Magnetic molecular nanostructures: Design of magnetic molecular materials as monolayers, multilayers and thin films

Coronado, Eugenio; Martí‐Gastaldo, Carlos; Tatay, Sergio

doi:10.1016/j.apsusc.2007.07.083

Cited by 19 publications

(6 citation statements)

References 58 publications

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“…We will do review those specific examples where SMMs have been incorporated and brought to the surface of a thin film. 122,123 A simple and reliable methodology to address individual SMMs on a thin film surface was initially explored by Veciana and co-workers. 81,82,124 A polymeric thin film made from a polycarbonate matrix and the [Mn 12 O 12 (O 2 CC 12 H 9 ) 16 (H 2 O) 4 ] complex was treated with different vapour organic solvents that induced the emergence of a small fraction of clusters on the surface of the film.…”

Section: Polymer Assisted Structuration On Thin Filmsmentioning

confidence: 99%

Advances on structuring, integration and magnetic characterization of molecular nanomagnets on surfaces and devices

2012

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This critical review represents a concise revision of the different experimental approaches so far followed for the structuration of molecular nanomagnets on surfaces, since the first reports on the field more than ten years ago. Afterwards, a presentation of the different experimental approaches followed for their integration in sensors is described. Such work involves mainly two families of sensors and devices, microSQUIDs sensors and three-terminal devices for single-molecule detection. Finally the last section is devoted to a detailed revision of the different experimental techniques that can be used for the magnetic characterization of these systems on surfaces, ranging from magnetic circular dichroism to magnetic force microscopy. The use of these techniques to characterize other nanostructured magnetic materials, such as nanoparticles, is also revised. The aim is to give a broad overview of the last advances achieved with these techniques and their potential and evolution over the next years.

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Section: Polymer Assisted Structuration On Thin Filmsmentioning

confidence: 99%

Advances on structuring, integration and magnetic characterization of molecular nanomagnets on surfaces and devices

2012

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“…For this reason, it is essential that the incorporation of SMMs into devices be accompanied by detailed investigations on their stability in environments other than bulk crystals (e.g., metal surfaces). Recent excellent review articles are available that deal with various aspects of the organization of SMMs on surfaces. − We will herein adopt a slightly different approach, trying to review the most recent literature on magnetic molecules for spintronics rather than focusing on the specific subject of SMMs. We will stress also the many difficulties, which have not yet been definitively overcome, concerning chemical stability and structural intactness during deposition and device fabrication.…”

Section: Introductionmentioning

confidence: 99%

Organizing and Addressing Magnetic Molecules

et al. 2009

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Magnetic molecules ranging from simple organic radicals to single-molecule magnets (SMMs) are intensively investigated for their potential applications in molecule-based information storage and processing. The goal of this Article is to review recent achievements in the organization of magnetic molecules on surfaces and in their individual probing and manipulation. We stress that the inherent fragility and redox sensitivity of most SMM complexes, combined with the noninnocent role played by the substrate, ask for a careful evaluation of the structural and electronic properties of deposited molecules going beyond routine methods for surface analysis. Detailed magnetic information can be directly obtained using X-ray magnetic circular dichroism or newly emerging scanning probe techniques with magnetic detection capabilities.

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“…Ensemble-detected magnetic resonances have proven to be an invaluable tool in the determination of structural properties of molecules. , However, these techniques lack the necessary sensitivity to provide specific chemical information on the nanometer scale. Emerging areas of magnetosurface chemistry require specific structural and spin dynamics information to be provided on the nanometer scale. − Force detected magnetic resonances have proven the ability to detect single spins and image 3D nanostructures although spatial resolution is limited to 25 nm and the acquisition time is very long. Electron spin noise scanning tunneling microscopy (ESN-STM) has emerged as a possible local probe for both electron spin and nuclear spin. − Recent experiments have proven that the technique can provide information on the g factor of organic radicals such as α-γ-bisdiphenylene-β-phenylallyl (BDPA), 1,1-diphenyl-2-picryl-hydrazyl (DPPH) (Figure a,b) and nitroxyl derivatives at the single-molecule level.…”

mentioning

confidence: 99%

Imaging Single Spin Probes Embedded in a Conductive Diamagnetic Layer

Messina

Fradin

2009

Langmuir

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The detection of spin noise by means of scanning tunneling microscopy (STM) has recently been substantially improved by the work presented by Komeda and Manassen (Komeda, T.; Manassen, Y. Appl. Phys. Lett. 2008, 92, 212506). The application of this technique to molecular paramagnets requires the positioning and anchoring of paramagnetic molecules at surfaces. It also requires the possibility of tunneling high current densities into the STM-molecule-substrate tunneling junction. In this letter, we exploit the self-assembly of 1,10-phenantroline on the Au(111) surface to form a diamagnetic matrix that hosts individual molecules and dimers of diphenyl-2-picryl-hydrazyl (DPPH). STM measurements are used to characterize the molecular layer. Electron spin resonance (ESR) measurements elucidate the role of thermal annealing in the preservation of the paramagnetic nature of the DPPH molecules.

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Magnetic molecular nanostructures: Design of magnetic molecular materials as monolayers, multilayers and thin films

Cited by 19 publications

References 58 publications

Advances on structuring, integration and magnetic characterization of molecular nanomagnets on surfaces and devices

Advances on structuring, integration and magnetic characterization of molecular nanomagnets on surfaces and devices

Organizing and Addressing Magnetic Molecules

Imaging Single Spin Probes Embedded in a Conductive Diamagnetic Layer

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