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We report on the temperature dependence of microwave-induced resistance oscillations in high-mobility two-dimensional electron systems. We find that the oscillation amplitude decays exponentially with increasing temperature, as…

Mesoscale and Nanoscale Physics · Physics 2009-02-17 A. T. Hatke , M. A. Zudov , L. N. Pfeiffer , K. W. West

We study the nonequilibrium switching phenomenon associated with the metal-insulator transition under electric field E in correlated insulator by a gauge-covariant Keldysh formalism. Due to the feedback effect of the resistive current I,…

Other Condensed Matter · Physics 2009-11-13 Naoyuki Sugimoto , Shigeki Onoda , Naoto Nagaosa

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,…

Using isothermal and temperature-dependent electrical measurements, we investigated the resistive switching mechanism of amorphous titanium oxide thin films deposited by a plasma-enhanced atomic layer deposition method between two aluminum…

Materials Science · Physics 2015-05-14 Hu Young Jeong , Jeong Yong Lee , Min-Ki Ryu , Sung-Yool Choi

We study the resistivity of three-dimensional semimetals with linear dispersion in the presence of on-site electron-electron interaction. The well-known quadratic temperature dependence of the resistivity of conventional metals is turned…

Strongly Correlated Electrons · Physics 2021-05-26 Niklas Wagner , Sergio Ciuchi , Alessandro Toschi , Björn Trauzettel , Giorgio Sangiovanni

We have researched the effect of the zirconium deformation by the extension at the temperature of 4.2 K, with the subsequent heating up to the room temperature of 300 K, on both the zirconium crystal grating structure and the magnitude of…

Superconductivity · Physics 2013-02-01 V. K. Aksenov , B. G. Lazarev , O. P. Ledenyov , V. I. Sokolenko , Ya. D. Starodubov , V. P. Fursa

The paramagnetic insulator to ferromagnetic metal transition in Lanthanum manganites and the associated magnetoresistive phenomena is treated by considering the localization due to random hopping induced by slowly fluctuating spin…

Condensed Matter · Physics 2009-10-28 C. M. Varma

Electrostatic gates are of paramount importance for the physics of devices based on high-mobility two-dimensional electron gas (2DEG) since they allow depletion of electrons in selected areas. This field-effect gating enables the…

Mesoscale and Nanoscale Physics · Physics 2015-09-23 K. Bennaceur , B. A. Schmidt , S. Gaucher , D. Laroche , M. P. Lilly , J. L. Reno , K. W. West , L. N. Pfeiffer , G. Gervais

The morphology and dimension of the conductive filament formed in a memristive device are strongly influenced by the thickness of its switching medium layer. Aggressive scaling of this active layer thickness is critical towards reducing the…

A short review of the history and the contemporary numerical calculations of the operation of an electronic device for generation of electric oscillations by negative differential conductivity of a supercooled below the critical temperature…

Superconductivity · Physics 2020-06-26 Todor M. Mishonov , Aleksander P. Petkov , Victor I. Danchev , Albert M. Varonov

We fabricated Pt/NiO/Pt capacitor structures with various bottom electrode thicknesses, $t_{BE}$, and investigated their resistance switching behaviors. The capacitors with $t_{BE} \geq 50$ nm exhibited typical unipolar resistance memory…

Materials Science · Physics 2009-11-13 S. H. Chang , S. C. Chae , S. B. Lee , C. Liu , T. W. Noh , J. S. Lee , B. Kahng , J. H. Jang , M. Y. Kim , D. -W. Kim , C. U. Jung

In a superconductor electrons form pairs and electric transport becomes dissipation-less at low temperatures. Recently discovered iron based superconductors have the highest superconducting transition temperature next to copper oxides. In…

Materials Science · Physics 2014-12-02 Xianhui Chen , Pengcheng Dai , Donglai Feng , Tao Xiang , Fu-Chun Zhang

With the recent experimental verification that ferroelectric lattice distortions survive in the metallic phase of some materials, there is a desire to create devices that are both switchable and take advantage of the novel functionalities…

Mesoscale and Nanoscale Physics · Physics 2022-02-10 Kelsey S. Chapman , W. A. Atkinson

Resistive switching is the fundamental process that triggers the sudden change of the electrical properties in solid-state devices under the action of intense electric fields. Despite its relevance for information processing, ultrafast…

Sufficiently large electric current applied to metallic nanostructures can bring them far out-of-equilibrium, resulting in non-Ohmic behaviors characterized by current-dependent resistance. We experimentally demonstrate a linear dependence…

Mesoscale and Nanoscale Physics · Physics 2020-03-25 Guanxiong Chen , Ryan Freeman , Andrei Zholud , Sergei Urazhdin

Electric fields can transform materials with respect to their structure and properties, enabling various applications ranging from batteries to spintronics. Recently electrolytic gating, which can generate large electric fields and…

Resistance Random Access Memory (RRAMTM) device, with its electrically induced nanoscale resistive switching capacity, has been gaining considerable attention as future non-volatile memory device. Here, we propose a mechanism of switching…

The insulator-to-metal transition in Mott insulators is the key mechanism for a novel class of electronic devices, belonging to the Mottronics family. Intense research efforts are currently devoted to the development of specific control…

Around discontinuous (first-order) magnetic phase transitions the strong caloric response of materials to the application of small fields is widely studied for the development of solid-state refrigeration. Typically strong magnetostructural…

Materials Science · Physics 2020-05-27 Eduardo Mendive-Tapia , Durga Paudyal , Leon Petit , Julie B. Staunton

Solid-state cooling presents an energy-efficient and environmentally friendly alternative to traditional refrigeration technologies that rely on thermodynamic cycles involving greenhouse gases. However, conventional caloric effects face…