Articles tagged with Magnetization
Researchers at MIPT created a spin diode by placing ferromagnetic layers between two antiferromagnetic materials, allowing for tunable resistance and resonant frequency. This design triples the frequency range of conventional spin diodes while maintaining sensitivity comparable to semiconductor analogs.
Researchers have created a stable thin film made from iron, cobalt, and manganese that boasts an average atomic moment potentially 50% greater than the Slater-Pauling limit. The new alloy features a magnetization density of 3.25 Bohr magnetons per atom, besting the previously considered maximum of 2.45.
Researchers from the National University of Singapore have successfully demonstrated room temperature magnetisation switching driven by giant SOTs in topological insulator/conventional ferromagnet heterostructures with an extremely low current density, overcoming scalability and power consumption issues.
Researchers discover new technique to transform ambient heat into motion in nanoscale devices, revolutionizing data storage and sensors. The innovation uses a specific type of gear called a ratchet made from artificial spin ice material, which enables the conversion of thermal energy into directed rotation.
Scientists have developed a method to control magnetic properties of materials using surface acoustic waves, which can induce rapid changes in strain and magnetization. This technique has the potential to enable low-power magnetic devices, which is key to developing memory, computing, and communication devices at the nanoscale.
Researchers at ETH Zurich have successfully developed a novel method to rapidly and efficiently write data onto magnetic carriers using a spin-orbit-torque technique. The technique involves the application of electric current pulses through an adjacent wire, which causes magnetization inversion without the need for coils.
Researchers have made an important step toward understanding optically controlled magnetic storage devices, finding that laser light plays a key role in toggling magnetisation alignments. The study reveals the formation of a ring-shaped region around the tiny laser spot and its impact on the material's temperature distribution.
A team of researchers has developed a novel type of memory called magnetoelectric memory, which reduces energy consumption by a factor of 10,000. This breakthrough technology could enable instant device startup and lower energy costs in computing hardware applications.
Researchers at University of Science and Technology of China have developed a new type of synthetic antiferromagnet with correlated oxide multilayers, overcoming the 'dead layer' effect that hindered previous progress. The team achieved layer-resolved magnetic switching in La2/3Ca1/3MnO3/CaRu1/2Ti1/2O3/NdGaO3 multilayers.
Researchers at Helmholtz-Zentrum Berlin have developed a new switching process for non-volatile spintronics devices using asymmetric nanorings. The process involves applying a short magnetic field pulse, which leads to an intermediate 'onion state' and subsequently results in a stable opposite magnetization of the ring.
Researchers at ETH Zurich have developed a method to create nanoparticles with dysprosium atoms that can be magnetised and maintain their magnetic information. The scientists are now looking to stabilise the magnetisation at higher temperatures and longer periods of time.
A group of researchers has developed a method to control magnetism by curving nanomagnets, inducing chiral textures within the magnetization field. This discovery could lead to stable vortex-antivortex pairs for future data storage and random access memory devices.
The study examines the impact of ultrafast laser pulses on ferromagnetic La0.67Sr0.33MnO3 thin films with epitaxial grown BiFeO3 coating layers. Researchers observe distinct oscillations in magnetization precession, which are attributed to the suppression of anisotropy by BFO coating layers and exchange interaction across the interface.
Researchers discovered unusual phenomena in a single cerium hexaboride crystal, exceeding theoretical expectations and sparking new research directions. The study offers a way to test the validity of accepted scientific theories, emphasizing the importance of recognizing fundamental results over practical applications.
Researchers at Tohoku University have discovered that gold can be magnetized by applying heat. The non-equilibrium anomalous Hall effect (nAHE) was observed in the gold film due to the heat flow, indicating the evolution of magnetization. This discovery has potential applications in thermoelectric devices and spintronics.
Researchers have discovered a new ferromagnetic superconductor, CsEuFe4As4, where both bulk superconductivity and full ferromagnetism are realized simultaneously. The material exhibits robust SC and FM, with the ferromagnetic ordering demonstrated by field-dependent magnetization.
Researchers at Tohoku University have developed a new-structure nonvolatile magnetic memory device that achieves sub-nanosecond operation with minimal current consumption. The device overcomes limitations of existing nonvolatile memories and is expected to enable the creation of high-performance microcontroller units for IoT applications.
A new-structure magnetic memory device utilizing spin-orbit-torque-induced magnetization switching has been successfully developed by Tohoku University researchers. The device boasts ultrafast magnetization reversal timescales and potential benefits for power-efficient integrated circuits.
UC Riverside researchers have successfully transmitted electrical signals through insulators in a sandwich-like structure, potentially revolutionizing electronic device efficiency. The breakthrough exploits the 'spin' of electrons rather than their charge, enabling new generations of spintronic devices.
Researchers at Tohoku University discovered a new physics of antiferromagnets, where an applied current induces magnetization switching in neighboring ferromagnets. The findings enable the development of ultralow-power integrated circuits and neuromorphic computing devices with fast and reliable control.
A new MIT study found that Earth's geomagnetic field intensity is double the long-term historical average, indicating it has a long way to fall before reaching an unstable level. This suggests that the current field intensity has a long buffer zone, making a reversal less likely in the near future.
Researchers at Lomonosov Moscow State University have discovered a phenomenon where superconductivity promotes magnetization under certain conditions. This finding could lead to the development of spintronics devices that are more energy-efficient and stable, potentially replacing traditional computing methods.
