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4,996 results on '"Morton, John"'

3. Donor-bound-exciton strain microscopy in silicon devices

Author

Conti, Pierandrea, Dhomkar, Siddharth, Ross, Philipp, Mansir, John, and Morton, John J. L.

Subjects
Condensed Matter - Mesoscale and Nanoscale Physics
Abstract

We explore the effects of stress on silicon donor bound exciton ($\mathrm{D^0X}$) transitions in bulk silicon and in microfabricated silicon devices. We first study $\mathrm{D^0X}$ transitions in an isotopically purified silicon-28 bulk doped sample under controlled uniaxial stress, confirming the validity of existing models in the low strain ($\lesssim 10^{-5}$) regime. We then demonstrate the localised photoconductive detection of a few thousand donors illuminated by a 1078 nm resonant laser with $4~\mathrm{\mu m}$ spot focused on a microfabricated device consisting of an implanted phosphorus layer between a pair of metallic contacts. We observe local variations in the strained exciton peak splitting from $10~\mathrm{\mu eV}$ to $200~\mathrm{\mu eV}$, and obtain scanning microscopy stress maps in good agreement with finite-element-model thermal stress simulations. Our results suggest a potential use of donor bound excitons for in-situ stress sensing, and demonstrate pathways for the miniaturisation of $\mathrm{D^0X}$ photoconductive detection., Comment: 8 pages, 4 figures

Published
2024

4. Exchange control in a MOS double quantum dot made using a 300 mm wafer process

Author

Chittock-Wood, Jacob F., Leon, Ross C. C., Fogarty, Michael A., Murphy, Tara, Patomäki, Sofia M., Oakes, Giovanni A., von Horstig, Felix-Ekkehard, Johnson, Nathan, Jussot, Julien, Kubicek, Stefan, Govoreanu, Bogdan, Wise, David F., Gonzalez-Zalba, M. Fernando, and Morton, John J. L.

Subjects
Condensed Matter - Mesoscale and Nanoscale Physics, Quantum Physics
Abstract

Leveraging the advanced manufacturing capabilities of the semiconductor industry promises to help scale up silicon-based quantum processors by increasing yield, uniformity and integration. Recent studies of quantum dots fabricated on 300 mm wafer metal-oxide-semiconductor (MOS) processes have shown control and readout of individual spin qubits, yet quantum processors require two-qubit interactions to operate. Here, we use a 300 mm wafer MOS process customized for spin qubits and demonstrate coherent control of two electron spins using the spin-spin exchange interaction, forming the basis of an entangling gate such as $\sqrt{\text{SWAP}}$. We observe gate dephasing times of up to $T_2^{*}\approx500$ ns and a gate quality factor of 10. We further extend the coherence by up to an order of magnitude using an echo sequence. For readout, we introduce a dispersive readout technique, the radiofrequency electron cascade, that amplifies the signal while retaining the spin-projective nature of dispersive measurements. Our results demonstrate an industrial grade platform for two-qubit operations, alongside integration with dispersive sensing techniques.

Published
2024

5. A multi-module silicon-on-insulator chip assembly containing quantum dots and cryogenic radio-frequency readout electronics

Author

Ibberson, David J., Kirkman, James, Morton, John J. L., Gonzalez-Zalba, M. Fernando, and Gomez-Saiz, Alberto

Subjects
Quantum Physics, Condensed Matter - Mesoscale and Nanoscale Physics
Abstract

Quantum processing units will be modules of larger information processing systems containing also digital and analog electronics modules. Silicon-based quantum computing offers the enticing opportunity to manufacture all the modules using the same technology platform. Here, we present a cryogenic multi-module assembly for multiplexed readout of silicon quantum devices where all modules have been fabricated using the same fully-depleted silicon-on-insulator (FDSOI) CMOS process. The assembly is constituted by three chiplets: (i) a low-noise amplifier (LNA), (ii) a single-pole eight-throw switch (SP8T), and (iii) a silicon quantum dot (QD) array. We characterise each module individually and show (i) a gain over 35 dB, a bandwidth of 118 MHz, a minimum noise temperature of 4.2 K, (ii) an insertion loss smaller than 1.1 dB, a noise temperature smaller than 1.1~K across 0-2 GHz, and (iii) single-electron box (SEB) charge sensors. Finally, we combine all elements into a single demonstration showing time-domain radio-frequency multiplexing of two SEBs paving the way to an all-silicon quantum computing system., Comment: This work has been submitted to the IEEE for possible publication. Copyright may be transferred without notice, after which this version may no longer be accessible

