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We report observation of electric-field-driven resistive transition at a characteristic threshold field $E_{th}(T)$ across a temperature range 10-200 K in an off-stoichiometric composite of (~80 vol%) W- and (~20 vol%) Z-type hexaferrites.…

Strongly Correlated Electrons · Physics 2022-07-11 Shubhankar Mishra , Chandan K. Ghosh , Aditi Sahoo , Dipten Bhattacharya , Suchandal Mondal , P. Mandal

We have investigated the dc and pulsed current-induced electroresistance in phase separated manganite Nd0.5Ca0.5Mn0.95Ni0.05O3 (NCMONi05) as a function of temperature and magnetic field. It is shown that the negative differential resistance…

Materials Science · Physics 2009-11-13 A. Rebello , R. Mahendiran

We report an electric field driven destabilization of the insulating state in nominally pure LaMnO3 single crystal with a moderate field which leads to a resistive state transition below 300 K. The transition is between the insulating state…

Strongly Correlated Electrons · Physics 2015-06-12 Rajib Nath , A. K. Raychaudhuri , Ya. M. Mukovskii , Parthasarathi Mondal , Dipten Bhattacharya , P. Mandal

The layered compound BaCo1-xNixS2-y (0.05<x<0.2 and 0.05<y<0.2) exhibits an unusual first-order structural and electronic phase transition from a low-T monoclinic paramagnetic metal to a high-T tetragonal antiferromagnetic insulator around…

Materials Science · Physics 2015-06-19 B. Fisher , J. Genossar , K. B. Chashka , L. Patlagan , G. M. Reisner

We have investigated direct and pulsed current induced electroresistance in two manganites with different electronic and magnetic ground states: charge-orbital ordered 50 % Ca doped NdMnO3 and 50 % Mn doped LaNiO3. It has been shown that…

Materials Science · Physics 2008-05-13 A. Rebello , R. Mahendiran

We report pulsed as well as direct current/voltage induced electroresistance in Bi0.8Sr0.2MnO3 at room temperature. It is shown that bi-level and multi-level resistivity switching can be induced by a sequence of pulses of varying pulse…

Materials Science · Physics 2009-11-13 A. Rebello , R. Mahendiran

A colossal electroresistance effect is observed around room temperature in a transition metal oxide LuFe2O4. The measurements of resistance under various applied voltages as well as the highly nonlinear current-voltage characteristics…

Materials Science · Physics 2008-11-26 Chang-Hui Li , Xiang-Qun Zhang , Zhao-Hua Cheng , Young Sun

Strongly correlated insulators, such as Mott or charge-transfer insulators, exhibit a strong temperature dependence in their resistivity. Consequently, self-heating effects can lead to electrothermal instabilities in planar thin film…

In many transition metal oxides the electrical resistance is observed to undergo dramatic changes induced by large biases. In magnetite, Fe$_3$O$_4$, below the Verwey temperature, an electric field driven transition to a state of lower…

Strongly Correlated Electrons · Physics 2009-07-01 A. A. Fursina , R. G. S. Sofin , I. V. Shvets , D. Natelson

Control over the novel quantum states that emerge from non-equilibrium conditions is of both fundamental and technological importance. Metastable charge density wave (CDW) states are particularly interesting as their electrical manipulation…

1T-TaS$_2$ exhibits several resistivity phases due to the modulation of charge density wave (CDW). The fact that such phase transition can be driven electrically has attracted a lot of attention in the recent past towards…

Materials Science · Physics 2023-07-21 Mehak Mahajan , Kausik Majumdar

We present magnetoresistivity measurements on the heavy-fermion superconductor UTe$_{2}$ in pulsed magnetic fields $\mu_0H$ up to 68~T and temperatures $T$ from 1.4 to 80~K. Magnetic fields applied along the three crystallographic…

In this work, we have studied the effects from increasing the strength of the applied electric field on the charge transport of hydrogenated graphitic fibers. Resistivity measurements were carried out for direct currents in the nA - mA…

Materials Science · Physics 2020-05-19 Nadina Gheorghiu , Charles R. Ebbing , Timothy J. Haugan

We report unexpected features of the transport in the dielectric spin density wave (SDW) phase of the quasi one-dimensional compound (TMTSF)_2PF_6: the resistance exhibits a maximum and a subsequent strong drop as temperature decreases…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 A. V. Kornilov , V. M. Pudalov , Y. Kitaoka , K. Ishida , T. Mito , N. Tateiwa , T. C. Kobayashi , J. S. Brooks , J. S. Qualls

Resistive switching devices based on transition metal oxides require formation of a conductive filament in order for the device to be able to switch. Such filaments have been proposed to form by the reduction of the oxide due to application…

Applied Physics · Physics 2020-07-15 Jingjia Meng , Bingyuan Zhao , Jonathan M. Goodwill , James A. Bain , Marek Skowronski

We investigate the polarity-dependent field-induced resistive switching phenomenon driven by electric pulses in perovskite oxides. Our data show that the switching is a common occurrence restricted to an interfacial layer between a…

Superconductivity · Physics 2009-11-10 S. Tsui , A. Baikalov , J. Cmaidalka , Y. Y. Sun , Y. Q. Wang , Y. Y. Xue , C. W. Chu , L. Chen , A. J. Jacobson

The charge density wave (CDW) material 1T-TaS$_2$ exhibits a pulse-induced insulator-to-metal transition, which shows promise for next-generation electronics such as memristive memory and neuromorphic hardware. However, the rational design…

Materials Science · Physics 2023-09-13 James L Hart , Saif Siddique , Noah Schnitzer , Stephen D. Funni , Lena F. Kourkoutis , Judy J. Cha

We propose that the observed low density ``insulating'' phase of a 2D semiconductor system, with the carrier density being just below ($n < n_c$) the so-called critical density where the derivative of resistivity changes sign at low…

Strongly Correlated Electrons · Physics 2009-11-10 S. Das Sarma , E. H. Hwang

Recently, application of electric field (E-field) has received considerable attention as a new method to induce novel quantum phenomena since application of E-field can tune the electronic states directly with obvious scientific and…

Strongly Correlated Electrons · Physics 2013-09-03 Fumihiko Nakamura , Mariko Sakaki , Yuya Yamanaka , Sho Tamaru , Takashi Suzuki , Yoshiteru Maeno

One of the most important challenges in antiferromagnetic spintronics is the read-out of the N\'eel vector state. High current densities up to 10$^8$ Acm$^{-2}$ used in the electrical switching experiments cause notorious difficulty in…

Materials Science · Physics 2022-03-29 M. J. Grzybowski , C. F. Schippers , M. E. Bal , K. Rubi , U. Zeitler , M. Foltyn , B. Koopmans , H. J. M. Swagten
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