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Search Publications by: Rebecca Dally (Fed)

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Displaying 1 - 25 of 26

Spin-lattice entanglement in CoPS3

June 10, 2025
Author(s)
Angela Hight Walker, Kevin Garrity, Rebecca Dally
Complex chalcogenides in the MPS3 family of materials (M = Mn, Fe, Co, and Ni) display remarkably different phase progressions depending upon the metal center orbital filling, character of the P–P linkage, and size of the van der Waals gap. There is also a

Ring-exchange interaction effects on magnons in the Dirac magnet CoTiO3

May 21, 2024
Author(s)
Yufei Li, Thuc Mai, Mohammed Karaki, Evan Jasper, Kevin Garrity, Chase Lyon, Daniel Shaw, Timmothy DeLazzer, Adam Biacchi, Rebecca Dally, Daniel Heligman, Jared Gdanski, Tehseen Adel, Maria Munoz, Alex Giovannone, Amit Pawbake, Clement Faugeras, Jeffrey Simpson, Kate Ross, Nandini Trivedi, Yuanming Lu, Angela R. Hight Walker, Rolando Valdes Aguilar
In magnetically ordered materials with localized electrons, it has been known for a long time [1–3] that the fundamental interactions are due to exchange of electrons. In most cases only the interaction between pairs of spins in neighboring atoms is taken

Skyrmion Lattice Formation and Destruction Mechanisms Probed with TR-SANS

April 30, 2024
Author(s)
W. L. N. C. Liyanage, Nan Tang, Rebecca Dally, Lizabeth J. Quigley, C. Buchanan, Guo-Jiun Shu, Nicholas Butch, Kathryn Krycka, Markus Bleuel, Julie A. Borchers, Debeer-Schmitt Lisa, Dustin Gilbert
Magnetic skyrmions are topologically protected, nanoscale whirls of the spin configuration that tend to form hexagonally ordered arrays. As a topologically non-trivial structure, the nucleation and annihilation of the skyrmion, as well as the interaction

Magnetism and Fermiology of Kagome Magnet YMn6Sn4Ge2

January 7, 2024
Author(s)
Hari Bhandari, Rebecca Dally, Peter E. Siegfried, Resham Regmi, Kirrily Rule, Songxue Chi, Jeffrey Lynn, I. Mazin, Nirmal J. Ghimire
Kagome lattice magnets are an interesting class of materials as they can host topological properties in their magnetic and electronic structures. YMn6Sn6 is one such compound in which a series of competing magnetic phases is stabilized by an applied

Dark Field X-ray Microscopy Below Liquid-Helium Temperature: The Case of NaMnO2

October 1, 2023
Author(s)
Jayden Plumb, Ishwor Poudyal, Rebecca Dally, Samantha Daly, Stephen Wilson, Zahir Islam
Dark field X-ray microscopy (DFXM) is an experimental technique employed to investigate material properties by probing their 'mesoscale,' or microscale structures, in a bulk-sensitive manner using hard X-rays at synchrotron radiation sources. However

Multi-k Magnetic Structure and Large Anomalous Hall Effect in Candidate Magnetic Weyl Semimetal NdAlGe

June 13, 2023
Author(s)
C. Dhital, Rebecca Dally, R. Ruvalcaba, R. Gonzalez-Hernandez, J. Guerrero-Sanchez, Huibo Cao, Q. Zhang, W. Tian, Y. Wu, M. Frontzek, S. K. Karna, A. Meads, B. Wilson, R. Chapai, D. Graf, J. Bacsa, R. Jin, J. DiTusa
The magnetic structure, magnetoresistance, and Hall effect of non-centrosymmetric magnetic semimetal NdAlGe are investigated revealing an unusual magnetic state and anomalous transport properties that are associated with the electronic structure of this

Orbital Character of the Spin-Reorientation Transition in TbMn6Sn6

May 9, 2023
Author(s)
S. X. Riberolles, Tyler Slade, Rebecca Dally, P. Sarte, Bing Li, Tianxiong Han, H. Lane, C. Stock, H. Bhandari, N. J. Ghimire, D. Abernathy, P. Canfield, Jeffrey Lynn, B. Ueland, R. McQueeney
TbMn 6Sn 6 is a topological ferrimagnet where the uniaxial anisotropy of the Tb 3+ ion generates out-of-plane magnetization of the ferromagnetic Mn kagome layer, resulting in the emergence of a two-dimensional Chern state. TbMn 6Sn 6 is also known to

