生产大小空前的无缺陷金属晶体

研究人员开发了一种将廉价的多晶金属箔转变成具有优良性能的单晶的新方法。预计这些材料将在科学和技术中找到许多用途。

Producing defectless metal crystals of unprecedented size

https://www.sciencedaily.com/releases/2018/10/181018151100.htm

1. Sunghwan Jin, Ming Huang, Youngwoo Kwon, Leining Zhang, Bao-Wen Li, Sangjun Oh, Jichen Dong, Da Luo, Mandakini Biswal, Benjamin V. Cunning, Pavel V. Bakharev, Inyong Moon, Won Jong Yoo, Dulce C. Camacho-Mojica, Yong-Jin Kim, Sun Hwa Lee, Bin Wang, Won Kyung Seong, Manav Saxena, Feng Ding, Hyung-Joon Shin, Rodney S. Ruoff. Colossal grain growth yields single-crystal metal foils by contact-free annealing. Science, 2018; eaao3373 DOI: 10.1126/science.aao3373

===============

推动超导科学的（超冷）前沿

科学家开发了一种测量超导和磁性材料的磁性能的方法，这些材料在非常低的温度下在高磁场中表现出不寻常的量子行为。

Pushing the (extra cold) frontiers of superconducting science

https://www.sciencedaily.com/releases/2018/10/181018151057.htm

1. Hyunsoo Kim, M. A. Tanatar, R. Prozorov. Tunnel diode resonator for precision magnetic susceptibility measurements in a mK temperature range and large DC magnetic fields. Review of Scientific Instruments, 2018; 89 (9): 094704 DOI: 10.1063/1.5048008