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An interface modification of LCMO-BTO superlattices was found to massively influence magnetic and magnetotransport properties. Moreover it determines the crystal structure of the manganite layers, changing it from orthorhombic (Pnma) for…

Strongly Correlated Electrons · Physics 2013-05-29 K. Gehrke , V. Moshnyaga , O. I. Lebedev , D. Kirilenko , G. Van Tendeloo , K. Samwer

A number of recent studies indicate that the charge conduction of the LaAlO$_3$/SrTiO$_3$ interface at low temperature is confined to filaments which are linked to structural domain walls in the SrTiO$_3$ with drastic consequences for…

Mesoscale and Nanoscale Physics · Physics 2021-08-25 M. S. Prasad , G. Schmidt

Epitaxial La0.7Sr0.3MnO3 (LSMO) thin films, with different thickness ranging from 20 nm up to 330 nm, were deposited on (100)-oriented strontium titanate (STO) substrates by pulsed laser deposition, and their structure and morphology…

The strongly correlated material La0.7Sr0.3MnO3 (LSMO) exhibits metal-to-insulator and magnetic transition near room temperature. Although the physical properties of LSMO can be manipulated by strain, chemical doping, temperature, or…

Fundamental understanding of interfacial magnetic properties in ferromagnetic heterostructures is essential to utilize ferromagnetic materials for spintronic device applications. In this paper, we investigate the interfacial magnetic and…

Recent reports of superconductivity at KTaO3 (KTO) (110) and (111) interfaces have sparked intense interest due to the relatively high critical temperature as well as other properties that distinguish this system from the more extensively…

Mesoscale and Nanoscale Physics · Physics 2022-10-26 Muqing Yu , Changjiang Liu , Dengyu Yang , Xi Yan , Qianheng Du , Dillon D. Fong , Anand Bhattacharya , Patrick Irvin , Jeremy Levy

Fabricating room-temperature ferromagnetic insulators, which are crucial candidates for next-generation dissipation-free quantum and spintronic devices, remains a significant challenge. In this Letter, we report on the epitaxial synthesis…

Strongly Correlated Electrons · Physics 2026-02-27 Yuhao Hong , Shilin Hu , Ziyue Shen , Chao Deng , Xiaodong Zhang , Lei Wang , Long Wei , Qinghua Zhang , Lingfei Wang , Liang Si , Yulin Gan , Kai Chen , Zhaoliang Liao

We investigate the magnetic properties of the isostructural spinel-spinel interface of NiMn2O4(NMO)-Fe3O4. Although the magnetic transition temperature of the NMO film is preserved, both bulk and interface sensitive measurements demonstrate…

Strongly Correlated Electrons · Physics 2008-09-26 B. B. Nelson-Cheeseman , R. V. Chopdekar , J. S. Bettinger , E. Arenholz , Y. Suzuki

The two dimensional conducting interfaces in SrTiO$_3$-based systems are known to show a variety of coexisting and competing phenomena in a complex phase space. Magnetoresistance measurements, which are typically used to extract information…

Mesoscale and Nanoscale Physics · Physics 2019-01-09 V. V. Bal , Z. Huang , K. Han , Ariando , T. Venkatesan , V. Chandrasekhar

The electronic and magnetic properties of NdNiO$_3$ (NNO) thin films are very sensitive to epitaxial strain and to the proximity to ferromagnetic oxides. In this work, we investigate the structural, electronic, and magnetic properties of…

Materials Science · Physics 2024-09-20 Henrique M. M. Cardoso , Maria C. O. Aguiar , Cinthia Piamonteze , Walber H. Brito

We examine, by means of ab initio pseudopotential calculations, La_2/3Sr_1/3MnO_3/SrTiO_3 (LSMO/STO) heterojunctions in which one unit layer of La_(1-x)Sr_xMnO_3 (with 0<x<1) is inserted at the interface. The optimal interlayer doping x for…

Materials Science · Physics 2013-08-30 C. Wang , N. Stojic , N. Binggeli

Emergent phases in the two-dimensional electron gas (2DEG) formed at the interface between two insulating oxides have attracted great attention in the past decade. We present ab-initio electronic structure calculations for the interface…

Materials Science · Physics 2015-12-24 Hrishit Banerjee , Sumilan Banerjee , Mohit Randeria , Tanusri Saha-Dasgupta

We explore the role of interfacial antiferromagnetic interaction in coupled soft and hard ferromagnetic layers to ascribe the complex variety of magneto-transport phenomena observed in $La_{0.7}Sr_{0.3}MnO_3/SrRuO_3$ (LSMO/SRO)…

Strongly Correlated Electrons · Physics 2023-06-28 Sandip Halder , Subrat K. Das , Kalpataru Pradhan

Rapidly increasing interest in low-dimensional materials is driven by the emerging requirement to develop nanoscale solid-state devices with novel functional properties that are not available in three-dimensional bulk phases. Among the…

Materials Science · Physics 2024-02-27 Rui-Qi Wang , Tianmin Lei , Yue-Wen Fang

We report torque magnetometry measurements of an oxide heterostructure consisting of an amorphous Al$_2$O$_3$ thin film grown on a crystalline SrTiO$_3$ substrate ($a$-AO/STO) by atomic layer deposition. We find a torque response that…

Strongly Correlated Electrons · Physics 2014-12-10 S. L. Tomarken , A. F. Young , S. W. Lee , R. G. Gordon , R. C. Ashoori

Modulation-doped oxide two-dimensional electron gas (2DEG) formed at the LaMnO3 (LMO) buffered disorderd-LaAlO3/SrTiO3 (d-LAO/LMO/STO) heterointerface, provides new opportunities for electronics as well as quantum physics. Herein, we…

Materials Science · Physics 2017-04-05 Y. Z. Chen , Y. L. Gan , D. V. Christensen , Y. Zhang , N. Pryds

The magnetic and electronic nature of the gamma-Al2O3/SrTiO3 spinel/perovskite interface is explored by means of x-ray absorption spectroscopy. Polarized x-ray techniques combined with atomic multiplet calculations reveal localized magnetic…

Charge transfer in oxide heterostructures can be tuned to promote emergent interfacial states, and accordingly, has been the subject of intense study in recent years. However, accessing the physics at these interfaces, which are often…

Strongly Correlated Electrons · Physics 2018-09-12 R. F. Need , P. B. Marshall , E. Weschke , A. J. Grutter , D. A. Gilbert , E. Arenholz , P. Shafer , S. Stemmer , S. D. Wilson

In this work, La0.8Sr0.2MnO3 (LSMO) nanopowders are synthesized using two different methods: Pechini (LSMO-PC) and auto-combustion (LSMO-AC). Nanoparticle sizes, structural, magnetic, and magnetocaloric properties were determined and…

The electronic and magnetic properties of the interfaces between the half-metallic Heusler alloys NiMnSb, NiMnSi and MgO have been investigated using first-principles density-functional calculations with projector augmented wave potentials…

Mesoscale and Nanoscale Physics · Physics 2014-09-19 Rui-Jing Zhang , Ulrich Eckern , Udo Schwingenschlögl