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57 Lanthanide
La

Lanthanum

RIS 0.013
Velocity
Rank#81
Co-citedSr
Physical properties
Category Lanthanide
Block f-block
State Solid
Config [Xe] 5d1 6s2
Electronegativity 1.1
Density 6.145 g/cm³
Melting 1193.0 K
Boiling 3737.0 K
Ionization 538.1 kJ/mol
Oxidation +2, +3
Discovered 1839 · Carl Gustaf Mosander
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 · 99th percentile for its age
Nature Communications · 2025 · 100th percentile for its age
Water Research · 2025 · 98th percentile for its age
Top papers, last 5 years
Science · 2025 · 99th percentile for its age
Nature Communications · 2025 · 100th percentile for its age
Water Research · 2025 · 98th percentile for its age
Newest papers
Journal of the American Chemical Society · 2026 · 99th percentile for its age
Polymers · 2026 · 98th percentile for its age
Environmental Science & Technology · 2026 · 97th percentile for its age

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Lanthanum's history

Research intensity over time

Lanthanum's history

Lanthanum's research intensity, 1900 → today.

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Advanced visualization features

Lanthanum's associations

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

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