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Publications
Journal articles:
In submission
2023
2022
2021
2020
2019
Electronic documents are intended for internal use only.
Corrections are added for misprints where known.
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Articles in submission: |
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26. |
| The influence of strain and composition on the infrared active phonons in epitaxial β-(AlxGa1-x)2O3 deposited onto (010) β-Ga2O3
M. Stokey, R. Korlacki, S. Knight, M. Hilfiker, V. Darakchieva, A. Mauze, Y. Zhang, J. Speck, and M. Schubert
TBA XXX, (2021) |
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2022: |
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25. |
 | Editors' Pick
Hot-wall MOCVD for cost-effective epitaxial growth of β-Ga2O3
D. Gogova, M. Ghezellou, D. Q. Tran, S. Richter, A. Papamichail, J. ul Hassan, A. R. Persson, P. O. A. Persson, O. Kordina, B. Monemar, M. Hilfiker, M. Schubert, P. P. Paskov, and V. Darakchieva
AIP Advances 12, 055022 (2022) [View PDF (7.8 MB)] [DOI-link] |
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24. |
 | Anisotropic dielectric function, direction dependent bandgap energy, band order, and indirect to direct gap cross over in α-(AlxGa1-x)2O3 (0\le x \le 1)
M. Hilfiker, R. Korlacki, R. Jinno, Y. Cho, H. G. Xing, D. Jena, U. Kilic, M. Stokey, and M. Schubert
Appl. Phys. Lett. 121, 052101 (2022) [View PDF (3.0 MB)] [DOI-link] |
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23. |
| Elevated temperature spectroscopic ellipsometry analysis of the dielectric function, exciton, band-to-band transition, and high-frequency dielectric constant properties for single-crystal ZnGa2O4
M. Hilfiker, E. Williams, U. Kilic, Y. Traouli, N. Koeppe, J. Rivera, A. Abakar, M. Stokey, R. Korlacki, Z. Galazka, K. Irmscher, and M. Schubert
Appl. Phys. Lett. 120, 132105 (2022) [View PDF (2.3 MB)] [DOI-link] |
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22. |
 | Strain and composition dependencies of the near bandgap optical transitions in monoclinic (AlxGa1−x)2O3 alloys with coherent biaxial in-plane strain on (010) Ga2O3
R. Korlacki, M. Hilfiker, J. Knudtson, M. Stokey, U. Kilic, A. Mauze, Y. Zhang, J. Speck, V. Darakchieva, and M. Schubert
arXiv 2209, 06025 (2022) [View PDF (861 kB)] [DOI-link] |
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21. |
 | Strain and composition dependencies of the near bandgap optical transitions in monoclinic (AlxGa1-x)2O3 alloys with coherent biaxial in-plane strain on (010) Ga2O3
R. Korlacki, M. Hilfiker, J. Knudtson, M. Stokey, U. Kilic, A. Mauze, Y. Zhang, J. Speck, V. Darakchieva, and M. Schubert
Phys. Rev. Applied 18, 064019 (2022) [View PDF (3.3 MB)] [DOI-link] |
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20. |
| Infrared-active phonon modes and dielectric constants in α-(AlxGax-1)2O3 alloys
M. Stokey, T. Gramer, R. Korlacki, S. Knight, R. Jinno, Y. Cho, H. G. Xing, D. D. Jena, M. Hilfiker, V. Darakchieva, and M. Schubert
Appl. Phys. Lett. 120, 112202 (2022) [View PDF (2.3 MB)] [DOI-link] |
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19. |
 | Infrared dielectric functions and Brillouin zone center phonons of α-Ga2O3 compared to α-Al2O3
M. Stokey, R. Korlacki, M. Hilfiker, M. Knight, S. Richter, V. Darakchieva, R. Jinno, Y. Cho, H. G. Xing, D. Jena, Y. Oshima, K. Khan, E. Ahmadi, and M. Schubert
Phys. Rev. Materials 6, 014601 (2022) [View PDF (4.5 MB)] [DOI-link] |
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2021: |
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18. |
| High-frequency and below band gap anisotropic dielectric constants in α-(AlxGa1-x)2O3 (0\le x \le 1)
M. Hilfiker, U. Kilic, M. Stokey, R. Jinno, Y. Cho, H. Grace Xing, D. Jena, R. Korlacki, and M. Schubert
Appl. Phys. Lett. 119, 092103 (2021) [View PDF (2.3 MB)] [DOI-link] |
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17. |
