Abrams, D., Trusheim, M. E., Englund, D. R., Shattuck, M. D., and Meriles, C. A.: Dynamic nuclear spin polarization of liquids and gases in contact with nanostructured diamond, Nano Lett., 14, 2471–2478, https://doi.org/10.1021/nl500147b, 2014.
Acosta, V., Jarmola, A., Bauch, E., and Budker, D.: Optical proper- ties of the nitrogen-vacancy singlet levels in diamond, Phys. Rev. B, 82, 201202, https://doi.org/10.1103/PhysRevB.82.201202, 2010.
Ajoy, A., Liu, K., Nazaryan, R., Lv, X., Zangara, P. R., Safvati, B., Wang, G., Arnold, D., Li, G., Lin, A., Raghavan, P., Druga, E., Dhomkar, S., Pagliero, D., Reimer, J. A., Suter, D., Meriles, C. A., and Pines, A.: Orientation-independent room temperature optical 13C hyperpolarization in powdered diamond, Sci. Adv., 4, eaar5492, https://doi.org/10.1126/sciadv.aar5492, 2018a.
Ajoy, A., Nazaryan, R., Liu, K., Lv, X., Safvati, B., Wang, G., Druga, E., Reimer, J. A., Suter, D., Ramanathan, C., Meriles,
C. A., and Pines, A.: Enhanced dynamic nuclear polarization via swept microwave frequency combs, P. Natl. Acad. Sci. USA, 115, 10576–10581, https://doi.org/10.1073/pnas.1807125115, 2018b.
Ajoy, A., Safvati, B., Nazaryan, R., Oon, J. T., Han, B., Ragha-van, P., Nirodi, R., Aguilar, A., Liu, K., Cai, X., Lv, X., Druga, E., Ramanathan, C., Reimer, J. A., Meriles, C. A., Suter, D., and Pines, A.: Hyperpolarized relaxometry based nuclear T1 noise spectroscopy in diamond, Nat. Commun., 10, 5160, https://doi.org/10.1038/s41467-019-13042-3, 2019.
Ajoy, A., Nazaryan, R., Druga, E., Liu, K., Aguilar, A., Han, B., Gierth, M., Oon, J. T., Safvati, B., Tsang, R., Walton, J. H., Suter, D., Meriles, C. A., Reimer, J. A., and Pines, A.: Room temperature “optical nanodiamond hyperpolarizer”: Physics, design, and operation, Rev. Sci. Instrum., 91, 023106, https://doi.org/10.1063/1.5131655, 2020.
Álvarez, G. A., Bretschneider, C. O., Fischer, R., London, P., Kanda, H., Onoda, S., Isoya, J., Gershoni, D., and Frydman, L.: Local and bulk 13C hyperpolarization in nitrogen-vacancy-centred diamonds at variable fields and orientations, Nat. Com- mun., 6, 8456, https://doi.org/10.1038/ncomms9456, 2015.
Ardenkjær-Larsen, J. H., Fridlund, B., Gram, A., Hansson, G., Hansson, L., Lerche, M. H., Servin, R., Thaning, M., and Gol- man, K.: Increase in signal-to-noise ratio of > 10 000 times in liquid-state NMR, P. Natl. Acad. Sci. USA, 100, 10158–10163, https://doi.org/10.1073/pnas.1733835100, 2003.
Awschalom, D. D. and Flatté, M. E.: Challenges for semiconductor spintronics, Nat. Phys., 3, 153–159, https://doi.org/10.1038/nphys551, 2007.
Can, T. V., Weber, R. T., Walish, J. J., Swager, T. M., and Griffin, R. G.: Frequency-Swept Integrated Solid Effect, Angew. Chem. Int. Edit., 56, 6744–6748, https://doi.org/10.1021/acs.jpclett.8b01002, 2017.
Casabianca, L. B., Shames, A. I., Panich, A. M., Shenderova, O., and Frydman, L.: Factors affecting DNP NMR in polycrys- talline diamond samples, J. Phys. Chem. C, 115, 19041–19048, https://doi.org/10.1021/jp206167j, 2011.
