Nano-imaging of strain-tuned stripe textures in a Mott crystal

Abstract The 4d transition metal perovskites Can+1RunO3n+1 have attracted interest for their strongly interacting electronic phases showing pronounced sensitivity to controllable stimuli like strain, temperature, and even electrical current. Through multi-messenger low-temperature nano-imaging, we r...

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Autores principales:	A. S. McLeod, A. Wieteska, G. Chiriaco, B. Foutty, Y. Wang, Y. Yuan, F. Xue, V. Gopalan, L. Q. Chen, Z. Q. Mao, A. J. Millis, A. N. Pasupathy, D. N. Basov
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Materials of engineering and construction. Mechanics of materials TA401-492 Atomic physics. Constitution and properties of matter QC170-197
Acceso en línea:	https://doaj.org/article/b360aee590d34adc9025d3a9fc89c285
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spelling	oai:doaj.org-article:b360aee590d34adc9025d3a9fc89c2852021-12-02T15:43:23ZNano-imaging of strain-tuned stripe textures in a Mott crystal10.1038/s41535-021-00339-02397-4648https://doaj.org/article/b360aee590d34adc9025d3a9fc89c2852021-05-01T00:00:00Zhttps://doi.org/10.1038/s41535-021-00339-0https://doaj.org/toc/2397-4648Abstract The 4d transition metal perovskites Can+1RunO3n+1 have attracted interest for their strongly interacting electronic phases showing pronounced sensitivity to controllable stimuli like strain, temperature, and even electrical current. Through multi-messenger low-temperature nano-imaging, we reveal a spontaneous striped texture of coexisting insulating and metallic domains in single crystals of the bilayer ruthenate Ca3(TixRu1-x)2O7 across its first-order Mott transition at $$T \approx 95$$ T ≈ 95 K. We image on-demand anisotropic nucleation and growth of these domains under in situ applied uniaxial strain rationalized through control of a spontaneous Jahn-Teller distortion. Our scanning nano-susceptibility imaging resolves the detailed susceptibility of coexisting phases to strain and temperature at the transition threshold. Comparing these nano-imaging results to bulk-sensitive elastoresistance measurements, we uncover an emergent “domain susceptibility” sensitive to both the volumetric phase fractions and elasticity of the self-organized domain lattice. Our combined susceptibility probes afford nano-scale insights into strain-mediated control over the insulator-metal transition in 4d transition metal oxides.A. S. McLeodA. WieteskaG. ChiriacoB. FouttyY. WangY. YuanF. XueV. GopalanL. Q. ChenZ. Q. MaoA. J. MillisA. N. PasupathyD. N. BasovNature PortfolioarticleMaterials of engineering and construction. Mechanics of materialsTA401-492Atomic physics. Constitution and properties of matterQC170-197ENnpj Quantum Materials, Vol 6, Iss 1, Pp 1-10 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Materials of engineering and construction. Mechanics of materials TA401-492 Atomic physics. Constitution and properties of matter QC170-197
spellingShingle	Materials of engineering and construction. Mechanics of materials TA401-492 Atomic physics. Constitution and properties of matter QC170-197 A. S. McLeod A. Wieteska G. Chiriaco B. Foutty Y. Wang Y. Yuan F. Xue V. Gopalan L. Q. Chen Z. Q. Mao A. J. Millis A. N. Pasupathy D. N. Basov Nano-imaging of strain-tuned stripe textures in a Mott crystal
description	Abstract The 4d transition metal perovskites Can+1RunO3n+1 have attracted interest for their strongly interacting electronic phases showing pronounced sensitivity to controllable stimuli like strain, temperature, and even electrical current. Through multi-messenger low-temperature nano-imaging, we reveal a spontaneous striped texture of coexisting insulating and metallic domains in single crystals of the bilayer ruthenate Ca3(TixRu1-x)2O7 across its first-order Mott transition at $$T \approx 95$$ T ≈ 95 K. We image on-demand anisotropic nucleation and growth of these domains under in situ applied uniaxial strain rationalized through control of a spontaneous Jahn-Teller distortion. Our scanning nano-susceptibility imaging resolves the detailed susceptibility of coexisting phases to strain and temperature at the transition threshold. Comparing these nano-imaging results to bulk-sensitive elastoresistance measurements, we uncover an emergent “domain susceptibility” sensitive to both the volumetric phase fractions and elasticity of the self-organized domain lattice. Our combined susceptibility probes afford nano-scale insights into strain-mediated control over the insulator-metal transition in 4d transition metal oxides.
format	article
author	A. S. McLeod A. Wieteska G. Chiriaco B. Foutty Y. Wang Y. Yuan F. Xue V. Gopalan L. Q. Chen Z. Q. Mao A. J. Millis A. N. Pasupathy D. N. Basov
author_facet	A. S. McLeod A. Wieteska G. Chiriaco B. Foutty Y. Wang Y. Yuan F. Xue V. Gopalan L. Q. Chen Z. Q. Mao A. J. Millis A. N. Pasupathy D. N. Basov
author_sort	A. S. McLeod
title	Nano-imaging of strain-tuned stripe textures in a Mott crystal
title_short	Nano-imaging of strain-tuned stripe textures in a Mott crystal
title_full	Nano-imaging of strain-tuned stripe textures in a Mott crystal
title_fullStr	Nano-imaging of strain-tuned stripe textures in a Mott crystal
title_full_unstemmed	Nano-imaging of strain-tuned stripe textures in a Mott crystal
title_sort	nano-imaging of strain-tuned stripe textures in a mott crystal
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/b360aee590d34adc9025d3a9fc89c285
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Nano-imaging of strain-tuned stripe textures in a Mott crystal

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