Sn4*,/


6:=;<< '!2) 4
"33(1,&5:70-.$
X,

,(/(( E

S=E+HH;29681<(E = hc/ l

1 Å → 12.4 keV*

E = (h/ l)2/(2m)1 Å→ 81.79 meV

E = (h/ l)2/(2m)0.027 Å ← 200keV($"

$",)/$"('/!

#/!

34$/%

$/!

!



a-Sna-Sn

(0.4 e/Å3)
0.1 e/Å3α-SnGe, InSbGe α-Sn InSb →  
α-Sn(110) Sb

In

Geα-Sn

InSb

000

111
444

 

&5:70-.$
X,

,(/(( E

S=E+HH;29681<(E = hc/ l

1 Å → 12.4 keV*

E = (h/ l)2/(2m)1 Å→ 81.79 meV

E = (h/ l)2/(2m)0.027 Å ← 200keV($"$",)/$"('/!

#/!

34$/%

$/!
≈!

 β-Sn"(a) G-H-M(b) G-X-G

 
 !%' &(  β-Sn"-*,1. #1)!%'$&( -*,1.
1)B.Wehinger et al.:J. Phys. Condens. Matter. 26(2014)115401.

β-Sn"./0)1+21

;LB.%'


M
$ N

K



M#N

Pt$Pd+
3 d 
M
MMn$Fe$Cu*)N


<>F5J
DG?FJ
C7G0AJ*)+
9I4JOBr$Cl$I

#M#N
63IL6
8H9IL6
E38L6@G8L6*)

 
MPt-Mn$Pd-Cu-Fe*)N
1J:L
MFe-Ni, Fe-Cu-Ni*)N

Sn,/(+OPb$Sn*)
K
>I=6218!"
MCH3NH3SnI3*)N

$-&
*+.

&5:70-.$
X,

,(/(( E

S=E+HH;29681<(E = hc/ l

1 Å → 12.4 keV*

E = (h/ l)2/(2m)1 Å→ 81.79 meV

E = (h/ l)2/(2m)0.027 Å ← 200keV($"

$",)/$"('/!

#/!

34$/%

$/!

!%;>A=?<875:')

ACH3NH3SnX3AX

/1,-24+CH3NH3SnI30".)0.5 e A-3SnINCH")CH3NH3BH

796@A*&/) (A&/



NIC
$0!30

!/#&5:70-.$
X,

,(/(( E

S=E+HH;29681<(E = hc/ l

1 Å → 12.4 keV*

E = (h/ l)2/(2m)1 Å→ 81.79 meV

E = (h/ l)2/(2m)0.027 Å ← 200keV($"

$",)/$"('/!

#/!

34$/%$/!

!

X)?B+B/(G"?9;

BX)6ED)

HCNISnX)

1364928092500)

14

3.2

6.3

2.0

2.8

HA:F)BC.

X)


+2

3

3

3B5(B*#(AE<=JKHI@

HB*G#3B05(BX) ? G&,%A$5F8?>
1B'@-!7 +)LOQNPMJIHK*+

QCH3NH3SnX3Q
"

@C=>DF<CH3NH3SnI3AHCSnIN

1.89402R5/.7/.63$S
T-#→C?NA
$T,#→HA

HNB(GE;C:@C(A!&EA!&%'@;LB.%'


M$ N

K
M#NPt$Pd+3 d 
MMMn$Fe$Cu*)N


<>F5J
DG?FJ
C7G0AJ*)+
9I4JOBr$Cl$I

#M#N
63IL6
8H9IL6
E38L6@G8L6*)

 
MPt-Mn$Pd-Cu-Fe*)N
1J:L
MFe-Ni, Fe-Cu-Ni*)N

Sn
,/(

+OPb$Sn*)K
>I=6218!"
MCH3NH3SnI3*)N

$-&
*+.

Pt, Pd JS'5?)7=)/8>(*1H!##FCIDE#S'5?)7=(*5?

8>07=8>8>

5?7=8>-

7=$ ;::


LNRKQL"
5?.3?*6,-
345/LNR<@972+%&%7-@+PSORMG  @%G 

345/  TBAG&5:70-.$
X,

,(/(( E

S=E+HH;29681<(E = hc/ l

1 Å → 12.4 keV*

E = (h/ l)2/(2m)1 Å→ 81.79 meV

E = (h/ l)2/(2m)0.027 Å ← 200keV($"≈$",)/$"('/!

#/!

34$/%

$/!

!

$&'%+,3)(,*%,

33866 oC

o1063 C

2

1

1000



1

2
3[100]

4
#""

L point

2[011]

225 oC

1X point00

1

2
3[100]

!

40

1

2
3[100]

 4&&)'

%*



2

2[010]

[010]

[010]

2

1

1

100

1

2

Pt-14.4 at.%Mn
Annealed #2
T=12K

Pt-12.5 at.%Mn
Annealed #1
T=4K

Pt-14.4 at.%Mn
Annealed #1
T=7K0012[100][100] ,-/+.,$" !#( !012[100],-/0

'"F%&

~1000℃,%2#F)0!-/1>@97?D&*+

%

1cm
1.5cm
'.%

#)0E$:B=CF8&,(&4A65<3;4,*LX)"#G218
'P/ ,*H<=! ,*O/ ,*L0.MNO/ ,*
XpertPro' ,*;GLAK?EJLCMRIGAKU RAPID
Bruker ApeXIIN

0.M

NKEK.PF
Q4%X )910 3 ∼ 10 6 1(BF>CIQ10−1 ∼ 10 3 Å$& 5 P/ RIGAKU AFC7R

8@?DI:3:267 +#9
HFR(58MW)
ORPHEE(15kW)
FMR(20kW)

'%

9
HFIR(85MW)
NBSR(20MW)

PSI(1MW)SNS(1.4MW)LANSCE(56kW)

ISIS(160kW)),)"< :;</6--179+38:! 092;

*9-.45)

HANARO(30kW)

OPAL(20KW)

JRR-3(20kW)
J-PARC(1MW)

'&($

J-PARC('(MLF)

2019/12 *0.51MW  21
#$ & )

http://j-parc.jp/Acc/ja/gaiyo.html!%" (  (MLF)21

https://mlfinfo.jp/ja/blmap.html),X'S[X;hrmlcoV.7:7]Q(6+"4.

<q#&5`#2S^<X),@ /apgr <CH@DI@BLX ZU*!
@X M@FJ .0UTXegadYX%@ EKNEGUAG8+<P]V^ <X:U*N>!

q15X),@=inrkojdbafWOR^9X7\]QU(6+-?X),@ -?WZ]_^$3%X2\c_b^[]RGXM
f#*"!&

f\c_b^[]d" !'!"!#deC" " !&deePWKOWXFZT
f&%#%"&&dKULeE&%#% $'de`cag?.7.4.>5)/7?>@7@/..06<DKN

S+,PWVYJQHPIUL

4??<(AAA59>?>@7@/..06<C1533=.0?5;:-8./5:12B4?9