Off-resonant manipulation of spins in diamond via precessing magnetization of a proximal ferromagnet

Wolfe, Christopher; Bhallamudi, Vidya; Wang, H. L.; Du, Chunhui; Manuilov, Sergei A.; Teeling-Smith, Richelle M.; Berger, Andrew; Adur, Rohan; Yang, Fengyuan; Hammel, P. C.

doi:10.1103/physrevb.89.180406

Cited by 67 publications

(76 citation statements)

References 33 publications

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“…Compared to the existing schemes that use the quantum nature of an intermediate spin for improving sensitivity, 18 we stress that our scheme is fully classical and thus should be easily realizable at room temperature-all the ingredients of our scheme are already demonstrated in separate experiments. 10,28,39,40 An alternative setup to achieve resonance between the qubit and FM is to place the NV-center and the FM on a cantilever 41 with resonance frequency in the GHz range. By driving the cantilever, we alleviate the necessity of driving the qubit at FMR frequency as the qubit field is modulated by the oscillations of the cantilever.…”

Section: Discussionmentioning

confidence: 99%

High-efficiency resonant amplification of weak magnetic fields for single spin magnetometry at room temperature

et al. 2015

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We demonstrate theoretically that by placing a ferromagnetic particle between a nitrogen-vacancy (NV) magnetometer and a target spin, the magnetometer sensitivity is increased dramatically. Specifically, using materials and techniques already experimentally available, we find that by taking advantage of the ferromagnetic resonance the minimum magnetic moment that can be measured is smaller by four orders of magnitude in comparison to current state-of-the-art magnetometers. As such, our proposed setup is sensitive enough to detect a single nuclear spin at a distance of 30 nm from the surface within less than one second of data acquisition at room temperature. Our proposal opens the door for nanoscale NMR on biological material under ambient conditions.

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Section: Discussionmentioning

confidence: 99%

High-efficiency resonant amplification of weak magnetic fields for single spin magnetometry at room temperature

et al. 2015

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“…centers' ODMR spectrum 16,18 ascribed to the shortening of the NV center longitudinal spin coherence time (T 1 ) caused by the broadband magnetic field noise introduced by the excited spin waves. Because of the extensive quenching effect on the spin coherence of the NV centers, it is not possible to isolate the effect of resonant interactions between the SWs and the spin qubits at this microwave power level.…”

Section: Mw 4 Mwmentioning

confidence: 99%

“…13,14 In particular, a growing body of research has focused on the interplay between the optically addressable nitrogen-vacancy (NV) center in diamond and spin wave (SW) excitations in extended ferromagnetic materials. [15][16][17][18][19] These systems have been proposed, for instance, as a platform to enable long distance coupling between NV centers, 15 by taking advantage of the SW's long damping length and the large interactions achievable through the ferromagnet's (FM) sizeable magnetization.…”

Section: Introductionmentioning

confidence: 99%

“…However, a number of recent works [16][17][18][19][20] revealed that the coherences of NV centers placed in proximity of a FM are strongly quenched by the magnetic field noise generated by driven ferromagnetic resonances. These results are of great interest for the implementation of broadband magnetic field sensing and for the study of the spin properties of ferromagnetic systems, but also suggest that incoherent mechanisms dominate the SW-NV center coupling.…”

Section: Introductionmentioning

confidence: 99%

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Long-range spin wave mediated control of defect qubits in nanodiamonds

et al. 2017

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Hybrid architectures that combine nitrogen-vacancy centers in diamond with other materials and physical systems have been proposed to enhance the nitrogen-vacancy center's capabilities in many quantum sensing and information applications. In particular, spin waves in ferromagnetic materials are a promising candidate to implement these platforms due to their strong magnetic fields, which could be used to efficiently interact with the nitrogen-vacancy centers. Here, we develop an yttrium iron garnet-nanodiamond hybrid architecture constructed with the help of directed assembly and transfer printing techniques. Operating at ambient conditions, we demonstrate that surface confined spin waves excited in the ferromagnet can strongly amplify the interactions between a microwave source and the nitrogen-vacancy centers by enhancing the local microwave magnetic field by several orders of magnitude. Crucially, we show the existence of a regime in which coherent interactions between spin waves and nitrogen-vacancy centers dominate over incoherent mechanisms associated with the broadband magnetic field noise generated by the ferromagnet. These accomplishments enable the spin wave mediated coherent control of spin qubits over distances larger than 200 μm, and allow low power operations for future spintronic technologies.

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“…Notably, such long-range dynamic interactions have also been observed between YIG and paramagnetic defects in diamonds, 39 that may extend to hundreds of nm. As also revealed in their experiments, while paramagnetic defects in non-magnetic insulators (for our case, in SiO 2 ) could possibly carry spin-pumped spin currents across the YIG and NiFe layers, this effect is quite unlikely for our case since the YIG/SiO 2 (10 nm)/Pt (20 nm) and YIG/SiO 2 (50 nm)/Pt (20 nm) samples under similar fabrication conditions show no clear voltage peaks in the measured frequency range from 1-5 GHz (Fig.…”

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confidence: 90%

Non-local detection of spin dynamics via spin rectification effect in yttrium iron garnet/SiO2/NiFe trilayers near simultaneous ferromagnetic resonance

2015

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The spin rectification effect (SRE), a phenomenon that generates dc voltages from ac microwave fields incident onto a conducting ferromagnet, has attracted widespread attention due to its high sensitivity to ferromagnetic resonance (FMR) as well as its relevance to spintronics. Here, we report the non-local detection of yttrium iron garnet (YIG) spin dynamics by measuring SRE voltages from an adjacent conducting NiFe layer up to 200 nm thick. In particular, we detect, within the NiFe layer, SRE voltages stemming from magnetostatic surface spin waves (MSSWs) of the adjacent bulk YIG which are excited by a shorted coaxial probe. These non-local SRE voltages within the NiFe layer that originates from YIG MSSWs are present even in 200 nm-thick NiFe films with a 50 nm thick SiO2 spacer between NiFe and YIG, thus strongly ruling out the mechanism of spin-pumping induced inverse spin Hall effect in NiFe as the source of these voltages. This long-range influence of YIG dynamics is suggested to be mediated by dynamic fields generated from YIG spin precession near YIG/NiFe interface, which interacts with NiFe spins near the simultaneous resonance of both spins, to generate a non-local SRE voltage within the NiFe layer.

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Off-resonant manipulation of spins in diamond via precessing magnetization of a proximal ferromagnet

Cited by 67 publications

References 33 publications

High-efficiency resonant amplification of weak magnetic fields for single spin magnetometry at room temperature

High-efficiency resonant amplification of weak magnetic fields for single spin magnetometry at room temperature

Long-range spin wave mediated control of defect qubits in nanodiamonds

Non-local detection of spin dynamics via spin rectification effect in yttrium iron garnet/SiO2/NiFe trilayers near simultaneous ferromagnetic resonance

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