2006      44  4 

 !"#$%&#'()#*+ ,-./ 012%345 67 89: ;<=>< ?@AB CDE FG!H I"JKLMNO=PQR

 1 STQU##V/WX " 1 STQ=PQ$#CAYZKNO%;  YZKNO C3=PQ[\&]A^_X`'(#a !% 7b)^_cU#dJ; 8 *ef d ; +[#g *hi,+-[ j-;k0[.BnX`"#CX"  lX`?/3)m[80a1DE 2Jop34q5[bD`" ] =PQR[_7r6TK

s7 2 tuW 1 t 8v=PQKwOx#8vW3;"[2Jopyu% z{|}O# 1t=PQ9d;`"[k0nyu%W`]~ 3; :uW;C"]~3 [; ,<* ,2Jop- MULTUM-S U#[J; = 53

>?@A 1P-P1-28, p. 100U#

|NOQ2Jop,- MULTUM II  40 cm40 cm  CB ;5[C`"#CX# "[W ,D, X`"#CE |Q!
034 EFG#HIJ )0TK34C[ 2  1; K #`¡DWX D,¢£N=¢ MULTUM-S B[ LMN¤Z=KN¥[;J; :,,- 7 mOX`[ A4 ¦§=¨ P%`" Q© =PQ[ª d"82J«p[ ¬`%  ­®R0q¯/S 12%S#*(X!°R0[8TU¥`34±V[ ²3S#_`]~ B Xe [§Q¢| =PQb)R³ 1.5 kV  10 6.=PQ[ ¬W`"[yW

11 =PQ[ C5 4,800 

=PQ# 10 6. "uW b±SL,MN¤Z=KN¥[; duuvW´ u3a;"#vuaX6.]~ - /#X; µYC]©Z¶ ·v;¸"" W%W1)
2)

3)
4)

5)
6)

I. Katakuse, T. Ichihara,Ichihara H. Nakabushi, T. Matsuo, and H. Matsuda, A compact primary gun formolecular SIMS, Mass Spectrosc., 31, 111῍114 (1983).
I. Katakuse, H. Nakabushi, T. Ichihara,Ichihara T. Sakurai, T. Matsuo, and H. Matsuda, Generation anddetection of cluster ions [(CsI)nCs]¹ ranging up to m/zº90000, Int. J. Mass Spectrom. Ion Process.,
57, 239῍242 (1984).
I. Katakuse, H. Nakabushi, T. Ichihara,Ichihara Y. Fujita, T. Matsuo, T. Sakurai, and H. Matsuda, Postacceleration for heavy molecule ion detector, Mass Spectrosc., 33, 145῍147 (1985).
I. Katakuse, T. Ichihara,Ichihara Y. Fujita, T. Matsuo, T. Sakurai, and H. Matsuda, Mass distributions ofcopper, silver and gold clusters and electronic shell structure, Int. J. Mass Spectrom. Ion Process., 67,229῍236 (1985).
I. Katakuse, T. Ichihara,Ichihara Y. Fujita, T. Matsuo, T. Sakurai, and H. Matsuda, Mass distributions ofnegative cluster ions of copper, silver and gold, Int. J. Mass Spectrom. Ion Process., 74, 33῍41 (1986).
  FG!H  7b)[;[ \]=PQ»^_c  35, 216῍220(1987).
ῌ 282 ῌ7)

8)

9)

10)
11)

12)
13)
14)
15)
16)
17)
18)
19)
20)
21)
22)
23)
24)
25)

26)
27)
28)
29)
30)

