Zobrazeno 1 - 10
of 143
pro vyhledávání: '"Avalos, Claudia"'
Autor:
Pagliero, Daniela, Rao, K. R. Koteswara, Zangara, Pablo R., Dhomkar, Siddharth, Wong, Henry H., Abril, Andrea, Aslam, Nabeel, Parker, Anna, King, Jonathan, Avalos, Claudia E., Ajoy, Ashok, Wrachtrup, Joerg, Pines, Alexander, Meriles, Carlos A.
Publikováno v:
Phys. Rev. B 97, 024422 (2018)
One of the most remarkable properties of the nitrogen-vacancy (NV) center in diamond is that optical illumination initializes its electronic spin almost completely, a feature that can be exploited to polarize other spin species in their proximity. He
Externí odkaz:
http://arxiv.org/abs/1711.07576
Autor:
Parker, Anna J., Jeong, Keunhong, Avalos, Claudia E., Hausmann, Birgit J. M., Vassiliou, Christophoros C., Pines, Alexander, King, Jonathan P.
Publikováno v:
Phys. Rev. B 100, 041203 (2019)
We investigate nuclear spin hyperpolarization from nitrogen vacancy centers in isotopically enriched diamonds with $^{13}$C concentrations up to 100%. $^{13}$C enrichment leads to hyperfine structure of the nitrogen vacancy electron spin resonance sp
Externí odkaz:
http://arxiv.org/abs/1708.00561
Autor:
King, Jonathan P., Jeong, Keunhong, Vassiliou, Christophoros C., Shin, Chang S., Page, Ralph H., Avalos, Claudia E., Wang, Hai-Jing, Pines, Alexander
We report bulk, room-temperature hyperpolarization of 13C nuclear spins observed via high-field nuclear magnetic resonance (NMR). The hyperpolarization is achieved by optical pumping (OP) of nitrogen vacancy defect centers in diamond accompanied by d
Externí odkaz:
http://arxiv.org/abs/1501.02897
Autor:
Zhang, Jiahuan, Wang, Zaiwei, Mishra, Aditya, Yu, Maolin, Shasti, Mona, Tress, Wolfgang, Kubicki, Dominik Józef, Avalos, Claudia Esther, Lu, Haizhou, Liu, Yuhang, Carlsen, Brian Irving, Agarwalla, Anand, Wang, Zishuai, Xiang, Wanchun, Emsley, Lyndon, Zhang, Zhuhua, Grätzel, Michael, Guo, Wanlin, Hagfeldt, Anders
Publikováno v:
In Joule 15 January 2020 4(1):222-234
Autor:
Shin, Chang S., Butler, Mark C., Wang, Hai-Jing, Avalos, Claudia E., Seltzer, Scott J., Liu, Ren-Bao, Pines, Alexander, Bajaj, Vikram S.
Publikováno v:
Phys Rev B. 89. 205202 (2014)
We report sensitive detection of the nuclear quadrupolar interaction of the 14N nuclear spin of the nitrogen-vacancy (NV) center using the electron spin echo envelope modulation technique. We applied a weak transverse magnetic field to the spin syste
Externí odkaz:
http://arxiv.org/abs/1405.0070
Autor:
Wang, Hai-Jing, Shin, Chang S., Seltzer, Scott J., Avalos, Claudia E., Pines, Alexander, Bajaj, Vikram S.
The application of magnetic resonance (MR) spectroscopy at progressively smaller length scales may eventually permit "chemical imaging" of spins at the surfaces of materials and biological complexes. In particular, the negatively charged nitrogen-vac
Externí odkaz:
http://arxiv.org/abs/1312.6313
Autor:
Shin, Chang S., Avalos, Claudia E., Butler, Mark C., Wang, Hai-Jing, Seltzer, Scott J., Liu, Ren-Bao, Pines, Alexander, Bajaj, Vikram S.
Publikováno v:
Phys. Rev. B 88, 161412(R) (2013) [5 pages]
We demonstrate that the spin decoherence of nitrogen vacancy (NV) centers in diamond can be suppressed by a transverse magnetic field if the electron spin bath is the primary decoherence source. The NV spin coherence, created in "a decoherence-free s
Externí odkaz:
http://arxiv.org/abs/1309.4530
Autor:
Wang, Hai-Jing, Shin, Chang S., Avalos, Claudia E., Seltzer, Scott J., Budker, Dmitry, Pines, Alexander, Bajaj, Vikram S.
Dynamic nuclear polarisation, which transfers the spin polarisation of electrons to nuclei, is routinely applied to enhance the sensitivity of nuclear magnetic resonance; it is also critical in spintronics, particularly when spin hyperpolarisation ca
Externí odkaz:
http://arxiv.org/abs/1212.0035
Autor:
Shin, Chang S., Avalos, Claudia E., Butler, Mark C., Trease, David R., Seltzer, Scott J., Mustonen, J. Peter, Kennedy, Daniel J., Acosta, Victor M., Budker, Dmitry, Pines, Alexander, Bajaj, Vikram S.
We operate a nitrogen vacancy (NV-) diamond magnetometer at ambient temperatures and study the dependence of its bandwidth on experimental parameters including optical and microwave excitation powers. We introduce an analytical theory that yields an
Externí odkaz:
http://arxiv.org/abs/1201.3152
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