Houston's Dr. Paul Chu breaks superconductivity record — again

Physicist Paul Chu has once again pushed the boundaries of his field. Working at the University of Houston, Chu and his research team recently set a new record for ambient-pressure superconductivity at 151 Kelvin. This achievement marks the highest transition temperature reached without high pressure since the discovery of superconductivity in 1911.

Superconductivity allows electricity to flow through materials without resistance. While researchers have long sought to reach this state at room temperature, high-pressure requirements have historically hindered practical applications. Chu and assistant professor Liangzi Deng utilized a pressure quenching technique to lock in these properties, ensuring the material remains stable under standard conditions. This makes the material significantly more accessible for further scientific investigation and potential technological development.

Chu is a long-standing figure in the scientific community. In 1987, he gained international recognition for developing a compound that functioned at 93 degrees Kelvin, which allowed for the use of affordable liquid nitrogen cooling. His work at the Texas Center for Superconductivity at the University of Houston has attracted global talent and established the city as a primary hub for this research. The center currently employs more than 200 people dedicated to advancing these material science goals.

At 84 years old, Chu remains active in his laboratory. His focus stays on the ultimate target of room-temperature superconductivity. Such a breakthrough could alter the future of power grids, advanced computing, and medical imaging systems. By continuing to refine his methods and mentor new generations of physicists, Chu maintains his role as a key contributor to energy research. This latest milestone serves as a continuation of a career defined by the pursuit of what was once considered impossible in the realm of physics.