I. Katakuse, T. Ichihara,Ichihara H. Ito, T. Matsuo, T. Sakurai, and H. Matsuda, Ultra-high-mass spectra ofCsI clusters and evidence for the existence of stable neutral cubic-like structures with an evennumber of atoms, Rapid Commun. Mass Spectrom., 2, 191῍194 (1988).
I. Katakuse, T. Ichihara,Ichihara M. Morris, T. Matsuo, T. Sakurai, and H. Matsuda, Mass distributions ofpositive and negative cluster ions of zinc and cadmium, Int. J. Mass Spectrom. Ion Process., 91, 85῍91 (1989).
I. Katakuse, T. Ichihara,Ichihara T. Matsuo, T. Sakurai, and H. Matsuda, Secondary ion mass spectra ofsilver clusters (Ag)n up to 26000 dalton (n240), Int. J. Mass Spectrom. Ion Process., 91, 99῍101(1989).
I. Katakuse, T. Ichihara,Ichihara H. Ito, T. Matsuo, T. Sakurai, and H. Matsuda, Cluster abundance mass
spectra of (Pb)nῌ and (Pb)n, Int. J. Mass Spectrom. Ion Process., 91, 93῍97 (1989).
I. Katakuse, T. Ichihara,Ichihara H. Ito, T. Matsuo, and T. Sakurai, Mass distributions and geometricalconﬁgurations of gold clusters (Au)n obtained in a hydrodynamic ion source, Int. J. Mass
Spectrom. Ion Process., 93, 331῍336 (1989).
      (TL)   !" 25, 511῍517(1990).
I. Katakuse, H. Ito, and T. Ichihara,Ichihara Fragmentation of doubly charged noble metal clusters, Z. Phys.
D, 20, 101῍104 (1991).
  #$%& ' ( )*+, -./0 123456789:;<=>?
:@ABCDEFG 3456 40, 277῍281 (1992).
H. Ito, T. Sakurai, T. Matsuo, T. Ichihara,Ichihara and I. Katakuse, Detection of electronic-shell structure indivalent-metal clusters (Hg)n, Phys. Rev. B, 48, 4741῍4745 (1993).
 #$%& HI>;J>K@EL3 IONICS, 20, 3῍8 (1994).
   #$%& MN;J>K@E>@O@PQR STUV 39, 49῍62 (1994).
    WXYZ834567E[G J. Mass Spectrom. Soc. Jpn., 44, 85῍89 (1996).
  #$%& ' ( )*+, \]L^C?RE_`Eab>OcK@ABCDE[G J. Mass Spectrom. Soc. Jpn., 44, 91῍95 (1996).
I. Katakuse, T. Ichihara,Ichihara H. Ito, T. Sakurai, and T. Matsuo, A new approach of the SIMS method formetal clusters, Surface Review and Letters, 3, 551῍555 (1996).
T. Satoh, I. Katakuse, T. Ichihara,Ichihara H. Ito, and T. Matsuo, Dissociation patterns of tellurium clusters,
OUNLS Annual Rep., 94῍95 (1997).
d$ef #$%&   )*+, SIM ghijk^AlE 2 mnRR;J>
K@Eo J. Mass Spectrom. Soc. Jpn., 46, 433῍436 (1998).
T. Satoh, H. Ito, T. Ichihara,Ichihara and I. Katakuse, Dissociation patterns of tellurium clusters fromsputtering ion source, OULNS Annual Rep. (1999).
H. Ito, T. Matsuo, T. Sato, T. Ichihara,Ichihara and I. Katakuse, Dissociation study of tellurium cluster ions,Ten (n25῍85) using secondary ion mass spectrometry, J. Mass Spectrom., 35, 168῍171 (2000).
T. Satoh, T. Nagata, H. Sakae, H. Ito, T. Ichihara,Ichihara and I. Katakuse, Size distribution and dissociation
patterns of iron-sulfur binary cluster ions from sputter ion source, J. Mass Spectrom. Soc. Jpn., 49,121῍126 (2001).
pq r stuv w xy d$ef z{|}   ~128k_&34567E] ;J>K@5Eo J. Mass Spectrom. Soc. Jpn., 50, 213῍216 (2002).
T. Satoh, H. Ito, H. Sakae, T. Ichihara,Ichihara and I. Katakuse, The lifetime distribution of cluster ions fromsputtering ion source, J. Mass Spectrom. Soc. Jpn., 51, 354῍358 (2003).
T. Satoh, H. Ito, T. Ichihara,Ichihara H. Sakae, and I. Katakuse, Fragmentation of doubly and triply charged
mercury cluster ions, J. Mass Spectrom. Soc. Jpn., 51, 391῍397 (2003).
-./0    8ABA@8_9:;<=>?:@ABCD J. Mass Spectrom. Soc. Jpn., 51, 477῍480 (2003).
M. Ishihara, M. Toyoda, H. Sakae, T. Ichihara,Ichihara and I. Katakuse, Development of a GC-MS systemwith an array detector system for endocrine disruptor analysis, Environmental Sciences, 11, 15῍24(2004).

ῌ 283 ῌ