Published
2024

7. Stability of near surface nitrogen vacancy centers using dielectric surface passivation

Author

Kumar, Ravi, Mahajan, Saksham, Donaldson, Felix, Dhomkar, Siddharth, Lancaster, Hector J., Kalha, Curran, Riaz, Aysha A., Zhu, Yujiang, Howard, Christopher A., Regoutz, Anna, and Morton, John J. L.

Subjects
Physics - Applied Physics, Condensed Matter - Materials Science
Abstract

We study the photo-physical stability of ensemble near-surface nitrogen vacancy (NV) centers in diamond under vacuum and air. The optically detected magnetic resonance contrast of the NV centers was measured following exposure to laser illumination, showing opposing trends in air compared to vacuum (increasing by up to 9% and dropping by up to 25%, respectively). Characterization using Raman and X-ray photoelectron spectroscopies suggests a surface reconstruction: In air, atmospheric oxygen adsorption on surface leads to an increase in NV- fraction, whereas in vacuum, net oxygen desorption increases the NV0 fraction. NV charge state switching is confirmed by photoluminescence spectroscopy. Deposition of ~ 2 nm alumina (Al2O3) over the diamond surface was shown to stabilize the NV charge state under illumination in either environment, attributed to a more stable surface electronegativity. The use of alumina coating on diamond is therefore a promising approach to improve the resilience of NV sensors.

Published
2023

8. Rapid cryogenic characterisation of 1024 integrated silicon quantum dots

Author

Thomas, Edward J., Ciriano-Tejel, Virginia N., Wise, David F., Prete, Domenic, de Kruijf, Mathieu, Ibberson, David J., Noah, Grayson M., Gomez-Saiz, Alberto, Gonzalez-Zalba, M. Fernando, Johnson, Mark A. I., and Morton, John J. L.

Subjects
Quantum Physics, Condensed Matter - Mesoscale and Nanoscale Physics
Abstract

Quantum computers are nearing the thousand qubit mark, with the current focus on scaling to improve computational performance. As quantum processors grow in complexity, new challenges arise such as the management of device variability and the interface with supporting electronics. Spin qubits in silicon quantum dots are poised to address these challenges with their proven control fidelities and potential for compatibility with large-scale integration. Here, we demonstrate the integration of 1024 silicon quantum dots with on-chip digital and analogue electronics, all operating below 1 K. A high-frequency analogue multiplexer provides fast access to all devices with minimal electrical connections, enabling characteristic data across the quantum dot array to be acquired in just 5 minutes. We achieve this by leveraging radio-frequency reflectometry with state-of-the-art signal integrity, reaching a minimum integration time of 160 ps. Key quantum dot parameters are extracted by fast automated machine learning routines to assess quantum dot yield and understand the impact of device design. We find correlations between quantum dot parameters and room temperature transistor behaviour that may be used as a proxy for in-line process monitoring. Our results show how rapid large-scale studies of silicon quantum devices can be performed at lower temperatures and measurement rates orders of magnitude faster than current probing techniques, and form a platform for the future on-chip addressing of large scale qubit arrays., Comment: Main text: 14 pages, 8 figures, 1 table Supplementary: 8 pages, 6 figures

Published
2023

9. Measurement of cryoelectronics heating using a local quantum dot thermometer in silicon

Author

de Kruijf, Mathieu, Noah, Grayson M., Gomez-Saiz, Alberto, Morton, John J. L., and Gonzalez-Zalba, M. Fernando

Subjects
Condensed Matter - Mesoscale and Nanoscale Physics, Physics - Applied Physics, Quantum Physics
Abstract

Silicon technology offers the enticing opportunity for monolithic integration of quantum and classical electronic circuits. However, the power consumption levels of classical electronics may compromise the local chip temperature and hence the fidelity of qubit operations. Here, we utilize a quantum-dot-based thermometer embedded in an industry-standard silicon field-effect transistor (FET), to assess the local temperature increase produced by an active FET placed in close proximity. We study the impact of both static and dynamic operation regimes. When the FET is operated statically, we find a power budget of 45 nW at 100 nm separation whereas at 216 $\mu$m the power budget raises to 150 $\mu$W. When operated dynamically, we observe negligible temperature increase for the switch frequencies tested up to 10 MHz. Our work describes a method to accurately map out the available power budget at a distance from a solid-state quantum processor and indicate under which conditions cryoelectronics circuits may allow the operation of hybrid quantum-classical systems.