Scientists at the University of Groningen have successfully created an electric circuit using a magnetic insulator and spin waves. By leveraging thermal fluctuations in the material, they were able to transmit electric signals through the insulator, opening up new possibilities for energy-efficient electronic devices.
Researchers developed a new technique using synchrotron light to map complex 3D magnetization in wound magnetic layers. This allows for improved sensitivity of magnetic field detectors, crucial for medical imaging and magnetoencephalography.
Scientists have discovered a magnetization signal emanating from an ancient region of Mercury's crust, indicating the presence of a dynamo-driven magnetic field 3.8 billion years ago. This finding suggests that Mercury's core dynamo has persisted for billions of years.
Researchers at the University of Liverpool have successfully controlled a material's structure to generate both magnetisation and electrical polarisation, two contradictory properties. This breakthrough has significant implications for low-energy information technology applications, such as efficient information storage and logic devices.
Researchers at DESY used high-speed photography to observe the formation of magnetic microvortices in ultrafast memory cells. The study provides a better understanding of magnetic storage materials and their dynamics, with potential implications for faster and better data storage media.
Researchers have found a novel link between magnetism and electricity, enabling the generation of high-frequency alternating currents. This breakthrough could lead to new detection techniques for magnetic information and improve spintronics technology.
Researchers successfully fabricated high-quality CrO2 films on TiO2 substrates using a simple route, exhibiting half-metallic ferromagnetism and unique transport properties. The films show narrow crystallinity, low coercive field, and temperature-dependent magnetization following Bloch's T3/2 law.
Researchers at TU/e Eindhoven University of Technology have developed a new technology that can store data a thousand times faster than current methods by utilizing the 'spin current' property of electrons. This innovation enables faster switch times and opens up possibilities for future optical computer chips.
Researchers at University College London have identified a measurable quantity that labels distinct phases of quantum systems with boundary phase transitions. This discovery opens up new possibilities for studying phase transitions in quantum physics and may help determine new phases of matter.
Researchers have successfully switched on and off robust ferromagnetism close to room temperature using moderate electric fields. The new magnetic switch has the potential to revolutionize spintronics and data storage technologies with its ability to control magnetization at low power.
Researchers used numerical simulations to validate previous theoretical predictions for antiferromagnetic materials, confirming a universal law relating the Néel temperature and staggered magnetisation density. However, discrepancies were found, highlighting the need for further investigation.
Researchers at Johannes Gutenberg University Mainz directly observe magnetization dynamics in magnetic nanowires, discovering oscillating domain wall velocities. The study's findings have important implications for the development of ultra-fast rotating sensors and new information storage mediums.
An international team has found a surprising effect that leads to spatially varying magnetization manipulation on an ultrafast timescale in ferromagnetic materials. This discovery could be key to further miniaturization and performance increase of magnetic data storage devices.
Researchers at Harvard Medical School have successfully induced magnetization in yeast cells by manipulating their iron transport system. This breakthrough provides new insights into the mechanisms of magnetization and its potential applications, including bioprocessing, tissue engineering, and therapeutic cell tracking. The study's fi...
Researchers at Helmholtz-Zentrum Berlin have engineered a material that exhibits both electrically charged (ferroelectric) and magnetic (ferromagnetic) properties, controlled by electricity. This 'multiferroic' material has potential for multi-state data storage in computers, offering cost-effectiveness compared to existing materials.
Researchers at ICN2 have developed a new technique to write magnetic data, eliminating the need for cumbersome magnetic fields and providing simple, reversible writing of memory elements. This breakthrough could lead to non-volatile MRAMs, allowing instant power-up and significant energy savings.
Researchers have discovered a new phenomenon that enables ultrafast magnetic reversal, which could lead to significantly faster data storage. The study found that certain atoms can reverse their magnetization in as little as 300 femtoseconds, making it possible for magnetic memory to operate at terahertz speeds.
Researchers at Berkeley Lab have enhanced spontaneous magnetization in special versions of bismuth ferrite, creating a stable nanoscale mixture of rhombohedral and tetragonal phases. This allows for electric control of magnetization at room temperature, opening the door to spintronic devices.
Scientists have made significant progress toward creating ultra-high-density storage devices capable of storing more than 6,000 Terabits of data on a single disc. Using laser-assisted ultrafast magnetization reversal dynamics, researchers achieved sub-nanosecond recording times.
Scientists aim to measure electron's electric dipole moment using sensitive ceramic and SQUID magnetometer. A possible imbalance in matter and antimatter could be explained by this tiny electric dipole moment.
Scientists at Duke University have created intricate nano-structures by manipulating magnetization of a liquid solution, enabling the formation of complex shapes like Saturn and flowers. The resulting structures can be fixed and used as building blocks for various applications.
The study found that magnetized water exhibits magnetism, a saturation effect, and memory properties. New phenomena, such as irreversible infrared absorption and exponential UV absorption, were also discovered. These findings support the theory of magnetization of water proposed by Professor Pang Xiao-Feng.
A thin layer of ruthenium modulates interactions between ferromagnetic and antiferromagnetic films, stabilizing the magnetization and enhancing device sensitivity. Thicker buffers result in more sensitive devices, while thinner buffers improve resistance to external fields.
Researchers find nanomagnets exhibit 'upturn' in magnetization due to Bose-Einstein condensation, challenging Bloch's temperature law. This new understanding can predict high rate of saturation magnetization in ferromagnetic nanocomposites.
Researchers found that the ultimate speed of magnetic switching is at least 1,000 times slower than previously expected. The experiment's results have significant implications for future hard disk computer drive technologies.