Room Temperature Magnetic Detection of Spin Switching in Nanosized Spin‐Crossover Materials

Hung, Tran Quang; Terki, F.; Kamara, Souleymane; Dehbaoui, Mourad; Charar, S.; Sinha, Brajalal; Kim, CheolGi; Gandit, P.; Gural'skiy, Il’ya A.; Molnár, Gábor; Salmon, Lionel; Shepherd, Helena J.; Bousseksou, Azzedine

doi:10.1002/anie.201205952

Cited by 38 publications

(14 citation statements)

References 17 publications

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“…Thus, it is reasonably acceptable to discriminate the molecular heterogeneity in a few hundred copies. However, it is challenging to detect a single molecule even though a planar Hall resistive sensor demonstrated magnetic moment resolution as low as 10 −13 emu [195].…”

Section: Advances In Science and Technology To Meet Challengesmentioning

confidence: 99%

The 2017 Magnetism Roadmap

Sander

Valenzuela

Makarov

et al. 2017

J. Phys. D: Appl. Phys.

324

207

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Building upon the success and relevance of the 2014 Magnetism Roadmap, this 2017 Magnetism Roadmap edition follows a similar general layout, even if its focus is naturally shifted, and a different group of experts and, thus, viewpoints are being collected and presented. More importantly, key developments have changed the research landscape in very relevant ways, so that a novel view onto some of the most crucial developments is warranted, and thus, this 2017 Magnetism Roadmap article is a timely endeavour. The change in landscape is hereby not exclusively scientific, but also reflects the magnetism related industrial application portfolio. Specifically, Hard Disk Drive technology, which still dominates digital storage and will continue to do so for many years, if not decades, has now limited its footprint in the scientific Topical ReviewOriginal content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. and research community, whereas significantly growing interest in magnetism and magnetic materials in relation to energy applications is noticeable, and other technological fields are emerging as well. Also, more and more work is occurring in which complex topologies of magnetically ordered states are being explored, hereby aiming at a technological utilization of the very theoretical concepts that were recognised by the 2016 Nobel Prize in Physics.Given this somewhat shifted scenario, it seemed appropriate to select topics for this Roadmap article that represent the three core pillars of magnetism, namely magnetic materials, magnetic phenomena and associated characterization techniques, as well as applications of magnetism. While many of the contributions in this Roadmap have clearly overlapping relevance in all three fields, their relative focus is mostly associated to one of the three pillars. In this way, the interconnecting roles of having suitable magnetic materials, understanding (and being able to characterize) the underlying physics of their behaviour and utilizing them for applications and devices is well illustrated, thus giving an accurate snapshot of the world of magnetism in 2017.The article consists of 14 sections, each written by an expert in the field and addressing a specific subject on two pages. Evidently, the depth at which each contribution can describe the subject matter is limited and a full review of their statuses, advances, challenges and perspectives cannot be fully accomplished. Also, magnetism, as a vibrant research field, is too diverse, so that a number of areas will not be adequately represented here, leaving space for further Roadmap editions in the future. However, this 2017 Magnetism Roadmap article can provide a frame that will enable the reader to judge where each subject and magnetism research field stands overall today and which directions it might take in the foreseeable future.The first mater...

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Section: Advances In Science and Technology To Meet Challengesmentioning

confidence: 99%

The 2017 Magnetism Roadmap

Sander

Valenzuela

Makarov

et al. 2017

J. Phys. D: Appl. Phys.

324

207

View full text Add to dashboard Cite

show abstract

“…3) has been proposed by some of us to detect the spin transition near room temperature with a detection limit (in terms of particle volume) of 2 Â 10 À6 mm 3 . 35 A roadmap for single nanoparticle detection, using a high sensitivity MR sensor, hybriding both the anisotropic magneto-resistive and planar Hall effects, has been also proposed.…”

Section: Single Object Studiesmentioning

confidence: 99%

Emerging properties and applications of spin crossover nanomaterials

Molnár¹,

Salmon²,

Nicolazzi³

et al. 2014

J. Mater. Chem. C

Self Cite

164

108

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“…Spin-crossover nanoparticles of [Fe(hptrz) 3 ](OTs) 2 (hptrz = 4-heptyl-1,2,4-triazole, OTs = p-toluenesulfonyl) were employed as sensors for a high sensitivity magnetometer due to the change in the voltage due to the spin transition. 107 The device shows a large detection capability because of a limit of detection of 2 Â 10 À6 mm 3 for the size of spin-crossover compound and the goal should be the detection of the properties of a single nanoparticle.…”

Section: Charge Transport Properties Of Spin-crossover Systemsmentioning

confidence: 99%

Charge transport properties of spin crossover systems

Ruiz

2014

Phys. Chem. Chem. Phys.

113

106

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The study of spin crossover compounds by means of theoretical or experimental approaches has provided interesting results in recent decades. The main feature of such compounds is the change in the spin state induced by many different external stimuli, i.e. temperature, light, pressure, solvent coordination and the electric field. Spin crossover systems are potentially more useful than other magnetic molecules because their switching behaviour can occur closer to room temperature, and they are thus candidates for use in spintronic devices. Here, I review the state of the art in quantum chemical approaches to the study of such systems and discuss experiments that have focused on transport properties in single-molecule, nano-objects or thin-film spin crossover systems.

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Room Temperature Magnetic Detection of Spin Switching in Nanosized Spin‐Crossover Materials

Cited by 38 publications

References 17 publications

The 2017 Magnetism Roadmap

The 2017 Magnetism Roadmap

Emerging properties and applications of spin crossover nanomaterials

Charge transport properties of spin crossover systems

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