Zobrazeno 1 - 10
of 63
pro vyhledávání: '"Levy, C. D. Philip"'
Autor:
Ticknor, John O., Adelman, Jonah R., Chatzichristos, Aris, Dehn, Martin H., Egoriti, Luca, Fujimoto, Derek, Karner, Victoria L., Kiefl, Robert F., Levy, C. D. Philip, Li, Ruohong, McFadden, Ryan M. L., Morris, Gerald D., Oudah, Mohamed, Stachura, Monika, Thoeng, Edward, MacFarlane, W. Andrew
Publikováno v:
Phys. Rev. B 108, 195437 (2023)
We report $\beta$-detected nuclear magnetic resonance of ultra-dilute $^{8}$Li$^{+}$ implanted in highly oriented pyrolytic graphite (HOPG). The absence of motional narrowing and diffusional spin-lattice relaxation implies Li$^+$ is not appreciably m
Externí odkaz:
http://arxiv.org/abs/2301.07821
Autor:
McFadden, Ryan M. L., Asaduzzaman, Md, Buck, Terry J., Cortie, David L., Dehn, Martin H., Dunsiger, Sarah R., Kiefl, Robert F., Laxdal, Robert E., Levy, C. D. Philip, MacFarlane, W. Andrew, Morris, Gerald D., Pearson, Matthew R., Thoeng, Edward, Junginger, Tobias
Publikováno v:
J. Appl. Phys. 134, 163902 (2023)
We report measurements of the Meissner screening profile in a Nb(300 nm)/Al$_{2}$O$_{3}$ thin film using $^{8}$Li $\beta$-detected nuclear magnetic resonance ($\beta$-NMR). The NMR probe $^{8}$Li was ion-implanted into the Nb film at energies $\leq$
Externí odkaz:
http://arxiv.org/abs/2212.01137
Autor:
Adelman, Jonah R., Fujimoto, Derek, Dehn, Martin H., Dunsiger, Sarah R., Karner, Victoria L., Levy, C. D. Philip, Li, Ruohong, McKenzie, Iain, McFadden, Ryan M. L., Morris, Gerald D., Pearson, Matthew R., Stachura, Monika, Thoeng, Edward, Ticknor, John O., Ohashi, Naoki, Kojima, Kenji M., MacFarlane, W. Andrew
Publikováno v:
Phys Rev. B 106, 035205 (2022)
We report on the stability and magnetic state of ion implanted $^8$Li in single crystals of the semiconductor ZnO using $\beta$-detected nuclear magnetic resonance. At ultradilute concentrations, the spectra reveal distinct Li sites from 7.6 to 400 K
Externí odkaz:
http://arxiv.org/abs/2109.08637
Autor:
McFadden, Ryan M. L., Chatzichristos, Aris, Cortie, David L., Fujimoto, Derek, Hor, Yew San, Ji, Huiwen, Karner, Victoria L., Kiefl, Robert F., Levy, C. D. Philip, Li, Ruohong, McKenzie, Iain, Morris, Gerald D., Pearson, Matthew R., Stachura, Monika, Cava, Robert J., MacFarlane, W. Andrew
Publikováno v:
Phys. Rev. B 102, 235206 (2020)
We report $\beta$-detected nuclear magnetic resonance ($\beta$-NMR) measurements in Bi$_{2}$Se$_{3}$:Ca (BSC) and Bi$_{2}$Te$_{3}$:Mn (BTM) single crystals using $^{8}$Li$^{+}$ implanted to depths on the order of 100 nm. Above $\sim 200$ K, spin-latt
Externí odkaz:
http://arxiv.org/abs/1911.12212
Autor:
Fujimoto, Derek, McFadden, Ryan M. L., Dehn, Martin H., Petel, Yael, Chatzichristos, Aris, Hemmingsen, Lars, Karner, Victoria L., Kiefl, Robert F., Levy, C. D. Philip, McKenzie, Iain, Michal, Carl A., Morris, Gerald D., Pearson, Matthew R., Szunyogh, Daniel, Ticknor, John O., Stachura, Monika, MacFarlane, W. Andrew
