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We report the direct observation of the electric pulse induced resistance-change (EPIR) effect at the nano scale on La1-xSrxMnO3 (LSMO) thin films by the current measurement AFM technique. After a switching voltage of one polarity is…

Strongly Correlated Electrons · Physics 2009-11-11 Xin Chen , NaiJuan Wu , John Strozier , Alex Ignatiev

A new model of a symmetric two-terminal non-volatile RRAM device based on Perovskite oxide thin film materials, specifically Pr1-xCaxMnO3 (PCMO), is proposed and analyzed. The model consists of two identical half-parts, which are completely…

Strongly Correlated Electrons · Physics 2015-06-25 X. Chen , J. Strozier , N. J. Wu , A. Ignatiev , Y. B. Nian

Neuromorphic computing aims to mimic the architecture and the information processing mechanisms of the mammalian brain, appearing as the only avenue that offers significant energy savings compared to the standard digital computers.…

Applied Physics · Physics 2024-08-06 Wilson Román Acevedo , Myriam H. Aguirre , Beatriz Noheda , Diego Rubi

In this study, direct-current reactive sputtered ZnO and ZnO1-x based thin film (30 nm and 300 nm in thickness) memristor devices were produced and the effects of oxygen vacancies and thickness on the memristive characteristics were…

Applied Physics · Physics 2017-05-17 Fatih Gul , Hasan Efeoglu

In this paper, we report the electrical and structural properties of the oxide-based metal/ferroelectric/metal (MFM) junctions. The heterostructures are composed of ultrathin layers of La0.7Ca0.3MnO3 (LCMO) as a metallic layer and, BaTiO3…

Materials Science · Physics 2009-11-11 M. P. Singh , L. Mechin , W. Prellier , M. Maglione

Memristive systems emerge as strong candidates for the implementation of Resistive Random Access Memories (RRAM) and neuromorphic computing devices, as they can mimic the electrical analog behavior or biological synapses. In addition,…

HfO2-based ferroelectric films have attracted considerable attention as their nanoscale ferroelectricity and compatibility with cmos technology, fulfilling demands of emerging memory technologies. However, as films scale down,…

Electric pulse induced resistance (EPIR) switching hysteresis loops for Pr0.7Ca0.7MnO3 (PCMO) perovskite oxide films were found to exhibit an additional sharp "shuttle peak" around the negative pulse maximum for films deposited in an oxygen…

Strongly Correlated Electrons · Physics 2015-06-25 Y. B. Nian , J. Strozier , N. J. Wu , X. Chen , A. Ignatiev

Ferroelectric memristors have attracted much attention as a type of nonvolatile resistance switching memories in neuromorphic computing, image recognition, and information storage. Their resistance switching mechanisms have been studied…

Memristors are considered key building blocks for the development of neuromorphic computing hardware. For ferroelectric memristors with a capacitor-like structure, the polarization direction modulates the height of the Schottky barriers --…

Applied Physics · Physics 2024-05-20 C. Ferreyra , M. Badillo , M. J. Sánchez , M. Acuautla , B. Noheda , D. Rubi

We report a memory resistance (memristor) behavior with nonlinear current-voltage characteristics and bipolar hysteretic resistance switching in the nanocolumnar manganite (LSMO) films. The switching from a high (HRS) to a low (LRS)…

Mesoscale and Nanoscale Physics · Physics 2010-02-03 V. Moshnyaga , M. Esseling , L. Sudheendra , O. I. Lebedev , K. Gehrke , G. Van Tendeloo , K. Samwer

The integration of high-temperature superconducting YBa2Cu3O6+x (YBCO) into flexible electronic devices has the potential to revolutionize the technology industry. The effective preparation of high-quality flexible YBCO films therefore…

We report the structural and magnetoelectrical properties of La$_{0.7}$Ca$_{0.3}$MnO$_3$/BaTiO$_3$ perovskite superlattices grown on (001)-oriented SrTiO$_3$ by the pulsed laser deposition technique. Magnetic hysteresis loops together with…

Materials Science · Physics 2009-11-11 M. P. Singh , W. Prellier , Ch. Simon , B. Raveau

A detailed nanoscale structural characterization was performed on high-quality La0.66Sr0.33MnO3 (LSMO) thin films of different thicknesses and deposited by pulsed laser deposition onto buffered Si (100) substrates. A multilayered structure…

Materials Science · Physics 2020-09-16 Aneely Carrero , Augusto Roman , Myriam Aguirre , Laura B. Steren

In this paper, the resistive switching and neuromorphic behavior of memristive devices based on parylene, a polymer both low-cost and safe for the human body, is comprehensively studied. The Metal/Parylene/ITO sandwich structures were…

Knowledge of the electron sampling depth and related saturation effects is important for quantitative analysis of X-ray absorption spectroscopy data, yet for oxides with the perovskite structure no quantitative values are so far available.…

Materials Science · Physics 2015-06-17 A. Ruosi , C. Raisch , A. Verna , R. Werner , B. A. Davidson , J. Fujii , R. Kleiner , D. Koelle

Superlattices may play an important role in next generation electronic and spintronic devices if the key-challenge of the reading and writing data can be solved. This challenge emerges from the coupling of low dimensional individual layers…

Mesoscale and Nanoscale Physics · Physics 2014-08-04 S. Narayana Jammalamadaka , Johan Vanacken , V. V. Moshchalkov

Resistance switching devices are of special importance because of their application in resistive memories (RRAM) which are promising candidates for replacing current nonvolatile memories and realize storage class memories. These devices…

Homogeneous highly epitaxial LaSrMnO3 (LSMO) thin films have been grown on Yttria-stabilized-Zirconia (YsZ) / CeO2 buffer layers on technological relevant 4" silicon wafers using a Twente Solid State Technology B.V. (TSST) developed large…

Perovskite films have rapidly emerged as leading active materials in optoelectronic devices due to their strong optical absorption, high carrier mobility and ease of fabrication. Whilst proving to be promising materials for solar cells and…

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