Published
2023

10. Metabolic Bariatric Surgery Across the IFSO Chapters: Key Insights on the Baseline Patient Demographics, Procedure Types, and Mortality from the Eighth IFSO Global Registry Report

Author

Brown, Wendy A., Liem, Ronald, Al-Sabah, Salman, Anvari, Mehran, Boza, Camilo, Cohen, Ricardo V., Ghaferi, Amir, Våge, Villy, Himpens, Jacques, Kow, Lilian, Morton, John, Musella, Mario, Pattou, Francois, Sakran, Nasser, Clapp, Benjamin, Prager, Gerhard, and Shikora, Scott

Published
2024
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11. CMOS on-chip thermometry at deep cryogenic temperatures

Author

Noah, Grayson M., Swift, Thomas, de Kruijf, Mathieu, Gomez-Saiz, Alberto, Morton, John J. L., and Gonzalez-Zalba, M. Fernando

Subjects
Physics - Applied Physics, Condensed Matter - Mesoscale and Nanoscale Physics, Quantum Physics
Abstract

Accurate on-chip temperature sensing is critical for the optimal performance of modern CMOS integrated circuits (ICs), to understand and monitor localized heating around the chip during operation. The development of quantum computers has stimulated much interest in ICs operating a deep cryogenic temperatures (typically 0.01 - 4 K), in which the reduced thermal conductivity of silicon and silicon oxide, and the limited cooling power budgets make local on-chip temperature sensing even more important. Here, we report four different methods for on-chip temperature measurements native to complementary metal-oxide-semiconductor (CMOS) industrial fabrication processes. These include secondary and primary thermometry methods and cover conventional thermometry structures used at room temperature as well as methods exploiting phenomena which emerge at cryogenic temperatures, such as superconductivity and Coulomb blockade. We benchmark the sensitivity of the methods as a function of temperature and use them to measure local excess temperature produced by on-chip heating elements. Our results demonstrate thermometry methods that may be readily integrated in CMOS chips with operation from the milliKelivin range to room temperature.

Published
2023

15. Probabilistic Interpolation of Quantum Rotation Angles

Author

Koczor, Bálint, Morton, John, and Benjamin, Simon

Subjects
Quantum Physics
Abstract

Quantum computing requires a universal set of gate operations; regarding gates as rotations, any rotation angle must be possible. However a real device may only be capable of $B$ bits of resolution, i.e. it might support only $2^B$ possible variants of a given physical gate. Naive discretization of an algorithm's gates to the nearest available options causes coherent errors, while decomposing an impermissible gate into several allowed operations increases circuit depth. Conversely, demanding higher $B$ can greatly complexify hardware. Here we explore an alternative: Probabilistic Angle Interpolation (PAI). This effectively implements any desired, continuously parametrised rotation by randomly choosing one of three discretised gate settings and postprocessing individual circuit outputs. The approach is particularly relevant for near-term applications where one would in any case average over many runs of circuit executions to estimate expected values. While PAI increases that sampling cost, we prove that a) the approach is optimal in the sense that PAI achieves the least possible overhead and c) the overhead is remarkably modest even with thousands of parametrised gates and only $7$ bits of resolution available. This is a profound relaxation of engineering requirements for first generation quantum computers where even $5-6$ bits of resolution may suffice and, as we demonstrate, the approach is many orders of magnitude more efficient than prior techniques. Moreover we conclude that, even for more mature late-NISQ hardware, no more than $9$ bits will be necessary., Comment: 15 pages, 5 figures -- includes proof of optimality of protocol, generalisation to non-uniform settings etc

Published
2023
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19. Room temperature quantum bit storage exceeding 39 minutes using ionized donors in 28-silicon

Author

Saeedi, Kamyar, Simmons, Stephanie, Salvail, Jeff Z., Dluhy, Phillip, Riemann, Helge, Abrosimov, Nikolai V., Becker, Peter, Pohl, Hans-Joachim, Morton, John J. L., and Thewalt, Mike L. W.

