Phthalocyanine based molecular spintronic devices

被引：42

作者：

Barraud, C. ^{[1
,2
]}

Bouzehouane, K. ^{[1
]}

Deranlot, C. ^{[1
]}

Kim, D. J. ^{[3
]}

Rakshit, R. ^{[3
]}

Shi, S. ^{[3
]}

Arabski, J. ^{[3
]}

Bowen, M. ^{[3
]}

Beaurepaire, E. ^{[3
]}

Boukari, S. ^{[3
]}

Petroff, F. ^{[1
]}

Seneor, P. ^{[1
]}

Mattana, R. ^{[1
]}

机构：

[1] Univ Paris Saclay, Univ Paris Sud, CNRS, Unite Mixte Phys,Thales, F-91767 Palaiseau, France

[2] Univ Paris Diderot, Sorbonne Paris Cite, Lab Mat & Phenomenes Quant, MPQ,CNRS,UMR 7162, F-75205 Paris 13, France

[3] Univ Strasbourg, CNRS, UMR 7504, IPCMS, 23 Rue Loess,BP 43, F-67034 Strasbourg, France

来源：

DALTON TRANSACTIONS | 2016年 / 45卷 / 42期

关键词：

SINGLE-MOLECULE; ROOM-TEMPERATURE; GIANT MAGNETORESISTANCE; ORGANIC SEMICONDUCTORS; SPIN POLARIZATION; INJECTION; SPINTERFACE; ANISOTROPY; INTERFACE; COMPLEXES;

D O I：

10.1039/c6dt02467j

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Molecular spintronics is an effervescent field of research, which aims at combining spin physics and molecular nano-objects. In this article, we show that phthalocyanine molecules integrated in magnetic tunnel junctions (MTJs) can lead to magnetoresistance effects of different origins. We have investigated cobalt and manganese phthalocyanine molecule based magnetic tunnel junctions. CoPc MTJs exhibit both tunneling magnetoresistance (TMR) and tunneling anisotropic magnetoresistance (TAMR) effects of similar magnitude. However, for MnPc MTJs, a giant TAMR dominates with ratios up to ten thousands of percent. Strong features visible in the conductance suggest that spin-flip inelastic electron tunneling processes occur through the Mn atomic chain formed by the MnPc stacks. These results show that metallo-organic molecules could be used as a template to connect magnetic atomic chains or even a single magnetic atom in a solid-state device.

引用

收藏

页码：16694 / 16699

页数：6

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