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Multiferroics are promising for sensor and memory applications, but despite all efforts invested in their research no single-phase material displaying both ferroelectricity and large magnetization at room-temperature has hitherto been…

Magnetoelectric multiferroics, materials with intrinsically coupled electric polarization and magnetic order, promise ultralow-power switching, nonvolatile memory, and energy-efficient signal transduction. Yet practical deployment demands…

In existing superconducting electronic systems, Josephson junctions play a central role in processing and transmitting small-amplitude electrical signals. However, Josephson-junction-based devices have a number of limitations including: (1)…

Superconductivity · Physics 2015-06-19 Adam N. McCaughan , Karl K. Berggren

With the increasing demand for low-power electronics, nanomagnetic devices have emerged as strong potential candidates to complement present day transistor technology. A variety of novel switching effects such as spin torque and giant spin…

Mesoscale and Nanoscale Physics · Physics 2018-02-02 Yunkun Xie , Jianhua Ma , Samiran Ganguly , Avik W Ghosh

Lateral heterostructures of two-dimensional (2D) materials, integrating different phases or materials into a single piece of nanosheet, have attracted intensive research interests in the past few years for high-performance electronic and…

Materials Science · Physics 2020-05-04 Kaiyun Chen , Junkai Deng , Yuan Yan , Qian Shi , Tieyan Chang , Xiangdong Ding , Jun Sun , Sen Yang , Jefferson Zhe Liu

A common ploy to reduce the switching current and energy dissipation in spin-transfer-torque driven magnetization switching of shape-anisotropic single-domain nanomagnets is to employ magnets with low saturation magnetization $M_s$ and high…

Mesoscale and Nanoscale Physics · Physics 2011-12-06 Kuntal Roy , Supriyo Bandyopadhyay , Jayasimha Atulasimha , Kamaram Munira , Avik W. Ghosh

Multiferroic (MF) devices based on simultaneous ferroelectric and ferromagnetic phenomena are considered to be promising candidates for future bi-functional micro/nano-electronics. The multiferroic phenomena in two-dimensional materials is…

Applied Physics · Physics 2022-08-30 Rabia Tahir , Sabeen Fatima , Syedah Afsheen Zahra , Deji Akinwande , Syed Rizwana

Power dissipation is one of the most important factors limiting the future miniaturisation of integrated circuits. The capability of controlling magnetic states with a low voltage through magnetoelectric coupling in…

Traditional thermoelectric materials rely on low thermal conductivity to enhance their efficiency but suffer from inherently limited power factors. Novel pathways to optimize electronic transport are thus crucial. Here, we achieve ultrahigh…

Finescale probes of many complex electronic materials have revealed a non-uniform nanoworld of sign-varying textures in strain, charge and magnetization, forming meandering ribbons, stripe segments or droplets. We introduce and simulate a…

Materials Science · Physics 2009-11-10 A. R. Bishop , T. Lookman , A. Saxena , S. R. Shenoy

Multiferroics offer an elegant means to implement voltage-control and on the fly reconfigurability in microscopic, nanoscaled systems based on ferromagnetic materials. These properties are particularly interesting for the field of…

In this work, we investigate the differential voltage generation arising from the direct magnetoelectric (ME) effect in nanoscale composite devices upon magnetization rotation from the magnetic ground state to an out-of-plane (OOP)…

Mesoscale and Nanoscale Physics · Physics 2026-03-02 Emma Van Meirvenne , Aude Brinkmann-Hornbogen , Bart Soree , Christoph Adelmann , Florin Ciubotaru

The bottleneck in modern thermoelectric power generation and cooling is the low energy conversion efficiency of thermoelectric materials. The detrimental effects of lattice phonons on performance can be mitigated, but achieving a high…

The ground state properties of correlated electron systems can be extraordinarily sensitive to external stimuli, such as temperature, strain, and electromagnetic fields, offering abundant platforms for functional materials. We present a…

Mesoscale and Nanoscale Physics · Physics 2020-04-22 A. S. McLeod , J. Zhang , M. Q. Gu , F. Jin , G. Zhang , K. W. Post , X. G. Zhao , A. J. Millis , W. Wu , J. M. Rondinelli , R. D. Averitt , D. N. Basov

The coexistence and coupling of magnetic and ferroelectric orderings in single phase multiferroics has evinced enormous scientific interest as it involves breaking of time reversal and space inversion symmetries in the same material. The…

A new mechanism for memristive switching in 2D materials is through electric-field controllable electronic/structural phase transitions, but these devices have not outperformed status quo 2D memristors. Here, we report a high-performance…

Straintronic magneto-tunneling junction (s-MTJ) switches, whose resistances are controlled with voltage-generated strain in the magnetostrictive free layer of the MTJ, are extremely energy-efficient switches that would dissipate a few aJ of…

Emerging Technologies · Computer Science 2017-07-18 S. Dey Manasi , M. M. Al Rashid , J. Atulasimha , S. Bandyopadhyay , A. R. Trivedi

Champions of spintronics often claim that spin based signal processing devices will vastly increase speed and/or reduce power dissipation compared to traditional charge based electronic devices. Yet, not a single spintronic device exists…

Mesoscale and Nanoscale Physics · Physics 2012-10-16 Supriyo Bandyopadhyay

Artificially engineered superlattices were designed and fabricated to induce different growth mechanisms and structural characteristics. DC sputtering was used to grow ferromagnetic (La$_{0.8}$Ba$_{0.2}$MnO$_3$) / ferroelectric…

The inherent stochasticity in many nano-scale devices makes them prospective candidates for low-power computations. Such devices have been demonstrated to exhibit probabilistic switching between two stable states to achieve stochastic…

Emerging Technologies · Computer Science 2018-05-24 Indranil Chakraborty , Amogh Agrawal , Kaushik Roy