Chen, J., Lourette, S., Rezai, K., Hoelzer, T., Lake, M., Nesladek, M., Bouchard, L.-S., Hemmer, P., and Budker, D.: Optical quenching and recovery of photoconductivity in single-crystal diamond, Appl. Phys. Lett., 110, 011108, https://doi.org/10.1063/1.4973692, 2017.
Chen, Q., Schwarz, I., Jelezko, F., Retzker, A., and Ple- nio, M. B.: Optical hyperpolarization of 13C nuclear spins in nanodiamond ensembles, Phys. Rev. B, 92, 184420, https://doi.org/10.1103/PhysRevB.92.184420, 2015.
Corval, A., Kryschi, C., Astilean, S., and Trommsdorff, H. P.: Res- onant intersystem crossing in pentacene, J. Phys. Chem., 98, 7376–7381, https://doi.org/10.1021/j100081a024, 1994.
Deimling, M., Brunner, H., Dinse, K., Hausser, K., and Colpa, J.: Microwave-induced optical nuclear polarization (MI-ONP), K. Miyanishi et al.: Room-temperature hyperpolarization: pentacene or NV center in diamond? 47
J. Magn. Reson., 39, 185–202, https://doi.org/10.1016/0022-2364(80)90128-6, 1980.
Doherty, M. W., Manson, N. B., Delaney, P., Jelezko, F., Wrachtrup, J., and Hollenberg, L. C.: The nitrogen- vacancy colour centre in diamond, Phys. Rep., 528, 1–45, https://doi.org/10.1016/j.physrep.2013.02.001, 2013.
Fischer, R., Bretschneider, C. O., London, P., Budker, D., Gershoni, D., and Frydman, L.: Bulk Nuclear Polarization Enhanced at Room Temperature by Optical Pumping, Phys. Rev. Lett., 111, 057601, https://doi.org/10.1103/PhysRevLett.111.057601, 2013. Gruber, A., Dräbenstedt, A., Tietz, C., Fleury, L., Wrachtrup, J., and von Borczyskowski, C.: Scanning confocal optical microscopy and magnetic resonance on single defect centers, Science, 276, 2012–2014, https://doi.org/10.1126/science.276.5321.2012, 1997.
He, X.-F., Manson, N. B., and Fisk, P. T.: Paramagnetic reso- nance of photoexcited N-V defects in diamond, I. Level anti- crossing in the 3A ground state, Phys. Rev. B, 47, 8809–8815, https://doi.org/10.1103/PhysRevB.47.8809, 1993.
Henstra, A., Lin, T.-S., Schmidt, J., and Wenckebach, W.: High dy- namic nuclear polarization at room temperature, Chem. Phys. Lett., 165, 6–10, https://doi.org/10.1016/0009-2614(90)87002-9, 1990.
Jelezko, F., Gaebel, T., Popa, I., Gruber, A., and Wrachtrup, J.: Observation of Coherent Oscillations in a Sin- gle Electron Spin, Phys. Rev. Lett., 92, 076401, https://doi.org/10.1103/PhysRevLett.92.076401, 2004.
Kagawa, A., Murokawa, Y., Takeda, K., and Kitagawa, M.: Opti- mization of 1H spin density for dynamic nuclear polarization us- ing photo-excited triplet electron spins, J. Magn. Reson., 197, 9–13, https://doi.org/10.1016/j.jmr.2008.11.009, 2009.
Kagawa, A., Negoro, M., Ohba, R., Ichijo, N., Takamine, K., Nakamura, Y., Murata, T., Morita, Y., and Kitagawa, M.: Dy- namic Nuclear Polarization using Photoexcited Triplet Electron Spins in Eutectic Mixtures, J. Phys. Chem. A, 122, 9670–9675, https://doi.org/10.1021/acs.jpca.8b09934, 2018.
