News

Revealing the superconducting limit of ‘magic’ material

Colored graphene pattern

Cornell researchers have identified the highest achievable superconducting temperature of graphene – 60 Kelvin. The finding is mathematically exact and is spurring new insights into the factors that fundamentally control superconductivity.

 

 

 

Hidden structural states discovered in inorganic nanoclusters

Researchers have uncovered perplexing states in a nanomaterial as it changes its atomic structure, a discovery that could advance materials with tailored properties for renewable energy and quantum computing.

 

 

 

Cornell engineers key to multiple federal microelectronics projects

circuit board

Cornell Engineering-led projects designed to accelerate research into quantum and communications technologies received significant support from the U.S. Department of Defense, officials with the Northeast Regional Defense Technology Hub (NORDTECH) announced.

 

 

 

Sound drives ‘quantum jumps’ between electron orbits

Cornell researchers have demonstrated that acoustic sound waves can be used to control the motion of an electron as it orbits a lattice defect in a diamond, a technique that can potentially improve the sensitivity of quantum sensors and be used in other quantum devices.

 

 

 

Machine learning explains material’s thermal conductivity

Using a combination of machine learning and powerful X-rays, Cornell researchers have solved a mystery behind the unusual behavior seen in a class of materials with potential for thermoelectric energy conversion and other applications.

 

 

 

X-ray of vibrating diamond yields new equation for quantum sensors

A research team led by Cornell mapped atomic vibrations in diamond and linked them with the behavior of the quantum system embedded within, an advance that will make quantum sensors significantly more precise than today’s detection tools.

 

 

Kourkoutis’ cryo-imaging continues to drive quantum discoveries

A team led by Judy Cha collaborated with the late Lena Kourkoutis to use cryo-electron imaging to study how defects in the microstructure of the nanomaterial tantalum disulfide affects its properties.

 

 

 

Spontaneous supercrystal discovered in switching metal-insulator

A supercrystal formation previously unobserved in the thin-film Mott insulator Ca2RuO4 was discovered by a Cornell-led research team, potentially unlocking new ways to engineer materials and devices with tunable electronic properties.

 

 

‘Two-for-one’ fission aims to improve solar cell efficiency

A Cornell-led team used ultrafast laser spectroscopy to scrutinize a key intermediate state during singlet fission and found that in certain molecules the intermediate can be directly generated with a strikingly simple technique.

 

 

 

Ultrasound experiment identifies new superconductor

With pulses of sound through tiny speakers, Cornell physics researchers have clarified the basic nature of the newly discovered superconductor uranium ditelluride.

 

 

 

Six early-career professors win NSF development awards

Karan Mehta, assistant professor of electrical and computer engineering in Cornell Engineering, is one of six Cornell researchers who recently received National Science Foundation Faculty Early Career Development Awards. Mehta’s award supports his group’s investigations of ion-light interaction in tailored spatial field profiles, in which fine spatial variations of the field profile can potentially enhance basic operations relevant for quantum computation and atomic clocks. 

 

 

Four early-career faculty win 2024 Sloan Research awards

Four Cornell professors, including quantum scientists Chao-Ming Jian and Karan Mehta, have won 2024 Sloan Research Fellowships from the Alfred P. Sloan Foundation. Jian and his research group study highly entangled quantum matter and exotic quantum criticalities. Mehta and his lab work at the intersection of photonics, atomic physics, and quantum technologies.

 

 

Semiconductor defects could boost quantum technology

Researchers went searching for a quantum spin in the popular semiconductor gallium nitride and found it, surprisingly, in two distinct species of defect.

 

 

Physicists detect elusive ‘Bragg glass’ phase with machine learning tool

The discovery settles a long-standing question of whether this almost–but not quite–ordered state of Bragg glass can exist in real materials.

 

 

 

Engineers win Air Force awards to study networks, spintronics

A novel way to analyze complex network contagion and a new material to improve quantum computers, among other devices, is what two Cornell Engineering faculty members will be working toward, respectively, as recipients of 2024 Air Force Office of Scientific Research Young Investigator Research Program grants.

 

 

‘Flawed’ material resolves superconductor conundrum

Researchers developed a more controlled way of making nickelates, a material that could potentially help pinpoint the key qualities that enable high-temperature superconductivity.

 

 

 

Molecular properties are only weakly correlated, study finds

An international team of researchers, including chemist Robert DiStasio of Cornell, has introduced a novel concept, “freedom of design,” that has important implications in the fields of rational molecular design and computational drug discovery.

