Zobrazeno 1 - 10 of 21 pro vyhledávání: '"Jordan Chess"'
1
Akademický článek
Efficient linear phase contrast in scanning transmission electron microscopy with matched illumination and detector interferometry
Autor: Colin Ophus, Jim Ciston, Jordan Pierce, Tyler R. Harvey, Jordan Chess, Benjamin J. McMorran, Cory Czarnik, Harald H. Rose, Peter Ercius
Publikováno v: Nature Communications, Vol 7, Iss 1, Pp 1-7 (2016)
Scanning transmission electron microscopy is a powerful material probe, but constrained to large atomic number samples due to the issues of beam damage and weak scattering. Here, Ophus et al.propose a method that produces linear phase contrast in a f
Externí odkaz: https://doaj.org/article/9d85723497ef455f8d98cda4fc18fa77
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2
Akademický článek
Comparative metal oxide nanoparticle toxicity using embryonic zebrafish
Autor: Leah C. Wehmas, Catherine Anders, Jordan Chess, Alex Punnoose, Cliff B. Pereira, Juliet A. Greenwood, Robert L. Tanguay
Publikováno v: Toxicology Reports, Vol 2, Iss C, Pp 702-715 (2015)
Engineered metal oxide nanoparticles (MO NPs) are finding increasing utility in the medical field as anticancer agents. Before validation of in vivo anticancer efficacy can occur, a better understanding of whole-animal toxicity is required. We compar
Externí odkaz: https://doaj.org/article/452e707c4092461c921d4c3a4dbe1c4a
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3
ZnO nanoparticle preparation route influences surface reactivity, dissolution and cytotoxicity
Autor: Rebecca J. Hermann, Catherine B. Anders, Jordan Chess, Denise Wingett, Nevil A. Franco, Josh Eixenberger, Alex Punnoose, Katherine D. Rainey
Publikováno v: Environmental Science: Nano. 5:572-588
ZnO nanoparticles (nZnO) are commonly used in nanotechnology applications despite their demonstrated cytotoxicity against multiple cell types. This underscores the significant need to determine the physicochemical properties that influence nZnO cytot
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::97c1e34c9e2be28e544667d115d5ed1a
https://doi.org/10.1039/c7en00888k
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5
Probing Light Atoms at Subnanometer Resolution: Realization of Scanning Transmission Electron Microscope Holography
Autor: Fehmi S. Yasin, Peter Ercius, Jordan Chess, Colin Ophus, Jordan S. Pierce, Tyler R. Harvey, Benjamin J. McMorran
Publikováno v: Yasin, FS; Harvey, TR; Chess, JJ; Pierce, JS; Ophus, C; Ercius, P; et al.(2018). Probing Light Atoms at Subnanometer Resolution: Realization of Scanning Transmission Electron Microscope Holography. Nano Letters. doi: 10.1021/acs.nanolett.8b03166. Lawrence Berkeley National Laboratory: Retrieved from: http://www.escholarship.org/uc/item/8b03r5tk
Nano letters, vol 18, iss 11
Atomic resolution imaging in transmission electron microscopy (TEM) and scanning TEM (STEM) of light elements in electron-transparent materials has long been a challenge. Biomolecular materials, for example, are rapidly altered when illuminated with
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c43e2acf0c9d53008038d41449745aaa
http://www.escholarship.org/uc/item/8b03r5tk
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6
An X-band Co2+ EPR study of Zn1−Co O (x=0.005–0.1) nanoparticles prepared by chemical hydrolysis methods using diethylene glycol and denaturated alcohol at 5 K
Autor: S. Srinivasa Rao, Sushil K. Misra, Jordan Chess, S. I. Andronenko, Alex Punnoose
Publikováno v: Journal of Magnetism and Magnetic Materials. 394:138-142
EPR investigations on two types of dilute magnetic semiconductor (DMS) ZnO nanoparticles doped with 0.5–10% Co 2+ ions, prepared by two chemical hydrolysis methods, using: (i) diethylene glycol ((CH 2 CH 2 OH) 2 O) (NC-rod-like samples), and (ii) d
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c405ff316557a36f2a88f5379b0fc146
https://doi.org/10.1016/j.jmmm.2015.06.063
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7