Kagawa, A., Miyanishi, K., Ichijo, N., Negoro, M., Nakamura, Y., Enozawa, H., Murata, T., Morita, Y., and Kitagawa, M.: High- field NMR with dissolution triplet-DNP, J. Magn. Reson., 309, 106623, https://doi.org/10.1016/j.jmr.2019.106623, 2019.
King, J. P., Coles, P. J., and Reimer, J. A.: Optical polarization of 13C nuclei in diamond through ni- trogen vacancy centers, Phys. Rev. B, 81, 073201, https://doi.org/10.1103/PhysRevB.81.073201, 2010.
King, J. P., Jeong, K., Vassiliou, C. C., Shin, C. S., Page, R. H., Avalos, C. E., Wang, H.-J., and Pines, A.: Room-temperature in situ nuclear spin hyperpolarization from optically pumped nitrogen vacancy centres in diamond, Nat. Commun., 6, 8965, https://doi.org/10.1038/ncomms9965, 2015.
Köhler, J., Disselhorst, J., Donckers, M., Groenen, E., Schmidt, J., and Moerner, W.: Magnetic resonance of a single molecular spin, Nature, 363, 242–244, https://doi.org/10.1038/363242a0, 1993.
Lesage, A., Lelli, M., Gajan, D., Caporini, M. A., Vitzthum, V., Miéville, P., Alauzun, J., Roussey, A., Thieuleux, C., Mehdi, A., Bodenhausen, G., Copéret, C., and Emsley, L.: Surface enhanced NMR spectroscopy by dynamic nu- clear polarization, J. Am. Chem. Soc., 132, 15459–15461, https://doi.org/10.1021/ja104771z, 2010.
Loretz, M., Takahashi, H., Segawa, T. F., Boss, J. M., and Degen, C. L.: Optical hyperpolarization of nitrogen donor spins in bulk diamond, Phys. Rev. B, 95, 064413, https://doi.org/10.1103/PhysRevB.95.064413, 017.
Lowe, I. J. and Gade, S.: Density-Matrix Derivation of the Spin-Diffusion Equation, Phys. Rev., 156, 817–825, https://doi.org/10.1103/PhysRev.156.817, 1967.
Maly, T., Debelouchina, G. T., Bajaj, V. S., Hu, K.-N., Joo, C.- G., Mak-Jurkauskas, M. L., Sirigiri, J. R., van der Wel, P. C., Herzfeld, J., Temkin, R. J., and Griffin, R. G.: Dynamic nu- clear polarization at high magnetic fields, J. Chem. Phys., 128, 052211, https://doi.org/10.1063/1.2833582, 2008.
Mehring, M.: Principles of High Resolution NMR in Solids, Springer, Berlin, Heidelberg, Germany, 344 pp., https://doi.org/10.1007/978-3-642-68756-3, 1983.
Mindarava, Y. L., Blinder, R., Liu, Y., Scheuer, J., Lang, J., Agafonov, V. N., Davydov, V. A., Laube, C., Knolle, W., Abel, B., Naydenov, B., and Jelezko, F.: Synthesis and coher- ent properties of 13C enriched sub-micron diamond particles with nitrogen vacancy color centers, Carbon, 165, 395–403, https://doi.org/10.1016/j.carbon.2020.04.071, 2020.
Negoro, M., Nakayama, K., Tateishi, K., Kagawa, A., Takeda, K., and Kitagawa, M.: 2H-decoupling-accelerated 1H spin diffusion in dynamic nuclear polarization with photoexcited triplet electrons, J. Chem. Phys., 133, 154504, https://doi.org/10.1063/1.3493453, 2010.
Negoro, M., Kagawa, A., Tateishi, K., Tanaka, Y., Yuasa, T., Takahashi, K., and Kitagawa, M.: Dissolution dynamic nuclear polarization at room temperature using photoex- cited triplet electrons, J. Phys. Chem. A, 122, 4294–4297, https://doi.org/10.1021/acs.jpca.8b01415, 2018.