| Anisotropic dielectric functions, band-to-band transitions, and critical points in α-Ga2O3
M. Hilfiker, R. Korlacki, R. Jinno, Y. Cho, H. G. Xing, D. Jena, U. Kilic, M. Stokey, and M. Schubert
Appl. Phys. Lett. 118, 062103 (2021) [View PDF (2.7 MB)] [DOI-link] |
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16. |
| Zinc gallate spinel dielectric function, band-to-band transitions, and Gamma-point effective mass parameters
M. Hilfiker, M. Stokey, R. Korlacki , U. Kilic, Z. Galazka, K. Irmscher, S. Zollner, and M. Schubert
Appl. Phys. Lett. 118, 132102 (2021) [View PDF (4.5 MB)] [DOI-link] |
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15. |
 | Broadband enhanced chirality with tunable response in hybrid plasmonic helical metamaterials
U. Kilic, M. Hilfiker, A. Ruder, R. Feder, E. Schubert, M. Schubert, and C. Argyropoulos
Advanced Functional Materials 31, 2010329 (2021) [View PDF (3.1 MB)] [DOI-link] |
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14. |
| Broadband enhanced chirality with tunable response in hybrid plasmonic helical metamaterials
U. Kilic, M. Hilfiker, A. Ruder, R. Feder, E. Schubert, M. Schubert, and C. Argyropoulos
arXiv 2101, 11549 (2021) [View PDF (3.6 MB)] [DOI-link] |
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13. |
 | Mueller matrix imaging microscope using dual continuously rotating anisotropic mirrors
A. Ruder, B. Wright, R. Feder, U. Kilic, M. Hilfiker, E. Schubert, C. M. Herzinger, and M. Schubert
Opt. Express 29, 28704-28724 (2021) [View PDF (16.7 MB)] [DOI-link] |
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12. |
| Infrared dielectric functions and Brillouin zone center phonons of α-Ga2O3 compared to α-Al2O3
M. Stokey, R. Korlacki, M. Hilfiker, S. Knight, S. Richter, V. Darakchieva, R. Jinno, Y. Cho, H. G. Xing, D. J. Jena, Y. Oshimaand K. Khan, E. Ahmadi, and M. Schubert
arXiv 2108, 12058 (2021) [View PDF (3.4 MB)] [DOI-link] |
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11. |
| Optical phonon modes, static and high frequency dielectric constants, and effective electron mass parameter in cubic In2O3
M. Stokey, R. Korlacki, S. Knight, A. Ruder, M. Hilfiker, Z. Galazka, K. Irmscher, Y. Zhang, H. Zhao, V. Darakchieva, and M. Schubert
arXiv 2104, 14611 (2021) [View PDF (3.9 MB)] [DOI-link] |
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10. |
 | Optical phonon modes, static and highfrequency dielectric constants, and effective
electron mass parameter in cubic In2O3
M. Stokey, R. Korlacki, S. Knight, A. Ruder, M. Hilfiker, Z. Galazka, K. Irmscher, Y. Zhang, H. Zhao, V. Darakchieva, and M. Schubert
J. Appl. Phys. 129, 225102 (2021) [View PDF (6.1 MB)] [DOI-link] |
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2020: |
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9. |
 | Mueller matrix ellipsometer using dual continuously rotating anisotropic mirrors
A. Ruder, B. Wright, D. Peev, R. Feder, U. Kilic, M. Hilfiker, C. M. Herzinger, and M. Schubert
Opt. Lett. 45, 3541-3544 (2020) [View PDF (545 kB)] [DOI-link] |
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2019: |
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8. |
| Dielectric function tensor (1.5 to 9.8~eV), anisotropy, and band-to-band transitions of monoclinic β-(AlxGa1-x)2O3 (x<0.21) films
M. Hilfiker, U. Kilic, A. Mock, V. Darakchieva, S. Knight, R. Korlacki, A. Mauze, Y. Zhang, J. Speck, and M. Schubert
Appl. Phys. Lett. 114, 231901 (2019) [View PDF (1.2 MB)] [DOI-link] |
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7. |
 | Tunable plasmonic resonances in highly porous nano-bamboo Au-Si superlattice-type thin films
U. Kilic, A. Mock, R. Feder, D. Sekora, M. Hilfiker, R. Korlacki, E. Schubert, C. Argyropoulos, and M. Schubert
Sci. Rep. 9, 71 (2019) [View PDF (2.1 MB)] [DOI-link] |
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last database entry from 2025-08-14 |
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