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Search Publications by: Christopher Jensen (Assoc)

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Displaying 1 - 7 of 7

Confined Room-TemperatureFerromagnetism in Kagome(Fe3Sn2/CoSn) Superlattices

August 6, 2026
Author(s)
Rajesh Dutta, Christopher Jensen, Tarush Tandon, Prajwal Laxmeesha, Alexander Velic, Murat Pamuk, Chuqiao Shi, Yu-Tsun Shao, Timothy Charlton, Jochen Stahn, Alexander Grutter, Julie Borchers, Steven May
We reveal the presence of robust ferromagnetism in topological kagome (Fe3Sn2/CoSn)×n superlattices via polarized neutron reflectivity (PNR) and magnetization measurements. Using molecular beam epitaxy, we have synthesized superlattices of alternating

Efficiently gate-tunable ferromagnetism in ferromagnetic semiconductor-Dirac semimetal p-n heterojunctions

March 6, 2026
Author(s)
Emma Steinebronn, Saurav Islam, Abhinava Chatterjee, Bimal Neupane, Alexander Grutter, Christopher Jensen, Julie Borchers, Timothy Charlton, Wilson J. Yanez-Parreno, Juan Chamorro, Tanya Berry, Supriya Ghosh, K. A. Nivedith, K. A. Mkhoyan, Tyrel McQueen, Yuanxi Wang, Chaoxing Liu, Nitin Samarth
We use molecular beam epitaxy to develop a gate tunable p-n heterojunction that interfaces a canonical Dirac semimetal, Cd3As2, and a ferromagnetic semiconductor, In1−xMnxAs, with perpendicular magnetic anisotropy. Measurements of the anomalous Hall effect

Depth-Resolved Magnetic Order in Superconducting Topological Insulator/FeTe Thin Film Heterostructures

October 14, 2025
Author(s)
Purnima P. Balakrishnan, Hemian Yi, Zi-Jie Yan, Wei Yuan, Andreas Suter, Christopher Jensen, Pascal Manuel, Fabio Orlandi, Takayasu Hanashima, Christy Kinane, Andrew Caruana, Dirk Backes, Padraic Shafer, Brian Maranville, Zaher Salman, Thomas Prokscha, Cui-Zu Chang, Alexander Grutter
The search for chiral topological superconductivity in magnetic topological insulator (TI)-FeTe heterostructures is a key frontier in condensed matter physics, with potential applications in topological quantum computing. The combination of ferromagnetism

Reconfigurable All-Nitride Magneto-Ionics

May 7, 2025
Author(s)
Zhijie Chen, Christopher Jensen, Chen Liu, Yijing Liu, Christy Kinane, Andrew Caruana, Alexander Grutter, Julie Borchers, Xixiang Zhang, Kai Liu
The rapid advancement of generative artificial intelligence has significantly increased the demand for both energy and data storage. Voltage control of magnetism has emerged as a potential solution to reduce energy consumption in nanoelectronics. Magneto

Altermagnetic band splitting in 10 nm epitaxial CrSb thin films

May 1, 2025
Author(s)
Sandra Santhosh, Yongxi Ou, Paul Corbae, Wilson Yanez-Parreno, Supriya Ghosh, Alexei Fedorov, Makoto Hashimoto, Donghui Lu, Christopher Jensen, Julie Borchers, Alexander Grutter, Timothy Charlton, Anthony Richardella, K. A. Mkhoyan, Christopher Palmstrom, Nitin Samarth
Altermagnets are a newly identified family of collinear antiferromagnets with a momentum-dependent spin-split band structure of non-relativistic origin, derived from spin-group symmetry-protected crystal structures. Among candidate altermagnets, CrSb is

Magneto-Ionic Physical Reservoir Computing

December 9, 2024
Author(s)
Md Mahadi Rajib, Dhritiman Bhattacharya, Christopher Jensen, Gong Chen, Fahim F. Chowdhury, Shouvik Sarkar, Kai Liu, Jayasimha Atulashimha
Recent progresses in magneto-ionics offer exciting potentials to leverage its non-linearity, short-term memory, and energy-efficiency to uniquely advance the field of physical reservoir computing. In this work, we experimentally demonstrate the

Room-Temperature Solid-State Nitrogen-Based Magneto-Ionics in CoxMn1-xN Films

October 15, 2024
Author(s)
Nicolau Lopez-Pinto, Christopher Jensen, Zhijie Chen, Zhengwei Tan, Zheng Ma, Maciej Liedke, Maik Butterling, Andreas Wagner, Javier Herrero-Martin, Enric Menendez, Josep Nogues, Kai Liu, Jordi Sort
The increasing energy demand in information technologies requires novel low-power procedures to store and process data. Magnetic materials, central to these technologies, are usually controlled through magnetic fields or spin-polarized currents that are
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