Barium

Barium (Ba) — 10-Year Trends

As of 2026-09-25 · the last 10 years

Barium’s research intensity currently sits at about 74% of its own all-time peak, a level that has held steady while the element’s all-time high occurred well before this window.

Research intensity ran from about 70% of the element's own all-time peak in 2016 to about 74% in 2026 — flat overall, with some movement in between, and the all-time peak (1959) lies before this window. Over the same span its share of research attention across all elements held steady. Among the 118 elements, barium has a larger-than-average research literature.

The number of papers involving the element rose from about 8,700 in 2016 to about 15,979 in 2025 (1.84x). That is slower than the literature as a whole grew over the same years, so the element lost ground in the wider body of research even as its own count rose.

The core of barium’s recent research is found in Barium Titanate Dielectrics and Energy Storage. This community focuses on barium titanate ceramics and thin films, specifically modifying dielectric properties for energy storage applications, with work frequently involving batio3 ceramics and barium strontium systems. Barium is one strand of a broader community -- about 17% of its papers involve barium. It accounts for about 22% of the element's recent research, a share that has remained steady. A key paper in this area is "Ultrahigh energy storage in high-entropy ceramic capacitors with polymorphic relaxor phase" (2024), cited over 440 times, which sits alongside "Ultrahigh energy storage in superparaelectric relaxor ferroelectrics" (2021), cited over 800 times.

A second significant area is Barium Titanate Nanocomposites for Flexible Piezoelectrics. Here, researchers focus on barium titanate nanoparticles in polymer films to create flexible piezoelectric nanogenerators with enhanced dielectric properties, often utilizing polymer nanocomposites. Barium is a minor presence in a much larger community -- about 4% of its papers involve barium. This community holds about 8% of the element's recent research, a share that has stayed steady. Notable work includes "Ultrasound‐Responsive Aligned Piezoelectric Nanofibers Derived Hydrogel Conduits for Peripheral Nerve Regeneration" (2024), cited over 160 times.

Finally, there is a smaller but distinct group in Optical Fiber Lasers, Sensors, and Radiation-Shielding Glasses. This work involves barium in the context of radiation shielding and optical materials. It represents about 5% of the element's recent research, a share that has remained steady. A representative study is "Effect of glass composition on physical, mechanical and radiation shielding performance of Barium Bismuth Boro-tellurite glasses" (2026), cited about 7 times.

Overall, the composition of barium’s research has remained stable across the two five-year periods, with no single community gaining or losing significant share. The remainder of the research, which includes other specialized applications, holds about 66% of the element's recent work.

For a deeper look at barium’s current standing, see the Last 12 Months and Executive Brief reports.