Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Moeta, P."'
Autor:
Ogawa, Kensuke, Tsukamoto, Moeta, Mori, Yusuke, Takafuji, Daigo, Shiogai, Junichi, Ueda, Kohei, Matsuno, Jobu, Sasaki, Kento, Kobayashi, Kensuke
Imaging spin-wave propagation in magnetic materials in a wide frequency range is crucial for understanding and applying spin-wave dynamics. Recently, nitrogen-vacancy (NV) centers in diamond have attracted attention as sensors capable of quantitative
Externí odkaz:
http://arxiv.org/abs/2411.17344
Autor:
Gu, Hao, Tsukamoto, Moeta, Nakamura, Yuki, Nakaharai, Shu, Iwasaki, Takuya, Watanabe, Kenji, Taniguchi, Takashi, Ogawa, Shinichi, Morita, Yukinori, Sasaki, Kento, Kobayashi, Kensuke
Publikováno v:
Physical Review Applied 22 (5), 054026 (2024)
The nanosized boron vacancy ($V_\mathrm{B}^-$) defect spot in hexagonal boron nitride ($h$-BN) is promising for a local magnetic field quantum sensor. One of its advantages is that a helium-ion microscope can make a spot at any location in an $h$-BN
Externí odkaz:
http://arxiv.org/abs/2411.10717
Autor:
Tsukamoto, Moeta, Xu, Zhewen, Higo, Tomoya, Kondou, Kouta, Sasaki, Kento, Asakura, Mihiro, Sakamoto, Shoya, Gambardella, Pietro, Miwa, Shinji, Otani, YoshiChika, Nakatsuji, Satoru, Degen, Christian L., Kobayashi, Kensuke
Spin chirality in antiferromagnets offers new opportunities for spintronics. The kagome antiferromagnet Mn3Sn is a paradigmatic material in which the antiferromagnetic order parameter can be detected and controlled by electrical means. However, direc
Externí odkaz:
http://arxiv.org/abs/2410.23607
Quantum diamond microscopy (QDM), which employs nitrogen-vacancy (NV) center ensembles, is a promising approach to quantitatively imaging magnetic fields with both high resolution that approaches the diffraction limit and a wide field of view. The co
Externí odkaz:
http://arxiv.org/abs/2402.14422
Autor:
Ito, Shuji, Tsukamoto, Moeta, Ogawa, Kensuke, Teraji, Tokuyuki, Sasaki, Kento, Kobayashi, Kensuke
Publikováno v:
Journal of the Physical Society of Japan 92 (8), 084701 (2023)
Nitrogen-vacancy (NV) centers in diamonds are a powerful tool for accurate magnetic field measurements. The key is precisely estimating the field-dependent splitting width of the optically detected magnetic resonance (ODMR) spectra of the NV centers.
Externí odkaz:
http://arxiv.org/abs/2307.04414
Autor:
Sasaki, Kento, Nakamura, Yuki, Gu, Hao, Tsukamoto, Moeta, Nakaharai, Shu, Iwasaki, Takuya, Watanabe, Kenji, Taniguchi, Takashi, Ogawa, Shinichi, Morita, Yukinori, Kobayashi, Kensuke
Publikováno v:
Appl. Phys. Lett. 122, 244003 (2023)
Placing a sensor close to the target at the nano-level is a central challenge in quantum sensing. We demonstrate high-spatial-resolution magnetic field imaging with a boron vacancy (V$_\text{B}^-$) defects array in hexagonal boron nitride with a few
Externí odkaz:
http://arxiv.org/abs/2301.12645
Precise measurement of temperature distribution and thermal behavior in microscopic regions is critical in many research fields. We demonstrate lock-in thermography using nitrogen-vacancy centers in diamond nanoparticles. We successfully visualize th
Externí odkaz:
http://arxiv.org/abs/2212.07616
Autor:
Tsukamoto, Moeta, Ito, Shuji, Ogawa, Kensuke, Ashida, Yuto, Sasaki, Kento, Kobayashi, Kensuke
Local detection of magnetic fields is crucial for characterizing nano- and micro-materials and has been implemented using various scanning techniques or even diamond quantum sensors. Diamond nanoparticles (nanodiamonds) offer an attractive opportunit
Externí odkaz:
http://arxiv.org/abs/2202.00380
Autor:
Mamiki Ramokopelwa, Mabitja Moeta
Publikováno v:
Health SA Gesondheid: Journal of Interdisciplinary Health Sciences, Vol 29, Iss 0, Pp e1-e12 (2024)
Background: The operating theatre (OT) complex of hospitals represents areas of considerable expenditure with regard to costs and requires maximum use to ensure optimum cost benefit for both patients and the hospital. Inefficient use of an operating
Externí odkaz:
https://doaj.org/article/a51466cd54e044e09971fac4aa748493
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