1-20 of 158
A. Hoffmann
Close
Save search
Follow your search
Access your saved searches in your account
Close Modal
Sort by
Journal Articles

Overview of the early campaign diagnostics for the SPARC tokamak (invited)

M. L. Reinke, I. Abramovic, A. Albert, K. Asai, J. Ball, J. Batko, J. Brettingen, D. Brunner, M. Cario, J. Carmichael, C. Chrobak, A. Creely, D. Cykman, M. Dalla Rosa, E. Dubas, C. Downey, A. Ferrera, J. Frenje, E. Fox-Widdows, R. Gocht, G. Gorini, R. Granetz, M. Greenwald, A. Grieve, M. Hanson, J. Hawke, T. Henderson, S. Hicks, J. Hillesheim, A. Hoffmann, I. Holmes, N. Howard, A. Hubbard, J. W. Hughes, J. Ilagan, J. Irby, M. Jean, G. Kaur, R. Kennedy, E. Kowalski, A. Q. Kuang, R. Kulchy, M. LaCapra, C. Lafleur, M. Lagieski, R. Li, Y. Lin, T. Looby, R. Zubieta Lupo, S. Mackie, E. Marmar, S. McKanas, A. Moncada, R. Mumgaard, C. E. Myers, V. Nikolaeva, M. Nocente, S. Normile, C. Novoa, S. Ouellet, E. Panontin, C. Paz-Soldan, J. Pentecost, C. Perks, M. Petruzzo, M. Quinn, J. Raimond, P. Raj, M. Rebai, V. Riccardo, D. Rigamonti, J. E. Rice, A. Rosenthal, M. Safabakhsh, A. Saltos, J. Shanahan, M. Silva Sa, I. Song, J. Souza, B. Stein-Lubrano, I. G. Stewart, R. Sweeney, M. Tardocchi, A. Tinguely, D. Vezinet, X. Wang, J. Witham
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 95, 103518 (2024)
https://doi.org/10.1063/5.0218254
Published: October 2024
View articletitled, Overview of the early campaign diagnostics for the SPARC tokamak (invited)
Open the PDF for Overview of the early campaign diagnostics for the SPARC tokamak (invited) in another window
Journal Articles

SPARC x-ray diagnostics: Technical and functional overview

D. Vezinet, C. J. Perks, E. Panontin, S. Normile, R. A. Tinguely, J. Rice, M. Reinke, M. Cario, J. Raimond, A. Hoffmann, E. Dubas, A. Saltos, R. Kennedy
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 95, 093515 (2024)
https://doi.org/10.1063/5.0219486
Published: September 2024
View articletitled, SPARC x-ray diagnostics: Technical and functional overview
Open the PDF for SPARC x-ray diagnostics: Technical and functional overview in another window
Journal Articles

Emerging materials in antiferromagnetic spintronics

V. Baltz, A. Hoffmann, S. Emori, D.-F. Shao, T. Jungwirth
Journal: APL Materials
APL Mater. 12, 030401 (2024)
https://doi.org/10.1063/5.0206199
Published: March 2024
View articletitled, Emerging materials in antiferromagnetic spintronics
Open the PDF for Emerging materials in antiferromagnetic spintronics in another window
Journal Articles

Impact of nanoscale fluctuations and cap-layer thickness in buried InGaN single quantum wells probed by tip-enhanced Raman scattering

Editor’s Pick
M. Ries, E. Poliani, F. Nippert, D. Seidlitz, L. T. H. Greif, I. Koslow, J. Bläsing, M. Auf der Maur, A. Hoffmann, N. Esser, M. R. Wagner
Journal: Journal of Applied Physics
J. Appl. Phys. 133, 094303 (2023)
https://doi.org/10.1063/5.0129896
Published: March 2023
View articletitled, Impact of nanoscale fluctuations and cap-layer thickness in buried InGaN single quantum wells probed by tip-enhanced Raman scattering
Open the PDF for Impact of nanoscale fluctuations and cap-layer thickness in buried InGaN single quantum wells probed by tip-enhanced Raman scattering in another window
Includes: Supplementary data
Journal Articles

Spin dynamics in permalloy nano-ellipses for honeycomb and square lattices

Wonbae Bang, M. T. Kaffash, M. T. Hossain, A. Hoffmann, J. B. Ketterson, M. B. Jungfleisch
Journal: AIP Advances
AIP Advances 12, 035131 (2022)
https://doi.org/10.1063/9.0000307
Published: March 2022
View articletitled, Spin dynamics in permalloy nano-ellipses for honeycomb and square lattices
Open the PDF for Spin dynamics in permalloy nano-ellipses for honeycomb and square lattices in another window
Journal Articles

A compact and fast magnetic coil for the manipulation of quantum gases with Feshbach resonances