Nelson, S. J., Kurhanewicz, J., Vigneron, D. B., Larson, P. E., Harzstark, A. L., Ferrone, M., Van Criekinge, M., Chang, J. W., Bok, R., Park, I., Reed, G., Carvajal, L., Small, E. J., Munster, P., Weinberg, V. K., Ardenkjaer-Larsen, J. H., Chen, A. P., Hurd, R. E., Odegardstuen, L.-I., Robb, F. J., Tropp, J., and Murray, J. A.: Metabolic imaging of patients with prostate cancer using hy- perpolarized [1 13C] pyruvate, Sci. Transl. Med., 5, 198ra108, https://doi.org/10.1126/scitranslmed.3006070, 2013.
Nishimura, K., Kouno, H., Tateishi, K., Uesaka, T., Ideta, K., Kimizuka, N., and Yanai, N.: Triplet dynamic nuclear polarization of nanocrystals dispersed in water at room temperature, Phys. Chem. Chem. Phys., 21, 16408–16412, https://doi.org/10.1039/c9cp03330k, 2019.
Nishimura, K., Kouno, H., Kawashima, Y., Orihashi, K., Fujiwara, S., Tateishi, K., Uesaka, T., Kimizuka, N., and Yanai, N.: Materials chemistry of triplet dynamic nuclear polarization, Chem. Commun., 56, 7217–7232. https://doi.org/10.1039/D0CC02258F, 2020.
Overhauser, A. W.: Polarization of Nuclei in Metals, Phys. Rev., 92, 411–415, https://doi.org/10.1103/PhysRev.92.411, 1953.
Parker, A. J., Jeong, K., Avalos, C. E., Hausmann, B. J., Vassil- iou, C. C., Pines, A., and King, J. P.: Optically pumped dynamic nuclear hyperpolarization in 13C-enriched diamond, Phys. Rev.
B, 100, 041203, https://doi.org/10.1103/PhysRevB.100.041203,
2019.
Peng, W. K., Takeda, K., and Kitagawa, M.: A new technique for cross polarization in solid-state NMR compatible with high spin-
48 K. Miyanishi et al.: Room-temperature hyperpolarization: pentacene or NV center in diamond? ning frequencies and high magnetic fields, Chem. Phys. Lett., 417, 58–62, https://doi.org/10.1016/j.cplett.2005.10.012, 2006.
Rogers, L., Armstrong, S., Sellars, M., and Manson, N.: In- frared emission of the NV centre in diamond: Zeeman and uniaxial stress studies, New J. Phys., 10, 103024, https://doi.org/10.1088/1367-2630/10/10/103024, 2008.
Scheuer, J., Schwartz, I., Chen, Q., Schulze-Sünninghausen, D., Carl, P., Höfer, P., Retzker, A., Sumiya, H., Isoya, J., Luy, B., Plenio, M. B., Naydenov, B., and Jelezko, F.: Optically induced dynamic nuclear spin polarisation in diamond, New J. Phys., 18, 013040, https://doi.org/10.1088/1367-2630/18/1/013040, 2016.
Segawa, T. F. and Shames, A. I.: How to Identify, At- tribute, and Quantify Triplet Defects in Ensembles of Small Nanoparticles, J. Phys. Chem. Lett., 11, 7438–7442, https://doi.org/10.1021/acs.jpclett.0c01922, 2020.
Segawa, T. F., Doll, A., Pribitzer, S., and Jeschke, G.: Copper ESEEM and HYSCORE through ultra-wideband chirp EPR spectroscopy, J. Chem. Phys., 143, 044201, https://doi.org/10.1063/1.4927088, 2015.
Sosnovsky, D. V. and Ivanov, K. L.: Magnetic field depen- dence of triplet-state ONP: theoretical analysis in terms of level anti-crossings, Mol. Phys., 117, 2740–2755, https://doi.org/10.1080/00268976.2018.1504996, 2019.
