Room-temperature hyperpolarization of polycrystalline samples with optically polarized triplet electrons: pentacene or nitrogen-vacancy center in diamond?
Koichiro Miyanishi1, Takuya F. Segawa2,3, Kazuyuki Takeda4,
Izuru Ohki5, Shinobu Onoda6,7, Takeshi Ohshima6,7, Hiroshi Abe6,7,
Hideaki Takashima8, Shigeki Takeuchi8, Alexander I. Shames9,
Kohki Morita5, Yu Wang4, Frederick T.-K. So2,6, Daiki Terada2,6,
Ryuji Igarashi6,7,10, Akinori Kagawa1,10,11, Masahiro Kitagawa1,11,
Norikazu Mizuochi5, Masahiro Shirakawa2,6,and Makoto Negoro6,10,11
1 Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
2 Department of Molecular Engineering, Graduate School of Engineering, Kyoto University, Nishikyo-Ku, Kyoto 615-8510, Japan
3 Laboratory for Solid State Physics, ETH Zurich, 8093 Zurich, Switzerland
4 Division of Chemistry, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
5 Institute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto 611-0011, Japan
6 Institute for Quantum Life Science, National Institutes for Quantum and Radiological Science and Technology, 4-9-1, Anagawa, Inage-Ku, Chiba 263-8555, Japan
7 Takasaki Advanced Radiation Research Institute, National Institutes for Quantum and Radiological Science and Technology, 1233 Watanuki, Takasaki, Gunma 370-1292, Japan
8 Department of Electronic Science and Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan
9 Department of Physics, Ben-Gurion University of the Negev, 8410501 Beer-Sheva, Israel
10 JST, PRESTO, Kawaguchi, Japan
11 Center for Quantum Information and Quantum Biology, Institute for Open and Transdisciplinary Research Initiatives, Osaka University, 1-2 Machikaneyama, Toyonaka, Osaka 560-0043, Japan
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