¹²⁴Nd — Unstable · t½ ≈ 2.3 s · Decay: β⁺ → ¹²⁴Pr · Type: synthetic · Uses: research.
¹²⁵Nd — Unstable · t½ ≈ 2.6 s · Decay: β⁺ → ¹²⁵Pr · Type: synthetic · Uses: research.
¹²⁶Nd — Unstable · t½ ≈ 6.5 s · Decay: β⁺ → ¹²⁶Pr · Type: synthetic · Uses: research.
¹²⁷Nd — Unstable · t½ ≈ 1.1 s · Decay: β⁺ → ¹²⁷Pr · Type: synthetic · Uses: research.
¹²⁸Nd — Unstable · t½ ≈ 1.2 s · Decay: β⁺ → ¹²⁸Pr · Type: synthetic · Uses: research.
¹²⁹Nd — Unstable · t½ ≈ 1.6 s · Decay: β⁺ → ¹²⁹Pr · Type: synthetic · Uses: research.
¹³⁰Nd — Unstable · t½ ≈ 3.5 s · Decay: β⁺ → ¹³⁰Pr · Type: synthetic · Uses: research.
¹³¹Nd — Unstable · t½ ≈ 7.0 s · Decay: β⁺ → ¹³¹Pr · Type: synthetic · Uses: research.
¹³²Nd — Unstable · t½ ≈ 9.5 s · Decay: β⁺ → ¹³²Pr · Type: synthetic · Uses: research.
¹³³Nd — Unstable · t½ ≈ 5.0 min · Decay: β⁺ → ¹³³Pr · Type: synthetic · Uses: research.
¹³⁴Nd — Unstable · t½ ≈ 8.0 min · Decay: β⁺ → ¹³⁴Pr · Type: synthetic · Uses: research.
¹³⁵Nd — Unstable · t½ ≈ 11.0 min · Decay: β⁺ → ¹³⁵Pr · Type: synthetic · Uses: research.
¹³⁶Nd — Unstable · t½ ≈ 50.7 min · Decay: β⁻ → ¹³⁶Pm · Type: synthetic · Uses: research.
¹³⁷Nd — Unstable · t½ ≈ 38.5 min · Decay: β⁻ → ¹³⁷Pm · Type: synthetic · Uses: research.
¹³⁸Nd — Unstable · t½ ≈ 5.0 h · Decay: β⁻ → ¹³⁸Pm · Type: synthetic · Uses: research.
¹³⁹Nd — Unstable · t½ ≈ 29.7 min · Decay: β⁻ → ¹³⁹Pm · Type: synthetic · Uses: research.
¹⁴⁰Nd — Stable · — · Type: stable (primordial, most abundant) · Uses: isotope tracer, magnets, nuclear studies.
¹⁴¹Nd — Unstable · t½ ≈ 2.5×10⁴ y · Decay: α → ¹³⁷Ce · Type: primordial radionuclide · Uses: geochronology.
¹⁴²Nd — Stable · — · Type: stable (primordial) · Uses: isotope tracer.
¹⁴³Nd — Stable · — · Type: stable (primordial) · Uses: isotope tracer, geochemistry.
¹⁴⁴Nd — Unstable · t½ ≈ 2.3×10¹⁵ y · Decay: α → ¹⁴⁰Ce · Type: primordial long-lived · Uses: geochronology, isotope tracer.
¹⁴⁵Nd — Stable · — · Type: stable (primordial) · Uses: isotope tracer, magnets.
¹⁴⁶Nd — Unstable · t½ ≈ 2.2×10¹¹ y · Decay: α → ¹⁴²Ce · Type: primordial radionuclide · Uses: geochronology.
¹⁴⁷Nd — Stable · — · Type: stable (primordial) · Uses: isotope tracer.
¹⁴⁸Nd — Stable · — · Type: stable (primordial) · Uses: isotope tracer, nuclear research.
¹⁴⁹Nd — Unstable · t½ ≈ 1.73 h · Decay: β⁻ → ¹⁴⁹Pm · Type: synthetic · Uses: research.
¹⁵⁰Nd — Unstable · t½ ≈ 7.0×10¹⁸ y · Decay: double β⁻ → ¹⁵⁰Sm · Type: primordial, extremely long-lived · Uses: double-β decay physics.
¹⁵¹Nd — Unstable · t½ ≈ 12.4 min · Decay: β⁻ → ¹⁵¹Pm · Type: synthetic · Uses: research.
¹⁵²Nd — Unstable · t½ ≈ 11.0 min · Decay: β⁻ → ¹⁵²Pm · Type: synthetic · Uses: research.
¹⁵³Nd — Unstable · t½ ≈ 31.6 min · Decay: β⁻ → ¹⁵³Pm · Type: synthetic · Uses: research.
¹⁵⁴Nd — Unstable · t½ ≈ 24.0 min · Decay: β⁻ → ¹⁵⁴Pm · Type: synthetic · Uses: research.
¹⁵⁵Nd — Unstable · t½ ≈ 11.0 min · Decay: β⁻ → ¹⁵⁵Pm · Type: synthetic · Uses: research.
¹⁵⁶Nd — Unstable · t½ ≈ 5.5 min · Decay: β⁻ → ¹⁵⁶Pm · Type: synthetic · Uses: research.
¹⁵⁷Nd — Unstable · t½ ≈ 2.0 min · Decay: β⁻ → ¹⁵⁷Pm · Type: synthetic · Uses: research.
¹⁵⁸Nd — Unstable · t½ ≈ 4.0 min · Decay: β⁻ → ¹⁵⁸Pm · Type: synthetic · Uses: research.
¹⁵⁹Nd — Unstable · t½ ≈ 2.0 min · Decay: β⁻ → ¹⁵⁹Pm · Type: synthetic · Uses: research.
¹⁶⁰Nd — Unstable · t½ ≈ 3.5 min · Decay: β⁻ → ¹⁶⁰Pm · Type: synthetic · Uses: research.
¹⁶¹Nd — Unstable · t½ ≈ 2.5 min · Decay: β⁻ → ¹⁶¹Pm · Type: synthetic · Uses: research.
Neodymium — isotope count: 38 total · Stable: 7 (¹⁴⁰Nd, ¹⁴²Nd, ¹⁴³Nd, ¹⁴⁵Nd, ¹⁴⁷Nd, ¹⁴⁸Nd, ¹⁵⁰Nd*)
(*¹⁴¹Nd, ¹⁴⁴Nd, ¹⁴⁶Nd, ¹⁵⁰Nd are technically long-lived radionuclides, sometimes considered quasi-stable.) · Unstable: 31.
(Data: IAEA LiveChart, NUBASE2020, ENSDF; notable applications: ¹⁴⁴Nd/¹⁵⁰Nd in geochronology, Nd isotopes in magnets and nuclear studies, ¹³⁶Nd/¹⁵⁰Nd in double-β physics.)