Stehlik, D. and Vieth, H.-M.: Time evolution of electron-nuclear cross-polarization in radiofrequency induced optical nuclear spin polarization, in: Pulsed Magnetic Resonance: NMR, ESR, and Optics: A Recognition of Hahn, E. L., edited by: Bagguley,
D. M. S., Oxford University Press, Oxford, UK, 446–477, 1992. Stoll, S. and Schweiger, A.: EasySpin, a comprehensive software package for spectral simulation and analysis in EPR, J. Magn. Reson., 178, 42–55, https://doi.org/10.1016/j.jmr.2005.08.013, 2006.
Takeda, K.: Triplet State Dynamic Nuclear Polarization: Basics, Concepts, Methods, VDM Verlag Dr. Mueller, Saarbrücken, Ger- many, 172 pp., 2009.
Takeda, K., Takegoshi, K., and Terao, T.: Dynamic nu- clear polarization by photoexcited-triplet electron spins in polycrystalline samples, Chem. Phys. Lett., 345, 166–170, https://doi.org/10.1016/S0009-2614(01)00840-5, 2001.
Tateishi, K., Negoro, M., Nishida, S., Kagawa, A., Morita, Y., and Kitagawa, M.: Room temperature hyperpolarization of nu- clear spins in bulk, P. Natl. Acad. Sci. USA, 111, 7527–7530, https://doi.org/10.1073/pnas.1315778111, 2014.
Tateishi, K., Negoro, M., Nonaka, H., Kagawa, A., Sando, S., Wada, S., Kitagawa, M., and Uesaka, T.: Dynamic nu- clear polarization with photo-excited triplet electrons using 6,13 diphenylpentacene, Phys. Chem. Chem. Phys., 21, 19737–19741, https://doi.org/10.1039/C9CP00977A, 2019.
Terada, D., Segawa, T. F., Shames, A. I., Onoda, S., Ohshima, T., Osawa, E., Igarashi, R., and Shirakawa, M.: Monodis- perse Five-Nanometer-Sized Detonation Nanodiamonds En- riched in Nitrogen-Vacancy Centers, ACS Nano, 13, 6461–6468, https://doi.org/10.1021/acsnano.8b09383, 2019.
Thiering, G. and Gali, A.: Theory of the optical spin-polarization loop of the nitrogen-vacancy center in diamond, Phys. Rev. B, 98, 085207, https://doi.org/10.1103/PhysRevB.98.085207, 2018. van Kesteren, H. W., Wenckebach, W. T., Schmidt, J., and Poulis, N.: Dynamic nuclear polarization of proton spins via pho- toexcited triplet states: the system phenanthrene in fluorene, Chem. Phys. Lett., 89, 67–70, https://doi.org/10.1016/0009-2614(82)83344-7, 1982.
van Kesteren, H. W., Wenckebach, W. T., and Schmidt, J.: Pro- duction of High, Long-Lasting, Dynamic Proton Polarization by Way of Photoexcited Triplet States, Phys. Rev. Lett., 55, 1642– 1644, https://doi.org/10.1103/PhysRevLett.55.1642, 1985.
Wenckebach, W. T.: Essentials of dynamic nuclear polariza- tion, Spindrift Publications, Burgh-Haamstede, The Netherlands, 296 pp., 2016.
Wrachtrup, J., von Borczyskowski, C., Bernard, J., Or- rit, M., and Brown, R.: Optical detection of magnetic resonance in a single molecule, Nature, 363, 244–245, https://doi.org/10.1038/363244a0, 1993.
Yap, Y. S., Tabuchi, Y., Negoro, M., Kagawa, A., and Kitagawa, M.: A Ku band pulsed electron paramagnetic resonance spectrome- ter using an arbitrary waveform generator for quantum control experiments at millikelvin temperatures, Rev. Sci. Instrum., 86, 063110, https://doi.org/10.1063/1.4922791, 2015.
Yu, H.-L., Lin, T.-S., Weissman, S., and Sloop, D. J.: Time resolved studies of pentacene triplets by electron spin echo spectroscopy,
J. Chem. Phys., 80, 102–107, https://doi.org/10.1063/1.446491, 1984.
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