Publikováno v:
Chem. Mater. 31, 9346 (2019)
We demonstrate the application of implanted-ion $\beta$-detected NMR as a probe of ionic liquid molecular dynamics through the measurement of $^8$Li spin-lattice relaxation (SLR) and resonance in 1-ethyl-3-methylimidazolium acetate. The motional narr
Externí odkaz:
http://arxiv.org/abs/1907.03684
Autor:
Karner, Victoria L., Chatzichristos, Aris, Cortie, David L., Dehn, Martin H., Foyevtsov, Oleksandr, Foyevtsova, Kateryna, Fujimoto, Derek, Kiefl, Robert F., Levy, C. D. Philip, Li, Ruohong, McFadden, Ryan M. L., Morris, Gerald D., Pearson, Matthew R., Stachura, Monika, Ticknor, John O., Cristiani, Georg, Logvenov, Gennady, Wrobel, Friedrike, Keimer, Bernhard, Zhang, Junjie, Mitchell, John F., MacFarlane, W. Andrew
Publikováno v:
Phys. Rev. B 100, 165109 (2019)
We report $\beta$-detected NMR of ion-implanted $^{8}$Li in a single crystal and thin film of the strongly correlated metal LaNiO$_{3}$. In both samples, spin-lattice relaxation measurements reveal two distinct local metallic environments, as is evid
Externí odkaz:
http://arxiv.org/abs/1906.07878
Autor:
McFadden, Ryan M. L., Chatzichristos, Aris, Chow, Kim H., Cortie, David L., Dehn, Martin H., Fujimoto, Derek, Hossain, Masrur D., Ji, Huiwen, Karner, Victoria L., Kiefl, Robert F., Levy, C. D. Philip, Li, Ruohong, McKenzie, Iain, Morris, Gerald D., Ofer, Oren, Pearson, Matthew R., Stachura, Monika, Cava, Robert J., MacFarlane, W. Andrew
Publikováno v:
Phys. Rev. B 99, 125201 (2019)
We report measurements on the high temperature ionic and low temperature electronic properties of the 3D topological insulator Bi$_2$Te$_2$Se using ion-implanted $^8$Li $\beta$-detected nuclear magnetic relaxation and resonance. With implantation ene
Externí odkaz:
http://arxiv.org/abs/1810.07879
Autor:
McFadden, Ryan M. L., Asaduzzaman, Md, Buck, Terry J., Cortie, David L., Dehn, Martin H., Dunsiger, Sarah R., Kiefl, Robert F., Laxdal, Robert E., Levy, C. D. Philip, MacFarlane, W. Andrew, Morris, Gerald D., Pearson, Matthew R., Thoeng, Edward, Junginger, Tobias
Publikováno v:
Journal of Applied Physics; 10/28/2023, Vol. 134 Issue 16, p1-15, 15p
Autor:
McFadden, Ryan M. L., Buck, Terry J., Chatzichristos, Aris, Chen, Chia-Chin, Cortie, David L., Chow, Kim H., Dehn, Martin H., Karner, Victoria L., Koumoulis, Dimitrios, Levy, C. D. Philip, Li, Chilin, McKenzie, Iain, Merkle, Rotraut, Morris, Gerald D., Pearson, Matthew R., Salman, Zaher, Samuelis, Dominik, Stachura, Monika, Xiao, Jiyu, Maier, Joachim, Kiefl, Robert F., MacFarlane, W. Andrew
Publikováno v:
Chem. Mater. 29, 10187 (2017)
We report measurements of the dynamics of isolated $^{8}$Li$^{+}$ in single crystal rutile TiO$_{2}$ using $\beta$-detected NMR. From spin-lattice relaxation and motional narrowing, we find two sets of thermally activated dynamics: one below 100 K; a
Externí odkaz:
http://arxiv.org/abs/1709.06674
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