Peer-reviewed Feb, 2015 Signature of high $T_c$ around 25K in higher quality heavily boron-doped diamond Appl. Phys. Lett. H. Okazaki, T. Wakita, T. Muro, T. Nakamura, Y. Muraoka, T. Yokoya, S. Kurihara, H. Kawarada, T. Oguchi, Y. Takano Language English Publishing type Research paper (scientific journal) Export BibTeX RIS