High-field phase diagram of the heavy-fermion metal 
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: Pulsed-field NMR study on single crystals up to 56 T

Tokunaga, Y.; Orlova, Anna; Bruyant, Nicolas; Aoki, Dai; Mayaffre, H.; Krämer, Steffen; Julien, M.-H.; Berthier, C.; Horvatić, M.; Higa, Naomi; Hattori, T.; Sakai, Hironori; Kambe, S.; Sheikin, I.

doi:10.1103/physrevb.99.085142

Cited by 7 publications

(4 citation statements)

References 25 publications

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“…In the previous pulse-field NMR studies, only the field-sweep experiment was performed. 14,[16][17][18] Here we adopt both modes using the dynamically controlled field pulse.…”

Section: Nmr Spectrum Measurement For Broad Spectrummentioning

confidence: 99%

“…The field-sweep experiment has been already realized with the field pulse without the PID feedback control. 14,[16][17][18] However, the relative NMR intensity is modified by the continuously changing sweep rate for the half-sinusoidal fieldpulse profile. Here, we sweep the magnetic fields by changing the target field at a constant rate during the PID control (slope-top pulse).…”

Section: B Field-sweep Mode With Slope-top Pulsementioning

confidence: 99%

“…Nevertheless several trials have been performed [11][12][13][14][15][16] and high quality results are available recently. 17,18 So far, it was only possible to perform the field-sweep NMR spectrum measurement since the field pulses generated by the passive LCR circuits were not under control. To extract other physical quantities, such as nuclear spin-lattice relaxation rate 1/T 1 , from the pulse-field NMR experiment, the field pulse should be dynamically controlled (Fig.…”

Section: Introductionmentioning

confidence: 99%

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NMR measurements in dynamically controlled field pulse

Ihara,

Hayashi,

Kanda

et al. 2021

Preprint

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We present the architecture of the versatile NMR spectrometer with software-defined radio (SDR) technology and its application to the dynamically controlled pulsed magnetic fields. The pulse-field technology is the only solution to access magnetic fields greater than 50 T, but the NMR experiment in the pulsed magnetic field was difficult because of the continuously changing field strength. The dynamically controlled field pulse allows us to perform NMR experiment in a quasi-steady field condition by creating a constant magnetic field for a short time around the peak of the field pulse. We confirmed the reproducibility of the field pulses using the NMR spectroscopy as a high precision magnetometer. With the highly reproducible field strength we succeeded in measuring the nuclear spin-lattice relaxation rate 1/T 1 , which had never been measured by the pulse-field NMR experiment without dynamic field control. We also implement the NMR spectrum measurement with both the frequency-sweep and field-sweep modes and discuss the appropriate choice of these modes depending on the magnetic properties of sample to be measured. This development, with further improvement at a long-duration field pulse, will innovate the microscopic measurement in extremely high magnetic fields.

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“…In the previous pulse-field NMR studies, only the field-sweep experiment was performed. 14,[16][17][18] Here we adopt both modes using the dynamically controlled field pulse.…”

Section: Nmr Spectrum Measurement For Broad Spectrummentioning

confidence: 99%

Section: B Field-sweep Mode With Slope-top Pulsementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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NMR measurements in dynamically controlled field pulse

Ihara,

Hayashi,

Kanda

et al. 2021

Preprint

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“…中国科学: 物理学力学天文学 2021 年第 51 卷第 4 期 047408-3 现象: 二维电子气的分数霍尔效应 [3] . [8,9] , 之后随着核磁共振系统的进一步优化, 科研人员有望可以实现更高磁场的核磁共振测量. 图4 (网络版彩图) 3组射频脉冲以及随后的spin echo信号 [7] .…”

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Recent progress in NMR studies on high-<italic>T</italic><sub>c</sub> superconductors

Zhou¹,

Wu²

2021

Sci. Sin.-Phys. Mech. Astron.

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As an important spectroscopy research technique, nuclear magnetic resonance (NMR) has played an important role in exploring the mechanism of high-temperature superconducting pairing. In the past decade, due to the discovery of ironbased high-temperature superconductors and the development of high magnetic field NMR technology, NMR studies on high-temperature superconductivity have made great progress, which has strongly promoted the research on the pairing mechanism. In this review, we will give an overview of the latest research progress of NMR studies on two hightemperature superconducting families, copper-oxide high-temperature superconductors and iron-based high-temperature superconductors. We hope this can provide some insights and stimulate more theoretical and experimental researches on understanding the high-T c superconductors. high-T c superconductors, nuclear magnetic resonance, iron-based supercoductors, copper-oxide superconductors, high magnetic field

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Pulsed-field nuclear magnetic resonance: Status and prospects

Liu

Luo

et al. 2021

Matter and Radiation at Extremes

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High-magnetic-field nuclear magnetic resonance (NMR) has manifested itself as an indispensable tool in modern scientific research in the fields of physics, chemistry, materials science, biology, and medicine, among others, owing to its great advantages in both measurement sensitivity and quantum controllability. At present, the use of pulsed fields is the only controllable and nondestructive way to generate high magnetic fields of up to 100 T. NMR combined with pulsed fields is therefore considered to have immense potential for application in multiple scientific and technical disciplines. Irrespective of the paramount technical challenges, including short duration of the pulsed fields, unstable plateaus, and poor field homogeneity and reproducibility, great progress has been made in a number of pulsed-field laboratories in Germany, France, and Japan. In this paper, we briefly review the status of the pulsed-field NMR technique, as well as its applications in multiple disciplines. We also discuss future trends with regard to the upgrading of pulsed-field NMR.

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High-field phase diagram of the heavy-fermion metal CeIn3 : Pulsed-field NMR study on single crystals up to 56 T

Cited by 7 publications

References 25 publications

NMR measurements in dynamically controlled field pulse

NMR measurements in dynamically controlled field pulse

Recent progress in NMR studies on high-<italic>T</italic><sub>c</sub> superconductors

Pulsed-field nuclear magnetic resonance: Status and prospects

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High-field phase diagram of the heavy-fermion metal CeIn3 : Pulsed-field NMR study on single crystals up to 56 T

Cited by 7 publications

References 25 publications

NMR measurements in dynamically controlled field pulse

NMR measurements in dynamically controlled field pulse

Recent progress in NMR studies on high-&lt;italic&gt;T&lt;/italic&gt;&lt;sub&gt;c&lt;/sub&gt; superconductors

Pulsed-field nuclear magnetic resonance: Status and prospects

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Recent progress in NMR studies on high-<italic>T</italic><sub>c</sub> superconductors