 

 

Nobel Prize winner to talk about science education research

Nobel Prize-winning physicist Carl Wieman will visit campus Sept. 25-29 as an A.D. White Professor-at-Large, working with students and faculty and offering a public talk about his work in science education.

 

 

 

Powerful X-ray laser ushers in a new era of science

The newly upgraded Linac Coherent Light Source X-ray free-electron laser at the Department of Energy’s SLAC National Accelerator Laboratory has produced its first X-rays, and researchers are ready to kick off an ambitious science program.

 

 

 

Promising quantum state found during error correction research

Cornell researchers unexpectedly discovered the presence of “quantum spin-glass” while conducting research designed to learn more about quantum algorithms and, relatedly, new strategies for error correction in quantum computing.

 

 

 

Comparing ‘sister’ compounds may hold key to quantum puzzle

In two new papers, an international collaboration of researchers including Cornell physicists explain, on the microscopic level, why “Planckian” scattering of electrons occurs in some materials but not in others.

 

 

 

Current takes a surprising path in quantum material

Cornell researchers used magnetic imaging to obtain the first direct visualization of how electrons flow in quantum anomalous Hall insulators, and by doing so they discovered the transport current moves through the interior of the material.

 

 

Breakthrough identifies new state of topological quantum matter

Cornell scientists have revealed a new phase of matter in candidate topological superconductors that could have significant consequences for condensed matter physics and for the field of quantum computing and spintronics.

 

 

 

Cornell, Google first to detect key to quantum computing future

 

 

Semiconductor lattice marries electrons and magnetic moments

A model system created by stacking a pair of monolayer semiconductors is giving physicists a simpler way to study confounding quantum behavior.

 

 

 

Benjamin Malia to improve quantum sensors as Intelligence Community Fellow

Benjamin Malia will advance the precision of quantum sensors as one of the newest Intelligence Community Postdoctoral Research Fellows. The 2022 fellowships, granted by the Office of the Director of National Intelligence, support unclassified basic research in areas of interest to the intelligence community.

 

 

Harnessing machine learning to analyze quantum material

A collaboration led by Eun-Ah Kim, professor in the College of Art and Sciences, employed machine learning to analyze a massive dataset from a quantum metal to settle a debate about this material.

 

 

 

Radical Collaboration initiative adds AI, quantum, design tech

Artificial Intelligence, Design + Technology and Quantum Science and Technology will become part of “Radical Collaboration Drives Discovery,” bringing to 10 the number of initiatives in the provost office’s five-year-old program.

 

 

$10M gift boosts quantum science at Cornell

A $10 million gift from an alumni donor will grow the roster of faculty, students and equipment needed to study the mysterious behavior of matter at atomic and subatomic scales, strengthening the university’s position as a leader in quantum science and technology.

 

 

Hans Bethe Lecture to illuminate black hole paradox

In the Fall 2021 Hans Bethe Lecture, physicist Andrew Strominger will describe the compelling progress made towards understanding black holes as well as future prospects for our understanding of black holes. The lecture will take place Oct. 27.

 

 

Weak coupling shows flaw in strange metal model

Cornell researchers found that an experimental model used to explain the inner workings of Planckian metals doesn’t capture what’s really happening inside them.

 

 

 

X-rays, energy tech, wireless charging earn research awards

Powerful X-rays, energy tech, wireless electric-vehicle charging, and swarming robots are among the projects that earned faculty 2021 Cornell Engineering Research Excellence Awards.

 

 

 

Tying quantum computing to AI prompts a smarter power grid

Fumbling to find flashlights during blackouts soon may be a memory, as quantum computing and AI may quickly solve an electric grid’s hiccups so fast, humans may not notice.

 

 

 

Researchers receive $5.4M to advance quantum science

Cornell researchers and their collaborators will continue to advance quantum science and technology thanks to $5.4 million in new funding from the U.S. Department of Energy to support two projects.

 

 

 

Engineers show new control of phonons using laser pulses

Cornell engineers used laser pulses to control changeable properties in a quantum material, pioneering a method that may have wide applications across a class of materials with immense technological interest.

 

 

 

Elusive particle may point to undiscovered physics

muon g-2 ringCornell researchers played a key role in an international collaboration that measured the magnetic field of the elusive subatomic particle known as the muon. Their findings provide strong evidence of an undiscovered type of fundamental physics.

 

 

Researchers create ‘beautiful marriage’ of quantum enemies

Cornell scientists from the College of Engineering have identified nitrides as new contenders when it comes to quantum materials for computing and low-temperature electronics.