Subjects
Quantum Physics, Physics - Applied Physics
Abstract

Quantum memories capable of storing and retrieving coherent information for extended times at room temperature would enable a host of new technologies. Electron and nuclear spin qubits using shallow neutral donors in semiconductors have been studied extensively but are limited to low temperatures ($\le$10 K); however, the nuclear spins of ionized donors have potential for high temperature operation. We use optical methods and dynamical decoupling to realize this potential for an ensemble of 31P donors in isotopically purified 28Si and observe a room temperature coherence time of over 39 minutes. We further show that a coherent spin superposition can be cycled from 4.2 K to room temperature and back, and report a cryogenic coherence time of 3 hours in the same system., Comment: 5 pages, 4 figures

Published
2023
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20. Current use of the National Surgical Quality Improvement Program surgical risk calculator in academic surgery: a mixed-methods study.

Author

Miller, Samuel M, Azar, Sara Abou, Farrelly, James S, Salzman, Garrett A, Broderick, Meaghan E, Sanders, Katherine M, Anto, Vincent P, Patel, Nathan, Cordova, Alfredo C, Schuster, Kevin M, Jones, Tyler J, Kodadek, Lisa M, Gross, Cary P, Morton, John M, Rosenthal, Ronnie A, and Becher, Robert D

Subjects
High-risk patients, NSQIP surgical risk calculator, Risk assessment, Surgical decision-making, Clinical Research, Patient Safety
Abstract

BackgroundThis study aims to quantitatively assess use of the NSQIP surgical risk calculator (NSRC) in contemporary surgical practice and to identify barriers to use and potential interventions that might increase use.Materials and methodsWe performed a cross-sectional study of surgeons at seven institutions. The primary outcomes were self-reported application of the calculator in general clinical practice and specific clinical scenarios as well as reported barriers to use.ResultsIn our sample of 99 surgeons (49.7% response rate), 73.7% reported use of the NSRC in the past month. Approximately half (51.9%) of respondents reported infrequent NSRC use (

Published
2023

22. Coherent spin dynamics of rare-earth doped crystals in the high-cooperativity regime

Author

Alexander, Joseph, Dold, Gavin, Kennedy, Oscar W., Šimėnas, Mantas, O'Sullivan, James, Zollitsch, Christoph W., Welinski, Sacha, Ferrier, Alban, Lafitte-Houssat, Eloïse, Lindström, Tobias, Goldner, Philippe, and Morton, John J. L.

Subjects
Quantum Physics
Abstract

Rare-earth doped crystals have long coherence times and the potential to provide quantum interfaces between microwave and optical photons. Such applications benefit from a high cooperativity between the spin ensemble and a microwave cavity -- this motivates an increase in the rare earth ion concentration which in turn impacts the spin coherence lifetime. We measure spin dynamics of two rare-earth spin species, $^{145}$Nd and Yb doped into Y$_{2}$SiO$_{5}$, coupled to a planar microwave resonator in the high cooperativity regime, in the temperature range 1.2 K to 14 mK. We identify relevant decoherence mechanisms including instantaneous diffusion arising from resonant spins and temperature-dependent spectral diffusion from impurity electron and nuclear spins in the environment. We explore two methods to mitigate the effects of spectral diffusion in the Yb system in the low-temperature limit, first, using magnetic fields of up to 1 T to suppress impurity spin dynamics and, second, using transitions with low effective g-factors to reduce sensitivity to such dynamics. Finally, we demonstrate how the `clock transition' present in the $^{171}$Yb system at zero field can be used to increase coherence times up to $T_{2} = 6(1)$ ms., Comment: 8 pages, 5 figures

Published
2022
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23. Probing spin dynamics of ultra-thin van der Waals magnets via photon-magnon coupling

Author

Zollitsch, Christoph W., Khan, Safe, Nam, Vu Thanh Trung, Verzhbitskiy, Ivan A., Sagkovits, Dimitrios, O'Sullivan, James, Kennedy, Oscar W., Strungaru, Mara, Santos, Elton J. G., Morton, John J. L., Eda, Goki, and Kurebayashi, Hidekazu

