Publications

Herein is a list of research products that have been published in the open literature, which include: peer-reviewed journal articles and patents; including a list of works that are being reviewed or prepared for publication.

Peer-Reviewed Journal Articles

  • R. Plumley, S. R. Chitturi, C. Peng, T. A. Assefa, N. Burdet, L. Shen, Z. Chen, A. H. Reid, G. L. Dakovski, M. H. Seaberg, F. O’Dowd, S. A. Montoya, H. Chen, A. Okullo, S. Mardanya, S. D. Kevan, P. Fischer, E. E. Fullerton, S. K. Sinha, W. Colocho, A. Lutman, F.-J. Decker, S. Roy, J. Fujioka, Y. Tokura, M. P. Minitti, J. A. Johnson, M. Hoffmann, M. E. Amoo, A. Feiguin, C. Yoon, J. Thayer, Y. Nashed, C. Jia, A. Bansil, S. Chowdhury, A. M. Lindenberg, M. Dunne, E. Blackburn and J. J. Turner. On ultrafast X-ray scattering methods for magnetism. Adv. Phys. 9-1, 1-39 (2024).

  • A. Singh, J. Li, S. A. Montoya, S. Morley, P. Fischer, S. D. Kevan, E. E. Fullerton, D.-X. Yao, T. Datta, and S. Roy. Periodicity staircase in a centrosymmetric Fe/Gd magnetic thin film system. npj Quantum Materials 9, 2 (2024).

  • N. Tang, W.L.N.C. Liyanage, S. A. Montoya, S. Patel, L. J. Quigley, A. J. Grutter, M. R. Fitzsimmons, S. Sinha, J. A. Borchers, E. E. Fullerton, L. Debeer-Schmitt, and D. A. Gilbert. Skyrmion-excited spin-wave fractal networks. Adv. Mater. 35, 2370231 (2023).

  • WLNC Liyanage, N. Tang, S. A. Montoya, L. Quigley, J. A. Borchers, A. J. Grutter, S. K. Sinha, B. B. Maranville, E. E. Fullerton, L. Debeer-Schmitt, D. A. Gilbert. Three-Dimensional Structure of Hybrid Magnetic Skyrmions Determined by Neutron Scattering. Phys. Rev. B 107, 184412 (2023).

  • S. A. Montoya, M. Lubarda, and V. Lomakin. Transport properties of skyrmions in amorphous Fe/Gd multilayers. Comm. Phys. 5(1), 293 (2022).

  • D. Zusin, E. Iacocca, L. Le Guyader, A. H. Reid, W. F. Schlotter, T.-M. Liu, D. J. Higley, G. Coslovich, S. F. Wandel, P. M. Tengdin, S. K. K. Patel, A. Shabalin, N. Hua, S. B. Hrkac, H. T. Nemnach, J. M. Shaw, S. A. Montoya, A. Blonsky, C. Gentry, M. A. Hoefer, M. M. Murnane, H. C. Kapteyn, E. E. Fullerton, O. Shpyrko, H. A. Durr, T. J. Silva. Ultrafast domain dilation induced by optical pumping in ferromagnetic CoFe/Ni multilayers. Phys. Rev. B 106(14), 144422 (2022).

  • T. A. Assefa, M. H. Seaberg, A. H. Reid, L. Shen, V. Esposito, B. Holladay, R. Streubel, S. A. Montoya, P. Hart, K. Nakahara, S. Moeller, S. D. Kevan, P. Fischer, E. E. Fullerton, W. Colocho, A. Lutman, F.-J. Decker, S. K. Sinha, S. Roy, E. Blackburn, and J. J. Turner. Fluctuation-dissipation measurement instrument at LCLS. Rev. Sci. Instrum. 93, 083902 (2022).

  • A. Singh, J. C. T Lee, K. E. Avila, Y. Chen, R. S. Streubel, S. A. Montoya, E. E. Fullerton, P. Fischer, K. A. Dahmen, S. D. Kevan, M. K. Sanyal, S. Roy. Wavevector plateaus and modulated periodicities in an amorphous magnetic thin film. Phys. Rev. B 105, 094423 (2022).

  • M. H. Seaberg, B. Holladay, S. A. Montoya, X. Y. Zheng, J. C. T. Lee, A. H. Reid, J. D. Koralek, G. Coslovich, P. Walter, S. Zohar, V. Thampy, M. F. Lin, P. Hart, K. Nakahara, R. Streubel, S. D. Kevan, P. Fischer, W. Colocho, A. Lutman, F.-J. Decker, E. E. Fullerton, M. Dunne, S. Roy, S. K. Sinha, and J. J. Turner. Spontaneous fluctuations in a magnetic Fe/Gd skyrmion lattice. Phys. Rev. Res. 3, 033249 (2021).

  • J. Brock, S. A. Montoya, M.-Y. Im, E. E. Fullerton. Energy efficient current-induced magnetic skyrmions in Co/Ni/Pt thin-film multilayers. Phys. Rev. Mater. 4, 104409 (2020).

