Core Insights - The research team led by Professors Zhang Junjie and Tao Xutang from Shandong University has achieved a significant breakthrough in nickel-based superconductors, developing a new material that sets a record for the highest superconducting transition temperature (Tc) in this category at 96K (-177.15℃) [1][2] Group 1: Research Breakthroughs - The newly developed nickel-based superconductor surpasses previous records, with the highest Tc now at 96K, compared to the previous maximum of 83K (-190.15℃) [1] - The research was published in the international journal "Nature," highlighting its importance in the field of high-temperature superconductors [1] Group 2: Methodology and Innovations - The team introduced a novel method called "atmospheric pressure flux method," utilizing potassium carbonate as a flux to grow single crystals at atmospheric pressure, which reduces costs and enhances the feasibility of crystal preparation [2] - A key finding of the research is the correlation between lattice distortion and superconducting temperature, indicating that greater lattice distortion leads to higher Tc [1][2]

Core Insights - The article highlights the achievement of Chinese scientists in developing a new nickel-based superconductor, setting a record for the highest superconducting transition temperature in this category of materials [1][2]. Group 1: Superconductivity Breakthrough - The newly developed superconductor belongs to the nickelate system, marking it as the third type of unconventional high-temperature superconductor after cuprates and iron-based superconductors [1]. - The research team utilized a novel method called the ambient pressure solvent method to synthesize high-quality nickelate crystals, resulting in purer and more uniform structures [1]. - The single crystal samples produced have high quality, laying a solid foundation for studying their superconducting properties [1]. Group 2: Measurement Challenges and Innovations - Determining whether materials are superconducting under high-pressure conditions is highly challenging, requiring the assessment of two properties: zero resistance and complete diamagnetism [2]. - The research team developed innovative techniques for hydrostatic pressure resistance and magnetic measurement, enabling the preservation of the single crystal's structural integrity and intrinsic properties under extreme conditions [2]. - The nickelate sample confirmed as a superconductor has a transition temperature of 96K (-177.15°C), marking a significant advancement towards achieving superconductivity near room temperature [2].