Materials & Chemistry

A Japanese research team has achieved what was considered impossible for over a century: creating a transparent, millimeter-sized bulk piece of amorphous alumina. With a dielectric constant of 11.3, surpassing sapphire, and a novel pentahedral pyramid structure, this JACS-published breakthrough could reshape semiconductor and capacitor materials.

UK activist fund Palliser Capital has become a top-25 shareholder of Ajinomoto and is demanding a 30%+ price increase for its ABF semiconductor insulation material. We explore how a food company holds near-100% global market share in chip packaging and what the activist wave means for Japanese corporations.

Researchers at Kobe University have achieved the world's first inkjet printing using structural color nanoparticle ink — no dyes, no pigments, just silicon nanoparticles that produce color through light resonance. The result: vivid prints that never fade, with applications from eco-friendly packaging to anti-counterfeit security.

Maya Kawana, eldest daughter of SoftBank's Masayoshi Son, has become CEO of biotech startup Spiber after a private restructuring left roughly ¥36 billion in debt with the old entity. From Goldman Sachs to spider silk, we explore her rebuilding plan, the biomaterials race, and what this means for Japan's deep-tech ecosystem.

Japan's GX Promotion Organization will guarantee up to $1.2 billion in debt for JFE Holdings' next-generation electric arc furnace. This $2.2 billion project aims to cut 2.6 million tonnes of CO₂ annually by replacing a blast furnace. How does Japan's industrial decarbonization strategy compare to the EU's CBAM and America's IRA?

Spider silk — five times stronger than steel by weight — is finally becoming a mass-produced reality. U.S.-based Kraig Biocraft targets 10 tons per month while Japan's Spiber partners with 45+ brands. Explore Super Silk's potential in fashion, medicine, and defense, and how this bio-revolution is unfolding.

Shibaura Institute of Technology and AIST have measured the stable carbon isotope ratios of PFOA and PFOS, a world first for PFOS, using an Orbitrap that reads the chemical fingerprint without burning the sample. River spike tests proved it works on real environmental water, opening a path to identifying PFAS pollution sources. The bench work was a senior thesis. Japan made its 50 ng/L tap water standard legally binding in April 2026.

Kyoto Institute of Technology and Chuo University have developed a cooling-free infrared sensor using semiconductor carbon nanotubes (CNTs) with 11x greater sensitivity than conventional materials. Building on Japan's legacy in CNT research since their 1991 discovery at NEC, this breakthrough could transform autonomous driving, security screening, and medical imaging. Here's what it means and how Japan is reacting.

Rapidus CEO Atsuyoshi Koike unveiled the world's first 600mm square glass substrate RDL interposer at SEMICON Japan 2025, yielding roughly ten times as many interposers as a 300mm wafer. How it compares with TSMC's CoWoS and Intel's Foveros, and what Japan's packaging strategy is betting on ahead of 2028 mass production.