Journal ArticleDOI
Room temperature optoelectronic devices operating with spin crossover nanoparticles.
Jean-Francois Dayen,Jean-Francois Dayen,Nikita Konstantinov,Marlène Palluel,Marlène Palluel,Nathalie Daro,Bohdan Kundys,Mohamed Soliman,Guillaume Chastanet,Bernard Doudin +9 more
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TLDR
In this paper, the authors show how a graphene underlayer reveals the light-induced heating that triggers a spin transition, paving the way for using these molecules for room temperature optoelectronic applications.Abstract:
Molecular systems can exhibit multi-stimuli switching of their properties, with spin crossover materials having unique magnetic transition triggered by temperature and light, among others. Light-induced room temperature operation is however elusive, as optical changes between metastable spin states require cryogenic temperatures. Furthermore, electrical detection is hampered by the intrinsic low conductivity properties of these materials. We show here how a graphene underlayer reveals the light-induced heating that triggers a spin transition, paving the way for using these molecules for room temperature optoelectronic applications.read more
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Molecular Approach to Engineer Two-Dimensional Devices for CMOS and beyond-CMOS Applications.
TL;DR: In this paper, the authors introduce emerging 2DMs, various classes of macro-molecules, and molecular switches and discuss their relevant properties, and discuss the use of molecules and assemblies thereof to boost the performance of 2D transistors for CMOS applications and to impart diverse functionalities in beyond-CMOS devices.
Journal ArticleDOI
105 K Wide Room Temperature Spin Transition Memory Due to a Supramolecular Latch Mechanism
Maksym Seredyuk,Kateryna O. Znovjyak,Francisco Javier Valverde-Muñoz,Ivan da Silva,M. Carmen Muñoz,Yurii S. Moroz,José Antonio Real +6 more
TL;DR: In this paper , a new discrete FeII neutral complex (FeIIL2]0 (1) based on a novel asymmetric tridentate ligand 2-(5-(3-methoxy-4H-1,2,4-triazol-3-yl)-6-(1H-pyrazol-1-yl))pyridine (L).
Journal ArticleDOI
Strain-Controlled Spin Transition in Heterostructured Metal-Organic Framework Thin Film.
Tomoyuki Haraguchi,Tomoyuki Haraguchi,Kazuya Otsubo,Osami Sakata,Akihiko Fujiwara,Hiroshi Kitagawa +5 more
TL;DR: In this paper, a strain-controlled spin transition in heterostructured metal-organic framework (MOF) thin films has been demonstrated, where the spin transition temperature of Ptpz can be controlled in the temperature range of 300-380 K by fabricating a nanometer-sized thin film with a Nipz buffer layer.
Journal ArticleDOI
Photo-Thermal Switching of Individual Plasmonically Activated Spin Crossover Nanoparticle Imaged by Ultrafast Transmission Electron Microscopy.
Yaowei Hu,Matthieu Picher,Ngoc Minh Tran,Marlène Palluel,Laurentiu Stoleriu,Nathalie Daro,Stéphane Mornet,Cristian Enachescu,Eric Freysz,Florian Banhart,Guillaume Chastanet +10 more
TL;DR: In this paper, the length changes of individual switchable nanoparticles induced thermally by nanosecond laser pulses are compared with time-resolved optical measurements performed on an assembly of these particles.
Journal ArticleDOI
Review of Fe-based spin crossover metal complexes in multiscale device architectures
N. amin,Samia M. Said,M. Mat. Salleh,Amalina M. Afifi,Nik Muhd Jazli Nik Ibrahim,Megat Muhammad Ikhsan Megat Hasnan,Mahmood Tahir,N.Z.I. Hashim +7 more
TL;DR: In this article , the state of the art and configurations of Fe-based spin-crossover (SCO) functional devices on a range of scales are discussed. And a systematic overview in the characteristics of Fe based SCO functional devices and their corresponding performance is provided.
References
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Journal ArticleDOI
Photoinduced Hysteresis of Graphene Field-Effect Transistors Due to Hydrogen-Complexed Defects in Silicon Dioxide.
Guiming Cao,Xiaorong Liu,Yantao Zhang,Weihua Liu,Minming Deng,Guangbing Chen,Guohe Zhang,Quanfu Li,Lemu Girma Beka,Xin Li,Xiaoli Wang +10 more
TL;DR: In this paper, the role of SiO2 dielectric layer on photo-induced hysteresis (PIH) of G-FETs was investigated, and a mechanism of PIH based on proton generation after hole trapping at [O3≡Si−H] was proposed.
Journal ArticleDOI
Tuning graphene transistors through ad hoc electrostatics induced by a nanometer-thick molecular underlayer
Ather Mahmood,Cheol-Soo Yang,Seunghun Jang,Lucie Routaboul,Hyunju Chang,Alessio Ghisolfi,Pierre Braunstein,Laetitia Bernard,Tindara Verduci,Jean-Francois Dayen,Paolo Samorì,Jeong-O Lee,Bernard Doudin +12 more
TL;DR: This study demonstrates that the design and exploitation of ad hoc molecules as an interlayer between a dielectric substrate and graphene represents a powerful tool for tuning the electrical properties of the 2D material.
Journal ArticleDOI
Impact of the spin state switching on the dielectric constant of iron (II) spin crossover nanoparticles
TL;DR: In this article, a simple model was proposed to relate the dielectric constant of spin-crossover nanoparticles to the indices of refraction and the absorption coefficients of solutions containing such nanoparticles.