Ca3(Ru1-xCrx)2O7: A new paradigm for spin valves
G. Cao, V. Durairaj, S. Chikara, L.E. DeLong, and P. Schlottmann
TL;DR
This paper reports a strong spin valve effect in bulk single crystals of Ca3(Ru1-xCrx)2O7, challenging the traditional thin film requirement and opening new possibilities for practical spintronic devices.
Contribution
It demonstrates a bulk crystal exhibiting a spin valve effect, providing new insights into the physics and potential applications of spin valves beyond thin film structures.
Findings
Strong spin valve effect observed in bulk Ca3(Ru1-xCrx)2O7 crystals
Potential for practical spintronic devices using bulk materials
New understanding of spin valve physics in anisotropic, bilayered crystals
Abstract
The spin valve effect is a quantum phenomenon so far only realized in multilayer thin films or heterostructures. Here we report a strong spin valve effect existing in bulk single crystals of Ca3(Ru1-xCrx)2O7 having an anisotropic, bilayered crystal structure. This discovery opens new avenues to understand the underlying physics of spin valves, and fully realize its potential in practical devices.
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Taxonomy
TopicsAdvanced Condensed Matter Physics · Magnetic and transport properties of perovskites and related materials · Multiferroics and related materials