  • J. Brock, P. Vallobra, R. D. Tolley, S. A. Montoya, S. Mangin, E. E. Fullerton. Current-induced generation of skyrmions in Pt/Co/Os/Pt thin films. Phys. Rev. B 102, 024443 (2020).

  • V. Esposito, X.Y. Zheng, M. H. Seaberg, S. A. Montoya, B. Holladay, A. H. Reid, R. Streubel, J. C. Lee, L. Shen, J. D. Koralek, G. Coslovich, P. Walter, S. Zohar, V. Thampy, M. F. Lin, P. Hart, K. Kakahara, P. Fischer, W. Colocho, A. Lutman, F.-J. Decker, S. K. Sinha, E. E. Fullerton, S. D. Kevan, S. Roy, M. Dunne, J. J. Turner. Skyrmion fluctuations at a first-order phase transition boundary. Appl. Phys. Lett. 116, 181901 (2020).

  • S.-G. Je, H.-S. Han, S. K. Kim, S. A. Montoya, W. Chao, I.-S. Hong, E. E. Fullerton, K.-S. Lee, K.-J. Lee, M.-Y. Im, J.-I. Hong. Direct demonstration of topological stability of magnetic skyrmions via topology manipulation. ACS Nano 14 (3), 3251 (2020).

  • R. D. Desatels, L. DeBeer-Schmitt, S. A. Montoya, M. R. Fitzsimmons, E. E. Fullerton, D. Gilbert. Realization of magnetic skyrmions in nanostructures thin films at ambient conditions. Phys. Rev. Mater. 3, 104406 (2019).

  • A. Singh, J. C. T Lee, K. E. Avila, Y. Chen, S. A. Montoya, E. E. Fullerton, P. Fischer, K. A. Dahmen, S. D. Kevan, M. K. Sanyal, S. Roy. Dramatic reduction in domain cascades between stripe and skyrmion phases, Nature Comm. 10, 1988 (2019).

  • Q. Ma, H. Qian, S. A. Montoya, W. Bao, L. Ferrari, H. Hu, E. Khan, Y. Wang, E. E. Fullerton, E. Narimanov, X. Zhang, Z. Liu. Experimental demonstration of hyperbolic metamaterial assisted illumination nanoscopy. ACS Nano 12, 11, 11316-11322 (2018).

  • S. A. Montoya, R. Tolley, I. Gilbert, M.-Y. Im, E. E. Fullerton. Spin-orbit torque induced dipole skyrmion motion at room temperature. Phys. Rev. B 98, 104432 (2018).

  • R. Tolley, S. A. Montoya, and E. E. Fullerton. Room-temperature observation and current control of skyrmions in Pt/Co/Os/Pt thin films. Phys. Rev. Mater. 2, 044404 (2018).

  • R. Medapalli, D. Afanasiev, D. Kim, Y. Quessab, S. A. Montoya, A. Kirilyuk, T. Rasing, A. V. Kimel and E. E. Fullerton. Multiscale dynamics of helicity-dependent all-optical magnetization reversal in ferromagnetic Co/Pt multilayers. Phys. Rev. B 96, 224421 (2017).

  • M. H. Seaberg, B. Holladay, J. C. T. Lee, M. Sikorski, A. H. Reid, S. A. Montoya, G. L. Dakovski, J. D. Koralek, G. Coslovich, S. Moeller, W. F. Schlotter, R. Streubel, S. D. Kevan, P. Fischer, E. E. Fullerton, J. L. Turner, F.-J. Decker, S. K. Sinha, S. Roy and J. J. Turner. Nanosecond x-ray photon correlation spectroscopy on magnetic skyrmions. Phys. Rev. Lett. 119, 067403 (2017).

  • H.-H. Lin, F. Vallini, M.-H. Yang, R. Sharma, M. W. Puckett, S. A. Montoya, C. D. Wurm, E. E. Fullerton and Y. Fainman. Electronic metamaterials with tunable second-order optical nonlinearities. Sci. Rep. 7, 9983 (2017).

  • S. A. Montoya, S. Couture, J. J. Chess, J. C. T. Lee, N. Kent, M.-Y. Im, S. D. Kevan, P. Fischer, B. J. McMorran, S. Roy, V. Lomakin, and E. E. Fullerton. Resonant properties of dipole skyrmions. Phys. Rev. B 95, 224405 (2017).

  • H.-H. Lin, M.-H. Yang, R. Sharma, M. W. Puckett, S. A. Montoya, C. D. Wurm, F. Vallini, E. E. Fullerton and Y . Fainman. Synthesis of Second-order Nonlinearities in Dielectric-Semiconductor-Dielectric Metamaterials. App. Phys. Lett. 110,113103 (2017).

  • J. J. Chess, S. A. Montoya, T. R. Harvey, C. Ophus, S. Couture, V. Lomakin, E. E. Fullerton, B. J. McMorran. A streamlined approach to mapping magnetic induction of skyrmion materials. Ultramicroscopy 177, 78-83 (2017).