Subjects
Condensed Matter - Materials Science
Abstract

Layered van der Waals (vdW) magnets can maintain a magnetic order even down to the single-layer regime and hold promise for integrated spintronic devices. While the magnetic ground state of vdW magnets was extensively studied, key parameters of spin dynamics, like the Gilbert damping, crucial for designing ultra-fast spintronic devices, remains largely unexplored. Despite recent studies by optical excitation and detection, achieving spin wave control with microwaves is highly desirable, as modern integrated information technologies predominantly are operated with these. The intrinsically small numbers of spins, however, poses a major challenge to this. Here, we present a hybrid approach to detect spin dynamics mediated by photon-magnon coupling between high-Q superconducting resonators and ultra-thin flakes of Cr$_2$Ge$_2$Te$_6$ (CGT) as thin as 11\,nm. We test and benchmark our technique with 23 individual CGT flakes and extract an upper limit for the Gilbert damping parameter. These results are crucial in designing on-chip integrated circuits using vdW magnets and offer prospects for probing spin dynamics of monolayer vdW magnets.

Published
2022
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30. Spin coherence of near-surface ionised $^{125}$Te$^+$ donors in silicon

Author

Šimėnas, Mantas, O'Sullivan, James, Kennedy, Oscar W., Lin, Sen, Fearn, Sarah, Zollitsch, Christoph W., Dold, Gavin, Schmitt, Tobias, Schüffelgen, Peter, Liu, Ren-Bao, and Morton, John J. L.

Subjects
Condensed Matter - Mesoscale and Nanoscale Physics
Abstract

Impurity spins in crystal matrices are promising components in quantum technologies, particularly if they can maintain their spin properties when close to surfaces and material interfaces. Here, we investigate an attractive candidate for microwave-domain applications, the spins of group-VI Impurity spins in crystal matrices are promising components in quantum technologies, particularly if they can maintain their spin properties when close to surfaces and material interfaces. Here, we investigate an attractive candidate for microwave-domain applications, the spins of group-VI $^{125}$Te$^+$ donors implanted into natural Si at depths as shallow as 20~nm. We show that surface band-bending can be used to ionise such near-surface Te to spin-active Te$^+$ state, and that optical illumination can be used further to control the Te donor charge state. We examine spin activation yield, spin linewidth, relaxation ($T_1$) and coherence times (\ttwo) and show how a zero-field 3.5~GHz `clock transition' extends spin coherence times to over 1~ms, which is about an order of magnitude longer than other near-surface spin systems.

Published
2021

31. Reducing strain in heterogeneous quantum devices using atomic layer deposition

Author

Kennedy, Oscar W., O'Sullivan, James, Zollitsch, Christoph W., Thomas, Chistopher N., Withington, Stafford, and Morton, John J. L.

Subjects
Condensed Matter - Mesoscale and Nanoscale Physics, Quantum Physics
Abstract

We investigated the use of dielectric layers produced by atomic layer deposition (ALD) as an approach to strain mitigation in composite silicon/superconductor devices operating at cryogenic temperatures. We show that the addition of an ALD layer acts to reduce the strain of spins closest to silicon/superconductor interface where strain is highest. We show that appropriately biasing our devices at the hyperfine clock transition of bismuth donors in silicon, we can remove strain broadening and that the addition of ALD layers left $T_2$ (or temporal inhomogeneities) unchanged in these natural silicon devices.

Published
2021

32. Reimagining large river management using the Resist–Accept–Direct (RAD) framework in the Upper Mississippi River

Author

Ward, Nicole K., Lynch, Abigail J., Beever, Erik A., Booker, Joshua, Bouska, Kristen L., Embke, Holly, Houser, Jeffrey N., Kocik, John F., Kocik, Joshua, Lawrence, David J., Lemon, Mary Grace, Limpinsel, Doug, Magee, Madeline R., Maitland, Bryan M., McKenna, Owen, Meier, Andrew, Morton, John M., Muehlbauer, Jeffrey D., Newman, Robert, Oliver, Devon C., Rantala, Heidi M., Sass, Greg G., Shultz, Aaron, Thompson, Laura M., and Wilkening, Jennifer L.

Published
2023
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34. The dynamics of a changing Lutz spruce (Picea x lutzii) hybrid zone on the Kenai Peninsula, Alaska

Author

Morton, John M., Wolf, Diana E., Bowser, Matthew L., Takebayashi, Naoki, and Magness, Dawn R.

