Search Results - "Kelson, D"

An 800-million-solar-mass black hole in a significantly neutral Universe at a redshift of 7.5 by Bañados, Eduardo, Venemans, Bram P., Mazzucchelli, Chiara, Farina, Emanuele P., Walter, Fabian, Wang, Feige, Decarli, Roberto, Stern, Daniel, Fan, Xiaohui, Davies, Frederick B., Hennawi, Joseph F., Simcoe, Robert A., Turner, Monica L., Rix, Hans-Walter, Yang, Jinyi, Kelson, Daniel D., Rudie, Gwen C., Winters, Jan Martin

“…Observations of a quasar at redshift 7.54, when the Universe was just five per cent of its current age, suggest that the Universe was significantly neutral at…”
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beta -Ga2O3 MOSFETs for Radio Frequency Operation by Green, Andrew Joseph, Chabak, Kelson D., Baldini, Michele, Moser, Neil, Gilbert, Ryan, Fitch, Robert C., Wagner, Gunter, Galazka, Zbigniew, Mccandless, Jonathan, Crespo, Antonio, Leedy, Kevin, Jessen, Gregg H.

“…We demonstrate a β-Ga 2 O 3 MOSFET with record-high transconductance (gm) of 21 mS/mm and extrinsic cutoff frequency (fT) and maximum oscillating frequency…”
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Flexible Gallium Nitride for High‐Performance, Strainable Radio‐Frequency Devices by Glavin, Nicholas R., Chabak, Kelson D., Heller, Eric R., Moore, Elizabeth A., Prusnick, Timothy A., Maruyama, Benji, Walker, Dennis E., Dorsey, Donald L., Paduano, Qing, Snure, Michael

“…Flexible gallium nitride (GaN) thin films can enable future strainable and conformal devices for transmission of radio‐frequency (RF) signals over large…”
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Optimal Techniques in Two‐dimensional Spectroscopy: Background Subtraction for the 21st Century by Kelson, Daniel D.

“…In two‐dimensional spectrographs, the optical distortions in the spatial and dispersion directions produce variations in the subpixel sampling of the…”
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Donors and deep acceptors in β-Ga2O3 by Neal, Adam T., Mou, Shin, Rafique, Subrina, Zhao, Hongping, Ahmadi, Elaheh, Speck, James S., Stevens, Kevin T., Blevins, John D., Thomson, Darren B., Moser, Neil, Chabak, Kelson D., Jessen, Gregg H.

“…We have studied the properties of Si, Ge shallow donors and Fe, Mg deep acceptors in β-Ga2O3 through temperature dependent van der Pauw and Hall effect…”
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Confirmation of a Substantial Discrepancy between Radio and UV–IR Measures of the Star Formation Rate Density at 0.2 < z < 1.3 by Matthews, A. M., Kelson, D. D., Newman, A. B., Camilo, F., Condon, J. J., Cotton, W. D., Dickinson, M., Jarrett, T. H., Lacy, M.

“…Abstract We present the initial sample of redshifts for 3839 galaxies in the MeerKAT DEEP2 field—the most sensitive ∼1.4 GHz radio field yet observed with σ n…”
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Transient Thermal Management of a β-Ga₂O₃ MOSFET Using a Double-Side Diamond Cooling Approach by Kim, Samuel H., Shoemaker, Daniel, Green, Andrew J., Chabak, Kelson D., Liddy, Kyle J., Graham, Samuel, Choi, Sukwon

“…<inline-formula> <tex-math notation="LaTeX">\beta </tex-math></inline-formula>-phase gallium oxide (<inline-formula> <tex-math notation="LaTeX">\beta…”
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Early spectra of the gravitational wave source GW170817: Evolution of a neutron star merger by Shappee, B. J., Simon, J. D., Drout, M. R., Piro, A. L., Morrell, N., Prieto, J. L., Kasen, D., Holoien, T. W.-S., Kollmeier, J. A., Kelson, D. D., Coulter, D. A., Foley, R. J., Kilpatrick, C. D., Siebert, M. R., Madore, B. F., Murguia-Berthier, A., Pan, Y.-C., Prochaska, J. X., Ramirez-Ruiz, E., Rest, A., Adams, C., Alatalo, K., Bañados, E., Baughman, J., Bernstein, R. A., Bitsakis, T., Boutsia, K., Bravo, J. R., Di Mille, F., Higgs, C. R., Ji, A. P., Maravelias, G., Marshall, J. L., Placco, V. M., Prieto, G., Wan, Z.

