Imaging 3D Chemistry at 1 nm Resolution with Fused Multi-Modal Electron Tomography

Kavli Affiliate: Richard D. Robinson | First 5 Authors: Jonathan Schwartz, Zichao Wendy Di, Yi Jiang, Jason Manassa, Jacob Pietryga | Summary: Measuring the three-dimensional (3D) distribution of chemistry in nanoscale matter is a longstanding challenge for metrological science. The inelastic scattering events required for 3D chemical imaging are too rare, requiring high beam exposure […]


Continue.. Imaging 3D Chemistry at 1 nm Resolution with Fused Multi-Modal Electron Tomography

X-ray nanotomography reveals formation of single diamonds by block copolymer self-assembly

Kavli Affiliate: Ulrich B. Wiesner | First 5 Authors: Kenza Djeghdi, Dmitry Karpov, S. Narjes Abdollahi, Karolina Godlewska, Mirko Holler | Summary: Block copolymers are recognised as a valuable platform for creating nanostructured materials with unique properties. Morphologies formed by block copolymer self-assembly can be transferred into a wide range of inorganic materials, enabling applications […]


Continue.. X-ray nanotomography reveals formation of single diamonds by block copolymer self-assembly

Optical readout of the chemical potential of two-dimensional electrons

Kavli Affiliate: Jie Shan | First 5 Authors: Zhengchao Xia, Yihang Zeng, Bowen Shen, Roei Dery, Kenji Watanabe | Summary: The chemical potential u of an electron system is a fundamental property of a solid. A precise measurement of u plays a crucial role in understanding the electron interaction and quantum states of matter. However, […]


Continue.. Optical readout of the chemical potential of two-dimensional electrons

Optical readout of the chemical potential of two-dimensional electrons

Kavli Affiliate: Jie Shan | First 5 Authors: Zhengchao Xia, Yihang Zeng, Bowen Shen, Roei Dery, Kenji Watanabe | Summary: The chemical potential u of an electron system is a fundamental property of a solid. A precise measurement of u plays a crucial role in understanding the electron interaction and quantum states of matter. However, […]


Continue.. Optical readout of the chemical potential of two-dimensional electrons

Phase Stability of Hexagonal/cubic Boron Nitride Nanocomposites

Kavli Affiliate: Zhiting Tian | First 5 Authors: Abhijit Biswas, Rui Xu, Joyce Christiansen-Salameh, Eugene Jeong, Gustavo A. Alvarez | Summary: Boron nitride (BN) is an exceptional material and among its polymorphs, two-dimensional (2D) hexagonal and three-dimensional (3D) cubic BN (h-BN and c-BN) phases are most common. The phase stability regimes of these BN phases […]


Continue.. Phase Stability of Hexagonal/cubic Boron Nitride Nanocomposites

Interpretable machine learning-accelerated seed treatment by nanomaterials for environmental stress alleviation

Kavli Affiliate: Dan Luo | First 5 Authors: Hengjie Yu, Dan Luo, Sam F. Y. Li, Maozhen Qu, Da Liu | Summary: Crops are constantly challenged by different environmental conditions. Seed treatment by nanomaterials is a cost-effective and environmentally-friendly solution for environmental stress mitigation in crop plants. Here, 56 seed nanopriming treatments are used to […]


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Picosecond volume expansion drives a later-time insulator-metal transition in a nano-textured Mott Insulator

Kavli Affiliate: Nicole A. Benedek | First 5 Authors: Anita Verma, Denis Golež, Oleg Yu. Gorobtsov, Kelson Kaj, Ryan Russell | Summary: Technology moves towards ever faster switching between different electronic and magnetic states of matter. Manipulating properties at terahertz rates requires accessing the intrinsic timescales of electrons (femtoseconds) and associated phonons (10s of femtoseconds […]


Continue.. Picosecond volume expansion drives a later-time insulator-metal transition in a nano-textured Mott Insulator

Picosecond volume expansion drives a later-time insulator-metal transition in a nano-textured Mott Insulator

Kavli Affiliate: Darrell G. Schlom | First 5 Authors: Anita Verma, Denis Golež, Oleg Yu. Gorobtsov, Kelson Kaj, Ryan Russell | Summary: Technology moves towards ever faster switching between different electronic and magnetic states of matter. Manipulating properties at terahertz rates requires accessing the intrinsic timescales of electrons (femtoseconds) and associated phonons (10s of femtoseconds […]


Continue.. Picosecond volume expansion drives a later-time insulator-metal transition in a nano-textured Mott Insulator

Visualizing the atomic-scale origin of metallic behavior in Kondo insulators

Kavli Affiliate: J. C. Seamus Davis | First 5 Authors: Harris Pirie, Eric Mascot, Christian E. Matt, Yu Liu, Pengcheng Chen | Summary: A Kondo lattice is often electrically insulating at low temperatures. However, several recent experiments have detected signatures of bulk metallicity within this Kondo insulating phase. Here we visualize the real-space charge landscape […]


Continue.. Visualizing the atomic-scale origin of metallic behavior in Kondo insulators

Giant spin Hall effect in AB-stacked MoTe2/WSe2 bilayers

Kavli Affiliate: Jie Shan | First 5 Authors: Zui Tao, Bowen Shen, Wenjin Zhao, Nai Chao Hu, Tingxin Li | Summary: The spin Hall effect (SHE), in which electrical current generates transverse spin current, plays an important role in spintronics for the generation and manipulation of spin-polarized electrons. The phenomenon originates from spin-orbit coupling. In […]


Continue.. Giant spin Hall effect in AB-stacked MoTe2/WSe2 bilayers