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釹的同位素

主要的釹同位素
同位素 衰變
丰度 半衰期 (t1/2) 方式 能量
MeV
產物
142Nd 27.153% 穩定,帶82粒中子
143Nd 12.173% 穩定,帶83粒中子
144Nd 23.798% 2.29×1015  α 1.901 140Ce
145Nd 8.293% 穩定,帶85粒中子
146Nd 17.189% 穩定,帶86粒中子
147Nd 人造 10.98  β 0.895 147Pm
148Nd 5.756% 穩定,帶88粒中子
150Nd 5.638% 9.3×1018  ββ 3.371 150Sm
標準原子質量英语Standard atomic weight (Ar, 標準)
←Pr59 Pm61

原子質量單位: 144.242(3))的同位素,其中有1個穩定同位素和4個觀測上穩定同位素。

圖表

[编辑]
符號 Z N 同位素質量(u
[n 1][n 2]
半衰期
[n 1][n 2][n 3]
衰變
方式
[2]
衰變
產物

[n 4]
原子核
自旋[n 1]
相對豐度
莫耳分率)[n 2]
相對豐度
的變化量
莫耳分率)
激發能量[n 1][n 2]
124Nd 60 64 123.95223(64)# 500# ms 0+
125Nd 60 65 124.94888(43)# 600(150) ms 5/2(+#)
126Nd 60 66 125.94322(43)# 1# s [>200 ns] β+ 126Pr 0+
127Nd 60 67 126.94050(43)# 1.8(4) s β+ 127Pr 5/2+#
β+, p (不常見) 126Ce
128Nd 60 68 127.93539(21)# 5# s β+ 128Pr 0+
β+, p (不常見) 127Ce
129Nd 60 69 128.93319(22)# 4.9(2) s β+ 129Pr 5/2+#
β+, p (不常見) 128Ce
130Nd 60 70 129.92851(3) 21(3) s β+ 130Pr 0+
131Nd 60 71 130.92725(3) 33(3) s β+ 131Pr (5/2)(+#)
β+, p (不常見) 130Ce
132Nd 60 72 131.923321(26) 1.56(10) min β+ 132Pr 0+
133Nd 60 73 132.92235(5) 70(10) s β+ 133Pr (7/2+)
133m1Nd 127.97(11) keV ~70 s β+ 133Pr (1/2)+
133m2Nd 176.10(10) keV ~300 ns (9/2-)
134Nd 60 74 133.918790(13) 8.5(15) min β+ 134Pr 0+
134mNd 2293.1(4) keV 410(30) µs (8)-
135Nd 60 75 134.918181(21) 12.4(6) min β+ 135Pr 9/2(-)
135mNd 65.0(2) keV 5.5(5) min β+ 135Pr (1/2+)
136Nd 60 76 135.914976(13) 50.65(33) min β+ 136Pr 0+
137Nd 60 77 136.914567(12) 38.5(15) min β+ 137Pr 1/2+
137mNd 519.43(17) keV 1.60(15) s IT 137Nd (11/2-)
138Nd 60 78 137.911950(13) 5.04(9) h β+ 138Pr 0+
138mNd 3174.9(4) keV 410(50) ns (10+)
139Nd 60 79 138.911978(28) 29.7(5) min β+ 139Pr 3/2+
139m1Nd 231.15(5) keV 5.50(20) h β+ (88.2%) 139Pr 11/2-
IT (11.8%) 139Nd
139m2Nd 2570.9+X keV ≥141 ns
140Nd 60 80 139.90955(3) 3.37(2) d ε 140Pr 0+
140mNd 2221.4(1) keV 600(50) µs 7-
141Nd 60 81 140.909610(4) 2.49(3) h β+ 141Pr 3/2+
141mNd 756.51(5) keV 62.0(8) s IT (99.95%) 141Nd 11/2-
β+ (.05%) 141Pr
142Nd 60 82 141.9077233(25) 稳定 0+ 0.272(5) 0.2680-0.2730
143Nd[n 5][n 6] 60 83 142.9098143(25) 觀測上穩定[n 7] 7/2- 0.122(2) 0.1212-0.1232
144Nd[n 5][n 8] 60 84 143.9100873(25) 2.29(16)×1015 a α 140Ce 0+ 0.238(3) 0.2379-0.2397
145Nd[n 5] 60 85 144.9125736(25) 觀測上穩定[n 9] 7/2- 0.083(1) 0.0823-0.0835
146Nd[n 5] 60 86 145.9131169(25) 觀測上穩定[n 10] 0+ 0.172(3) 0.1706-0.1735
147Nd[n 5] 60 87 146.9161004(25) 10.98(1) d β 147Pm 5/2-
148Nd[n 5] 60 88 147.916893(3) 觀測上穩定[n 11] 0+ 0.057(1) 0.0566-0.0578
149Nd[n 5] 60 89 148.920149(3) 1.728(1) h β 149Pm 5/2-
150Nd[n 5][n 8] 60 90 149.920891(3) 6.7(7)×1018 a ββ 150Sm 0+ 0.056(2) 0.0553-0.0569
151Nd 60 91 150.923829(3) 12.44(7) min β 151Pm 3/2+
152Nd 60 92 151.924682(26) 11.4(2) min β 152Pm 0+
153Nd 60 93 152.927698(29) 31.6(10) s β 153Pm (3/2)-
154Nd 60 94 153.92948(12) 25.9(2) s β 154Pm 0+
154m1Nd 480(150)# keV 1.3(5) µs
154m2Nd 1349(10) keV >1 µs (5-)
155Nd 60 95 154.93293(16)# 8.9(2) s β 155Pm 3/2-#
156Nd 60 96 155.93502(22) 5.49(7) s β 156Pm 0+
156mNd 1432(5) keV 135 ns 5-
157Nd 60 97 156.93903(21)# 2# s [>300 ns] β 157Pm 5/2-#
158Nd 60 98 157.94160(43)# 700# ms [>300 ns] β 158Pm 0+
159Nd 60 99 158.94609(54)# 500# ms β 159Pm 7/2+#
160Nd 60 100 159.94909(64)# 300# ms β 160Pm 0+
161Nd 60 101 160.95388(75)# 200# ms β 161Pm 1/2-#
  1. ^ 1.0 1.1 1.2 1.3 畫上#號的數據代表沒有經過實驗的証明,僅為理論推測。
  2. ^ 2.0 2.1 2.2 2.3 用括號括起來的數據代表不確定性。
  3. ^ 半衰期超过5亿年的同位素以粗體表示。
  4. ^ 穩定的衰變產物以粗體表示。
  5. ^ 5.0 5.1 5.2 5.3 5.4 5.5 5.6 5.7 裂变产物
  6. ^ 用于钐钕测年法英语Samarium-neodymium dating
  7. ^ 被认为会α衰变成139Ce
  8. ^ 8.0 8.1 原始英语Primordial nuclide放射性同位素
  9. ^ 被认为会α衰变成141Ce,半衰期超过6×1016
  10. ^ 被认为会α衰变成142Ce
  11. ^ 被认为会α衰变成144Ce,半衰期超过3.0×1018
同位素列表
鐠的同位素 釹的同位素 鉕的同位素

参考文獻

[编辑]
  1. ^ Meija, Juris; et al. Atomic weights of the elements 2013 (IUPAC Technical Report). Pure and Applied Chemistry. 2016, 88 (3): 265–91. doi:10.1515/pac-2015-0305. 
  2. ^ Universal Nuclide Chart需要免费注册. nucleonica. [2015-09-19]. (原始内容存档于2017-02-19). 
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釹的同位素
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