A. Kell, M. Link, M. Breyer, A. Hoffmann, M. Köhl, K. Gao
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 92, 093202 (2021)
https://doi.org/10.1063/5.0049518
Published: September 2021
View articletitled, A compact and fast magnetic coil for the manipulation of quantum gases with Feshbach resonances
Open the PDF for A compact and fast magnetic coil for the manipulation of quantum gases with Feshbach resonances in another window
Journal Articles

Nanoscale InN clusters and compositional inhomogeneities in InGaN epitaxial layers quantified by tip-enhanced Raman scattering

D. Seidlitz, E. Poliani, M. Ries, A. Hoffmann, M. R. Wagner
Journal: Applied Physics Letters
Appl. Phys. Lett. 118, 162107 (2021)
https://doi.org/10.1063/5.0040760
Published: April 2021
View articletitled, Nanoscale InN clusters and compositional inhomogeneities in InGaN epitaxial layers quantified by tip-enhanced Raman scattering
Open the PDF for Nanoscale InN clusters and compositional inhomogeneities in InGaN epitaxial layers quantified by tip-enhanced Raman scattering in another window
Journal Articles

Triple group-V donors in ZnO

Editor’s Pick
Manu Hegde, F. Mohammadbeigi, T. Kure, E. Senthil Kumar, M. R. Wagner, A. Hoffmann, S. P. Watkins
Journal: Journal of Applied Physics
J. Appl. Phys. 127, 075705 (2020)
https://doi.org/10.1063/1.5144203
Published: February 2020
View articletitled, Triple group-V donors in ZnO
Open the PDF for Triple group-V donors in ZnO in another window
Journal Articles

Ferromagnetic resonance spectra of permalloy nano-ellipses as building blocks for complex magnonic lattices

Featured
Wonbae Bang, F. Montoncello, M. T. Kaffash, A. Hoffmann, J. B. Ketterson, M. B. Jungfleisch
Journal: Journal of Applied Physics
J. Appl. Phys. 126, 203902 (2019)
https://doi.org/10.1063/1.5126679
Published: November 2019
View articletitled, Ferromagnetic resonance spectra of permalloy nano-ellipses as building blocks for complex magnonic lattices
Open the PDF for Ferromagnetic resonance spectra of permalloy nano-ellipses as building blocks for complex magnonic lattices in another window
Journal Articles

Thickness dependence of spin wave dynamics in three-fold nano-ellipse clusters

Wonbae Bang, F. Montoncello, A. Hoffmann, L. Giovannini, J. B. Ketterson
Journal: AIP Advances
AIP Advances 8, 101502 (2018)
https://doi.org/10.1063/1.5043097
Published: October 2018
View articletitled, Thickness dependence of spin wave dynamics in three-fold nano-ellipse clusters
Open the PDF for Thickness dependence of spin wave dynamics in three-fold nano-ellipse clusters in another window
Journal Articles

Generation of keV hot near-solid density plasma states at high contrast laser-matter interaction

O. N. Rosmej, Z. Samsonova, S. Höfer, D. Kartashov, C. Arda, D. Khaghani, A. Schoenlein, S. Zähter, A. Hoffmann, R. Loetzsch, A. Saevert, I. Uschmann, M. E. Povarnitsyn, N. E. Andreev, L. P. Pugachev, M. C. Kaluza, C. Spielmann
Journal: Physics of Plasmas
Phys. Plasmas 25, 083103 (2018)
https://doi.org/10.1063/1.5027463
Published: July 2018
View articletitled, Generation of keV hot near-solid density plasma states at high contrast laser-matter interaction
Open the PDF for Generation of keV hot near-solid density plasma states at high contrast laser-matter interaction in another window
Journal Articles

Size analysis of sub-resolution objects by Kerr microscopy

I. V. Soldatov, W. Jiang, S. G. E. te Velthuis, A. Hoffmann, R. Schäfer
Journal: Applied Physics Letters
Appl. Phys. Lett. 112, 262404 (2018)
https://doi.org/10.1063/1.5027539
Published: June 2018
View articletitled, Size analysis of sub-resolution objects by Kerr microscopy
Open the PDF for Size analysis of sub-resolution objects by Kerr microscopy in another window
Journal Articles

X-ray emission generated by laser-produced plasmas from dielectric nanostructured targets

Z. Samsonova, S. Höfer, A. Hoffmann, B. Landgraf, M. Zürch, I. Uschmann, D. Khaghani, O. Rosmej, P. Neumayer, R. Röder, L. Trefflich, C. Ronning, E. Förster, C. Spielmann, D. Kartashov
Journal: AIP Conference Proceedings
AIP Conf. Proc. 1811, 180001 (2017)
https://doi.org/10.1063/1.4975743
Published: March 2017
View articletitled, X-ray emission generated by laser-produced plasmas from dielectric nanostructured targets
Open the PDF for X-ray emission generated by laser-produced plasmas from dielectric nanostructured targets in another window
Journal Articles

Differential carrier lifetime in InGaN-based light-emitting diodes obtained by small-signal frequency-domain measurements

