Hßfnio: Propriedades


Isˇtopos

  Abund.
Nat. (%)
Massa
Atˇmica
Meia-
vida
Modo de Dec.
/Energia (/MeV)
En. da Part.
/Intensidade
(MeV/%)
SeccŃo Ef.
Neut. Term.
(b)
Spin
(h/2 pi)
Mom. Dip.
MagnÚtico
(nm)
Mom. Quad.
ElÚctrico
(b)
En. dos Gamas
/Intensidade
(MeV/%)
154Hf   153.96412 2s C.E.,▀+/ 6.6           
155Hf   154.96286 0.9s C.E.,▀+/ 8.4           
156Hf   155.95901 25ms alpha/ 5.88           
157Hf   156.95817 0.11s alpha/ 5.735           
158Hf   157.95459 2.9s C.E./ 5.1
alpha

5.27
 0+      
159Hf   158.95374 5.6s +,C.E./ 6.7
alpha

5.09
       rad. an.
160Hf   159.95055 12s +,C.E./ 4.4
alpha/ 4.78
   0+     rad. an.
161Hf   160.947204 38s alpha
4.6
        
162Hf   161.947204 38s +,C.E./ 3.7    0+     rad. an.
0.1739
0.1963
0.4101
163Hf   162.94698 40s +,C.E./ 5.4          rad. an.
0.0454
0.0621
0.071
0.6882
164Hf   163.9444 2.8m C.E.,▀+/ 3           
165Hf   164.94453 1.7m C.E./ 4.6    11/2-      
166Hf   165.94225 6.8m C.E./ 2.3
+
         rad. an.
Lu k x rays
0.0788
167Hf   166.9426 2m +/ 4
C.E.
   5/2-     rad. an.
Lu k x rays
0.1754
0.3152
168Hf   167.94073 25.9m +,C.E./ 1.8    0+     rad. an.
0.1572
0.1838
0.1988
169Hf   168.94124 3.25m C.E./ 3.3
+
   5/2-     rad. an.
Lu k x rays
0.3695
0.4929
170Hf   169.93974 16h C.E./ 1.1    0+     Lu k x rays
0.0985
0.1202
0.1647
0.5729
0.6207
171Hf   170.94049 12.2h C.E.,▀+/ 2.4    7/2+     rad. an.
Lu k x rays
0.1221
0.662
1.0714
172Hf   171.93946 1.87a C.E./ 0.35    0+     Lu k x rays
0.02399
0.12582
173Hf   172.94065 23.6h C.E./ 1.6    1/2-     Lu k x rays
0.12367
0.13963
0.29697
0.31124
0.1 - 2.1
174Hf 0.162 % 173.940044 2x1015a     620 b0+      
175Hf   174.941507 70d C.E./ 0.684    5/2- 0.54 nm 2.8 b Lu k x rays
0.08936
0.3434
176Hf 5.206 % 175.941406       23 b0+      
177mHf     51.4m T.I./ 2.74    37/2-     Hf k x rays
0.214
0.2951
0.3115
0.3267
177mHf     1.1s T.I.    23/2+     Hf k x rays
0.20836
0.22847
0.37851
177Hf 18.606 % 176.943217       375 b7/2- 0.7935 nm 0.337 b  
178mHf     31a T.I.    16+ 7.3 nm   Hf k x rays
0.21342
0.25761
0.32555
0.42635
0.57418
178mHf     4s T.I.    8-     Hf k x rays
0.21342
0.32555
0.42635
178Hf 27.297 % 177.943696       85 b0+      
179mHf     25.1d T.I./ 1.1057    25/2- 7.4 nm   Hf k x rays
0.1227
0.1461
0.3626
0.4537
179mHf     18.7s T.I./ 0.375    1/2-     Hf k x rays
0.1607
0.2141
179Hf 13.629 % 178.945812       46 b9/2+ -0.6409 nm 3.79 b  
180mHf     5.52h T.I./ 1.1416    8- 8.7 nm 4.6 b Hf k x rays
0.2152
0.3323
0.4432
180Hf 35.1 % 179.946545       13 b0+      
181Hf   180.949096 42.4d -/ 1.028 0.408 30 b1/2-     Ta k x rays
0.13294
0.482
182mHf     62m -/ 1.6
T.I./ 1.1729
0.49/ 43
0.95/ 10
 8-     Hf k x rays
0.0509
0.2244
0.3441
0.4558
0.5066
0.9428
182Hf   181.95055 9x106a -/ 0.37    0+     Ta k x rays
0.2704
183Hf   182.95353 1.07h -/ 2.01 1.18/ 68
1.54/ 25
 3/2-     Ta k x rays
0.0732
0.4591
0.7837
184Hf   183.95544 4.1h -/ 1.34 0.74/ 38
0.85/ 16
1.1/ 46
 0+     Ta k x rays
0.0414
0.1391
0.3449