  • S. A. Montoya, S. Couture, J. J. Chess, J. C. T. Lee, N. Kent, D. Henze, S. K. Sinha, M.-Y. Im, S. D. Kevan, P. Fischer, B. J. McMorran, V. Lomakin, S. Roy and E. E. Fullerton. Tailoring magnetic energies to stabilize dipole skyrmions and skyrmion lattices. Phys. Rev. B 95, 024415 (2017).

  • J. Smalley, F. Vallini, S. A. Montoya, L. Ferrari, S. Shahin, C. Riley, B. Kante, E. E. Fullerton, Z. Liu and Y. Fainman, Luminescent Hyperbolic Metasurfaces, Nature Comm. 8, 13793 (2017).

  • J. C. T Lee, J. J. Chess, S. A. Montoya, X. Shi, N. Tamura, S. K. Mishra, P. Fischer, B. J. McMorran, S. K. Sinha, E. E. Fullerton, S. D. Kevan and S. Roy. Synthesizing skyrmion bound pairs in Fe-Gd films. Appl. Phys. Lett. 109, 022402 (2016).

Patents

  • S. A. Montoya and M. de Andrade. Spatial and Frequency Dependent Biomagnetic Field Detector. Patent Application # 19/063,078. Submitted on February 25, 2025.

  • S. A. Montoya, A. Leese de Escobar. Modular cryogenic package for operating cryogenic and/or superconducting technologies. Patent Application #19/027,634. Submitted on January 17, 2025.

  • S. A. Montoya, B. Taylor. Direction Finding Using a Single Electrically-Small Electromagnetic Field Sensing Device. Patent Application # 18/939,960. Submitted on November 7, 2024.

  • S. A. Montoya. Nonvolatile Memory Devices Based on Hybrid Magnetic-Superconductor Soliton States. Patent Application # 18/930,799. Submitted on October 29, 2024.

  • S. A. Montoya, F. E. Spada. Devices and methods for degaussing magnetic recording storage media. Patent Application # 18/667,943. Submitted on May 17, 2024.

  • S. A. Montoya, J. Jones. Passive electromagnetic and thermal noise mitigation methods for cryogenic RF devices. Patent Application # 18/584,658. Submitted on February 22, 2024.

  • S. A. Montoya, B. J. Taylor. Electronic packaging for electrically-small radio frequency devices with integrated magnetic field bias Patent # 11,776,736. Published on October 3, 2023.

  • S. A. Montoya, B. Taylor, A. Leese de Escobar, J. Jones. SQUID array with nonuniform wire geometry for detecting magnetic fields over a broad operational temperature range. Patent # 11,733,322B1. Published on August 22, 2023.

  • S. A. Montoya, M. de Andrade. Heat dissipation methods using frequency selective thin film coatings for cryogenic electronic circuits. Patent Application #18/225539. Submitted on July 24, 2023.

  • S. A. Montoya, B. J. Taylor, S. A. Berggren, A. Leese de Escobar, and N. Ferrante. Superconducting electronic circuit. U.S. Patent # 11,639,973. Published on May 5, 2023.

  • S. A. Montoya, A. Leese de Escobar. Cryogenic analog switch circuit. Patent Application #18/18501. Submitted on March 16, 2023.

  • B. Liu. S. A. Montoya, S. Sharma, C. Torres Jr., M. O’Brien, M. de Andrade. Electrical power delivery to cryogenic temperature stages via optical fibers and photovoltaic materials. Patent Application # 17/408232. Published on February 23, 2023.

Submitted / In-Preparation

  • W. S. Parker, J. Reddinger, S. A. Montoya, E. E. Fullerton, and B. J. McMorran. Hybrid Skyrmions in Magnetic Multilayer Thin Films are Half-Integer Hopfions. Submitted (2024).

  • J. A. Reddinger, E. E. Fullerton, R. Moraski, W. S. Parker, S. A. Montoya, and B. J. McMorran. Three-dimensional dipole antiskyrmions in Fe/Gd multilayers. Preprint (2024).

  • L. Shen, R. Tumbleson, R. Plumley, N. Drucker, Z. Porter, Sathya R. Chitturi, A. Singh, C. Carinan, L. P. Hoang, M. Teichmann, L. Mercadier, R. Carley, L. L. Guyader, G. Mercurio, A. Scherz, P. Villanueva-PÅLerez, S. A. Montoya, S. Morley, S. Roy, E. Blackburn, and J. J. Turner. Experimental observation of nonseparable spin fluctuations assisted by information theory. Preprint (2024).

  • S. A. Montoya, F. E. Spada. Temperature-dependent properties of Heat Assisted Magnetic Recording media and its implications on media sanitization. Preprint (2024)

  • S. A. Montoya, J. J. Chess, J. A. Brock, H. Gulati, E. E. Fullerton, B. J. McMorran. Intermediate chiral magnetic phases and associated magnetotransport properties. Preprint (2024).

  • S. A. Morley, J. Li, R. Tumbleson, S. A. Montoya, E. E. Fullerton, D. Lederman, S. D. Keva, and S. Roy Frustration of coupled helical structures in weakly perpendicular magnetic thin films. Physics Review B (2024) [under review].