I. Reklaitis, F. Nippert, R. Kudžma, T. Malinauskas, S. Karpov, I. Pietzonka, H. J. Lugauer, M. Strassburg, P. Vitta, R. Tomašiūnas, A. Hoffmann
Journal: Journal of Applied Physics
J. Appl. Phys. 121, 035701 (2017)
https://doi.org/10.1063/1.4973903
Published: January 2017
View articletitled, Differential carrier lifetime in InGaN-based light-emitting diodes obtained by small-signal frequency-domain measurements
Open the PDF for Differential carrier lifetime in InGaN-based light-emitting diodes obtained by small-signal frequency-domain measurements in another window
Journal Articles

Jet delivery system for Raman scattering on bio-inorganic compounds

A. Wetzel, F. Biebl, K. R. Beyerlein, J. Stanek, L. Gumprecht, A. Hoffmann, S. Herres-Pawlis, S. Bajt, H. N. Chapman, B. Grimm-Lebsanft, D. Rukser, M. Rübhausen
Journal: Applied Physics Letters
Appl. Phys. Lett. 109, 213502 (2016)
https://doi.org/10.1063/1.4967476
Published: November 2016
View articletitled, Jet delivery system for Raman scattering on bio-inorganic compounds
Open the PDF for Jet delivery system for Raman scattering on bio-inorganic compounds in another window
Journal Articles

Fabrication and structural properties of AlN submicron periodic lateral polar structures and waveguides for UV-C applications

D. Alden, W. Guo, R. Kirste, F. Kaess, I. Bryan, T. Troha, A. Bagal, P. Reddy, Luis H. Hernandez-Balderrama, A. Franke, S. Mita, C.-H. Chang, A. Hoffmann, M. Zgonik, R. Collazo, Z. Sitar
Journal: Applied Physics Letters
Appl. Phys. Lett. 108, 261106 (2016)
https://doi.org/10.1063/1.4955033
Published: June 2016
View articletitled, Fabrication and structural properties of AlN submicron periodic lateral polar structures and waveguides for UV-C applications
Open the PDF for Fabrication and structural properties of AlN submicron periodic lateral polar structures and waveguides for UV-C applications in another window
Journal Articles

Investigation of proton damage in III-V semiconductors by optical spectroscopy

E. Yaccuzzi, S. Khachadorian, S. Suárez, M. Reinoso, A. R. Goñi, A. Strittmatter, A. Hoffmann, P. Giudici
Journal: Journal of Applied Physics
J. Appl. Phys. 119, 235702 (2016)
https://doi.org/10.1063/1.4953585
Published: June 2016
View articletitled, Investigation of proton damage in III-V semiconductors by optical spectroscopy
Open the PDF for Investigation of proton damage in III-V semiconductors by optical spectroscopy in another window
Journal Articles

Evaluation of local free carrier concentrations in individual heavily-doped GaN:Si micro-rods by micro-Raman spectroscopy

M. S. Mohajerani, S. Khachadorian, T. Schimpke, C. Nenstiel, J. Hartmann, J. Ledig, A. Avramescu, M. Strassburg, A. Hoffmann, A. Waag
Journal: Applied Physics Letters
Appl. Phys. Lett. 108, 091112 (2016)
https://doi.org/10.1063/1.4943079
Published: March 2016
View articletitled, Evaluation of local free carrier concentrations in individual heavily-doped GaN:Si micro-rods by micro-Raman spectroscopy
Open the PDF for Evaluation of local free carrier concentrations in individual heavily-doped GaN:Si micro-rods by micro-Raman spectroscopy in another window
Journal Articles

Gyrotropic frequency control in ferromagnetic dots using a nanoscale vortex barrier

J. Ding, S. Jain, P. N. Lapa, T. Khaire, S. Lendinez, C. M. Posada, W. Zhang, J. E. Pearson, A. Hoffmann, V. Novosad
Journal: AIP Advances
Series: Magnetism and Magnetic Materials
AIP Advances 6, 056102 (2016)
https://doi.org/10.1063/1.4942794
Published: February 2016
View articletitled, Gyrotropic frequency control in ferromagnetic dots using a nanoscale vortex barrier
Open the PDF for Gyrotropic frequency control in ferromagnetic dots using a nanoscale vortex barrier in another window
Journal Articles

Sensitivity and noise of micro-Hall magnetic sensors based on InGaAs quantum wells

B. Chenaud, A. Segovia-Mera, A. Delgard, N. Feltin, A. Hoffmann, F. Pascal, W. Zawadzki, D. Mailly, C. Chaubet
Journal: Journal of Applied Physics
J. Appl. Phys. 119, 024501 (2016)
https://doi.org/10.1063/1.4939288
Published: January 2016
View articletitled, Sensitivity and noise of micro-Hall magnetic sensors based on InGaAs quantum wells
Open the PDF for Sensitivity and noise of micro-Hall magnetic sensors based on InGaAs quantum wells in another window