Topological Phase Transition and Charge-Spin Coupling in the Kagome Metal YMn 6 Sn 6

March 15, 2022
Author(s)
Peter E. Siegfried, Hari Bhandari, David C. Jones, Madhav P. Ghimire, Rebecca Dally, Lekh Poudel, Markus Bleuel, Jeffrey Lynn, Igor I. Mazin, Nirmal J. Ghimire
The Fermi surface (FS) is essential for understanding the properties of metals. It can change under both conventional symmetry-breaking phase transitions and Lifshitz transitions (LTs), where the FS, but not the crystal symmetry, changes abruptly. Magnetic

Dynamically Preferred State with Strong Electronic Fluctuations from Electrochemical Synthesis of Sodium Manganate

February 2, 2022
Author(s)
Xi Chen, Yichao Wang, Yiping Wang, Rebecca Dally, Kamila Wiaderek, Tianyu Qiao, Jue Liu, Enyuan Hu, Kenneth Burch, Jeffrey W. Lynn, Xin Li
Electrochemical (de-)intercalation is a delicate method to precisely control the alkaline ion composition in alkaline transition metal oxides. Due to the interactions among alkaline ions, and with metal oxide layers, alkaline and transition metal charge

Magnetic structure of magnetoelectric multiferroic HoFeWO6

February 1, 2022
Author(s)
C. Dhital, Rebecca Dally, D. Pham, T. Keen, Qiang Zhang, P. Siwakoti, R. Nepal, R. Jin, R. Rai
The polar magnetic oxide, HoFeWO6, is synthesized, and its crystal structure, magnetic structure, and thermodynamic properties are investigated. HoFeWO6 forms the polar crystal structure (space group Pna21 (#33)) due to the cation ordering of W6+ and Fe3+

Evaluating the Effects of Structural Disorder on the Magnetic Properties of Nd 2 Zr 2 O 7

August 9, 2021
Author(s)
Eli Zoghlin, Julian Schmehr, Collin Holgate, Rebecca Dally, Yaohua Liu, Geneva Laurita, Stephen Wilson
Motivated by the variation in reported lattice parameters of floating-zone-grown Nd 2Zr 2O 7 crystals, we have performed a detailed study of the relationship between synthesis environment, structural disorder, and magnetic properties. Using a combination

Isotropic Nature of the Metallic Kagome Ferromagnet Fe 3 Sn 2 at High Temperatures

March 20, 2021
Author(s)
Rebecca Dally, Daniel Phelan, Nicholas Bishop, Nirmal J. Ghimire, Jeffrey Lynn
Anisotropy and competing exchange interactions have emerged as two central ingredients needed for centrosymmetric materials to exhibit topological spin textures. Fe 3Sn 2 is thought to have these ingredients as well, as it has recently been discovered to

Magnetic Phase Transitions and Spin Density Distribution in the Molecular Multiferroic System GaV 4 S 8

July 6, 2020
Author(s)
Rebecca Dally, William Ratcliff, Lunyong Zhang, Heung-Sik Kim, Markus Bleuel, J. W. Kim, Kristjan Haule, David Vanderbilt, Sang-Wook Cheong, Jeffrey Lynn
We have carried out neutron diffraction and small angle neutron scattering measurements on a high quality single crystal of the cubic lacunar spinel multiferroic, GaV 4S 8, as a function of magnetic field and temperature to determine the magnetic form

Three-Magnon Bound States in the Quasi-One-Dimensional Antiferromagnet a-NaMnO 2

May 14, 2020
Author(s)
Rebecca L Dally, Alvin J. R. Heng, Anna Keselman, Mitchell M. Bordelon, Matthew B. Stone, Leon Balents, Stephen D. Wilson
Here we report on the formation of two and three magnon bound states in the quasi-one-dimensional antiferromagnet α-NaMnO 2, where the single-ion, uniaxial anisotropy inherent to the Mn 3+ ions in this material provides a binding mechanism capable of
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