“…On 17 August 2017, Swope Supernova Survey 2017a (SSS17a) was discovered as the optical counterpart of the binary neutron star gravitational wave event…”
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Highly conductive homoepitaxial Si-doped Ga2O3 films on (010) β-Ga2O3 by pulsed laser deposition by Leedy, Kevin D., Chabak, Kelson D., Vasilyev, Vladimir, Look, David C., Boeckl, John J., Brown, Jeff L., Tetlak, Stephen E., Green, Andrew J., Moser, Neil A., Crespo, Antonio, Thomson, Darren B., Fitch, Robert C., McCandless, Jonathan P., Jessen, Gregg H.

“…Si-doped Ga2O3 thin films were fabricated by pulsed laser deposition on semi-insulating (010) β-Ga2O3 and (0001) Al2O3 substrates. Films deposited on β-Ga2O3…”
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Incomplete Ionization of a 110 meV Unintentional Donor in β-Ga2O3 and its Effect on Power Devices by Neal, Adam T., Mou, Shin, Lopez, Roberto, Li, Jian V., Thomson, Darren B., Chabak, Kelson D., Jessen, Gregg H.

“…Understanding the origin of unintentional doping in Ga 2 O 3 is key to increasing breakdown voltages of Ga 2 O 3 based power devices. Therefore, transport and…”
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Late Bloomer Galaxies: Growing Up in Cosmic Autumn by Dressler, Alan, Kelson, Daniel D., E. Abramson, Louis

“…Late bloomers (LBs) are massive ( ) galaxies at z < 1 that formed the majority of their stars within ∼2 Gyr of the epoch of observation. Our improved…”
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LATIS: The Stellar Mass–Metallicity Relation of Star-forming Galaxies at z ∼ 2.5 by Chartab, Nima, Newman, Andrew B., Rudie, Gwen C., Blanc, Guillermo A., Kelson, Daniel D.

“…Abstract We present the stellar mass–stellar metallicity relation for 3491 star-forming galaxies at 2 ≲ z ≲ 3 using rest-frame far-ultraviolet spectra from the…”
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Constraints on Fluctuating Star Formation Rates for Intermediate-mass Galaxies with Hα and UV Luminosities by Patel, Shannon G., Kelson, Daniel D., Abramson, Louis E., Sattari, Zahra, Lorenz, Brian

“…Abstract We study the recent star formation histories (SFHs) of 575 intermediate-mass galaxies (IMGs, 10 9 ≤ M / M ⊙ ≤ 10 10 ) in COSMOS at 0.3 < z < 0.4 by…”
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ScAlN/GaN High-Electron-Mobility Transistors With 2.4-A/mm Current Density and 0.67-S/mm Transconductance by Green, Andrew J., Gillespie, James K., Fitch, Robert C., Walker, Dennis E., Lindquist, Miles, Crespo, Antonio, Brooks, Dan, Beam, Edward, Xie, Andy, Kumar, Vipan, Jimenez, Jose, Lee, Cathy, Cao, Yu, Chabak, Kelson D., Jessen, Gregg H.

“…We report the dc and RF performance of ScAlN/GaN high-electron-mobility transistors (HEMTs). The ScAlN/GaN material was epitaxially grown onto a GaN template…”
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A magnified young galaxy from about 500 million years after the Big Bang by Zheng, Wei, Postman, Marc, Zitrin, Adi, Moustakas, John, Shu, Xinwen, Jouvel, Stephanie, Høst, Ole, Molino, Alberto, Bradley, Larry, Coe, Dan, Moustakas, Leonidas A., Carrasco, Mauricio, Ford, Holland, Benítez, Narciso, Lauer, Tod R., Seitz, Stella, Bouwens, Rychard, Koekemoer, Anton, Medezinski, Elinor, Bartelmann, Matthias, Broadhurst, Tom, Donahue, Megan, Grillo, Claudio, Infante, Leopoldo, Jha, Saurabh W., Kelson, Daniel D., Lahav, Ofer, Lemze, Doron, Melchior, Peter, Meneghetti, Massimo, Merten, Julian, Nonino, Mario, Ogaz, Sara, Rosati, Piero, Umetsu, Keiichi, van der Wel, Arjen

