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28 Transition Metal
Ni

Nickel

RIS 0.135
Velocity
Rank#15
Co-citedCo
Physical properties
Category Transition Metal
Block d-block
State Solid
Config [Ar] 3d8 4s2
Electronegativity 1.91
Density 8.912 g/cm³
Melting 1728.0 K
Boiling 3186.0 K
Ionization 737.1 kJ/mol
Oxidation +1, +2, +3, +4
Discovered 1751 · Axel Fredrik Cronstedt
10-year trends

Research trends from the past decade for this element.

Research trends from the past decade: publication rate, citation momentum, emerging applications. A bird's-eye view of how the field has been evolving.

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Top papers of all time
Science · 2025 · 100th percentile for its age
Nature Communications · 2025 · 100th percentile for its age
Science · 2025 · 100th percentile for its age
Top papers, last 5 years
Science · 2025 · 100th percentile for its age
Nature Communications · 2025 · 100th percentile for its age
Science · 2025 · 100th percentile for its age
Newest papers
Nano Research · 2026 · 100th percentile for its age
Journal of Materials Research and Technology · 2026 · 100th percentile for its age
2026 · 100th percentile for its age

These are the nine that matter most. There are more — browse all of them free.

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Nickel's history

Research intensity over time

Nickel's history

Nickel's research intensity, 1900 → today.

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Advanced visualization features

Nickel's associations

These shapes are citation clusters: groups of papers that cite each other. They show why Nickel is moving, not just that it is.

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