Resonant properties of dipole skyrmions in amorphous Fe/Gd multilayers
Autor: S. A. Montoya, Peter Fischer, Mi-Young Im, James Lee, S. Roy, Eric E. Fullerton, S. Couture, Vitaliy Lomakin, Stephen D. Kevan, Benjamin J. McMorran, Noah Kent, Jordan Chess
Publikováno v: Montoya, SA; Couture, S; Chess, JJ; Lee, JCT; Kent, N; Im, MY; et al.(2017). Resonant properties of dipole skyrmions in amorphous Fe/Gd multilayers. Physical Review B, 95(22). doi: 10.1103/PhysRevB.95.224405. Lawrence Berkeley National Laboratory: Retrieved from: http://www.escholarship.org/uc/item/1hh844x5
The dynamic response of dipole skyrmions in Fe/Gd multilayer films is investigated by ferromagnetic resonance measurements and compared to micromagnetic simulations. We detail thickness and temperature dependent studies of the observed modes as well
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::269b96c846772a532e97b96f09926d91
https://doi.org/10.1103/physrevb.95.224405
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8
Streamlined approach to mapping the magnetic induction of skyrmionic materials
Autor: Jordan Chess, Vitaliy Lomakin, Colin Ophus, S. Couture, S. A. Montoya, Eric E. Fullerton, Benjamin J. McMorran, Tyler R. Harvey
Publikováno v: Chess, JJ; Montoya, SA; Harvey, TR; Ophus, C; Couture, S; Lomakin, V; et al.(2017). Streamlined approach to mapping the magnetic induction of skyrmionic materials. Ultramicroscopy, 177, 78-83. doi: 10.1016/j.ultramic.2017.02.004. Lawrence Berkeley National Laboratory: Retrieved from: http://www.escholarship.org/uc/item/19r1646f
© 2017 Elsevier B.V. Recently, Lorentz transmission electron microscopy (LTEM) has helped researchers advance the emerging field of magnetic skyrmions. These magnetic quasi-particles, composed of topologically non-trivial magnetization textures, hav
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1c07693c0444b928a5015c64c88a47d7
https://pubmed.ncbi.nlm.nih.gov/28314154
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9
Tailoring magnetic energies to form dipole skyrmions and skyrmion lattices
Autor: Dean Henze, Mi-Young Im, Sujoy Roy, Benjamin J. McMorran, Stephen D. Kevan, Vitaliy Lomakin, Eric E. Fullerton, Jordan Chess, James Lee, S. A. Montoya, Shantanu Sinha, Peter Fischer, S. Couture, Noah Kent
Publikováno v: Montoya, SA; Couture, S; Chess, JJ; Lee, JCT; Kent, N; Henze, D; et al.(2017). Tailoring magnetic energies to form dipole skyrmions and skyrmion lattices. Physical Review B, 95(2). doi: 10.1103/PhysRevB.95.024415. Lawrence Berkeley National Laboratory: Retrieved from: http://www.escholarship.org/uc/item/03074988
The interesting physics and potential memory technologies resulting from topologically protected spin textures such as skyrmions, has prompted efforts to discover new material systems that can host these kind of magnetic structures. Here we use the h
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d91c127bdb2d08cd52c325c1008caf3d
http://arxiv.org/abs/1608.01368
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10
Synthesizing skyrmion bound pairs in Fe-Gd thin films
Autor: Jordan Chess, Stephen D. Kevan, Peter Fischer, Xiaowen Shi, Nobumichi Tamura, S. A. Montoya, S. Roy, Eric E. Fullerton, James Lee, S. K. Mishra, Sunil K. Sinha, Benjamin J. McMorran
Publikováno v: Lee, JCT; Chess, JJ; Montoya, SA; Shi, X; Tamura, N; Mishra, SK; et al.(2016). Synthesizing skyrmion bound pairs in Fe-Gd thin films. Applied Physics Letters, 109(2). doi: 10.1063/1.4955462. Lawrence Berkeley National Laboratory: Retrieved from: http://www.escholarship.org/uc/item/8kz510gk
Applied Physics Letters, vol 109, iss 2
© 2016 Author(s). We show that properly engineered amorphous Fe-Gd alloy thin films with perpendicular magnetic anisotropy exhibit bound pairs of like-polarity, opposite helicity skyrmions at room temperature. Magnetic mirror symmetry planes present
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7b47910c52f8dc28df6d176e7eaeaf51
http://www.escholarship.org/uc/item/8kz510gk
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