“…Gravitationally magnified images of a faint galaxy from only 500 million years after the Big Bang suggest that galaxies of that age may be the dominant source…”
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Nanoscale groove textured β-Ga2O3 by room temperature inverse metal-assisted chemical etching and photodiodes with enhanced responsivity by Kim, Munho, Huang, Hsien-Chih, Kim, Jeong Dong, Chabak, Kelson D., Kalapala, Akhil Raj Kumar, Zhou, Weidong, Li, Xiuling

“…β-Ga2O3 is an emerging wide band-gap semiconductor that holds great promise for next generation power electronics and optoelectronics. β-Ga2O3 based…”
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The XMM-SERVS survey: new XMM–Newton point-source catalogue for the XMM-LSS field by Chen (陳建廷), C-T J, Brandt, W N, Luo, B, Ranalli, P, Yang, G, Alexander, D M, Bauer, F E, Kelson, D D, Lacy, M, Nyland, K, Tozzi, P, Vito, F, Cirasuolo, M, Gilli, R, Jarvis, M J, Lehmer, B D, Paolillo, M, Schneider, D P, Shemmer, O, Smail, I, Sun, M, Tanaka, M, Vaccari, M, Vignali, C, Xue, Y Q, Banerji, M, Chow, K E, Häußler, B, Norris, R P, Silverman, J D, Trump, J R

“…We present an X-ray point-source catalogue from the XMM-Large Scale Structure (XMMLSS) survey region, one of the XMM-Spitzer Extragalactic Representative…”
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Wide-field Optical Spectroscopy of Abell 133: A Search for Filaments Reported in X-Ray Observations by Connor, Thomas, Kelson, Daniel D., Mulchaey, John, Vikhlinin, Alexey, Patel, Shannon G., Balogh, Michael L., Joshi, Gandhali, Kraft, Ralph, Nagai, Daisuke, Starikova, Svetlana

“…Filaments of the cosmic web have long been associated with the threadlike structures seen in galaxy redshift surveys. However, despite their baryon content…”
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Fraction of Clumpy Star-forming Galaxies at 0.5 ≤ z ≤ 3 in UVCANDELS: Dependence on Stellar Mass and Environment by Sattari, Zahra, Mobasher, Bahram, Chartab, Nima, Kelson, Daniel D., Teplitz, Harry I., Rafelski, Marc, Grogin, Norman A., Koekemoer, Anton M., Wang, Xin, Windhorst, Rogier A., Alavi, Anahita, Prichard, Laura, Sunnquist, Ben, Gardner, Jonathan P., Gawiser, Eric, Hathi, Nimish P., Hayes, Matthew J., Ji, Zhiyuan, Mehta, Vihang, Robertson, Brant E., Scarlata, Claudia, Yung, L. Y. Aaron, Conselice, Christopher J., Dai, Y. Sophia, Guo, Yicheng, Lucas, Ray A., Martin, Alec, Ravindranath, Swara

“…Abstract High-resolution imaging of galaxies in rest-frame UV has revealed the existence of giant star-forming clumps prevalent in high-redshift galaxies…”
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RF Power Performance of Sc(Al,Ga)N/GaN HEMTs at Ka-Band by Green, Andrew J., Moser, Neil, Miller, Nicholas C., Liddy, Kyle J., Lindquist, Miles, Elliot, Michael, Gillespie, James K., Fitch, Robert C., Gilbert, Ryan, Walker, Dennis E., Werner, Elizabeth, Crespo, Antonio, Beam, Edward, Xie, Andy, Lee, Cathy, Cao, Yu, Chabak, Kelson D.

“…We report the RF power results of Sc(Al,Ga)N/GaN high electron mobility transistors (HEMTs). We show dc, small-signal RF and load-pull performance at 30 GHz…”
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