Subjects
Vegetation dynamics -- Models, Spruce -- Environmental aspects -- Distribution, Climatic changes -- Influence, Company distribution practices, Earth sciences
Abstract

We investigated the genetic makeup of Lutz spruce, a natural hybrid between white and Sitka spruce on the Kenai Peninsula, Alaska. Microsatellites indicate 72% of individuals sampled had predominantly white spruce ancestry, whereas 14% had predominantly Sitka spruce ancestry; some individuals classified as white spruce had Sitka spruce plastid genotypes. As Picea mitochondria are maternally inherited and plastids are paternally inherited, it appears that white spruce was the ancestral seed parent of nearly all spruce on the western peninsula, whereas Sitka spruce alleles originated from pollen. Pollen records show that white spruce colonized the western peninsula ~8500 YBP from glacial refugium, whereas Sitka spruce arrived on the eastern peninsula ~4000 YBP after migrating up the Pacific coast. Our data suggest that Sitka spruce colonization west of the Kenai Mountains may have occurred not via seed dispersal but by long distance transport of wind-borne pollen and subsequent hybridization with established white spruce populations. Hybridization was an important mechanism that allowed Sitka spruce to expand the leading edge of its range in response to historical climate change. As the climate continues to warm, climate envelope modeling suggests Lutz spruce may ultimately displace white spruce on the western peninsula even as Sitka spruce is constrained to the eastern peninsula where it will continue to hybridize. Key words: Alaska, climate change, DNA analysis, hybridization, Lutz spruce, Picea x lutzii, Introduction In response to a rapidly changing climate, Aitken et al. (2008) suggested that tree populations have three fates: adaptation, migration, or extirpation. Interspecific hybridization facilitates adaptation and may indeed [...]

Published
2023
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38. Role of the exercise professional in metabolic and bariatric surgery

Author

Stults-Kolehmainen, Matthew A., Bond, Dale S., Richardson, Laura A., Herring, Louisa Y., Mulone, Bethany, Garber, Carol Ewing, Morton, John, Ghiassi, Saber, Duffy, Andrew J., Balk, Ethan, Abolt, Charles J., Howard, Matt C., Ash, Garrett I., Williamson, Susannah, Marcon, Emilian Rejane, De Los Santos, Melissa, Bond, Samantha, Huehls, Janet, Alowaish, Osama, Heyman, Nina Brojan, and Gualano, Bruno

Published
2024
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45. Random-access quantum memory using chirped pulse phase encoding

Author

O'Sullivan, James, Kennedy, Oscar W., Debnath, Kamanasish, Alexander, Joseph, Zollitsch, Christoph W., Šimėnas, Mantas, Hashim, Akel, Thomas, Christopher N., Withington, Stafford, Siddiqi, Irfan, Mølmer, Klaus, and Morton, John J. L.

Subjects
Quantum Physics
Abstract

As in conventional computing, key attributes of quantum memories are high storage density and, crucially, random access, or the ability to read from or write to an arbitrarily chosen register. However, achieving such random access with quantum memories in a dense, hardware-efficient manner remains a challenge, for example requiring dedicated cavities per qubit or pulsed field gradients. Here we introduce a protocol using chirped pulses to encode qubits within an ensemble of quantum two-level systems, offering both random access and naturally supporting dynamical decoupling to enhance the memory lifetime. We demonstrate the protocol in the microwave regime using donor spins in silicon coupled to a superconducting cavity, storing up to four multi-photon microwave pulses in distinct memory modes and retrieving them on-demand up to 2~ms later. A further advantage is the natural suppression of superradiant echo emission, which we show is critical when approaching unit cooperativity. This approach offers the potential for microwave random access quantum memories with lifetimes exceeding seconds, while the chirped pulse phase encoding could also be applied in the optical regime to enhance quantum repeaters and networks.

Published
2021

47. Mantech's uncertain future

Author

Morton, John F.

Subjects
INDUSTRY AND DEFENSE, TECHNOLOGY
Abstract

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Published
1992

49. Extracorporeal Life Support Organization Registry International Report 2022: 100,000 Survivors

Author

Tonna, Joseph E., Boonstra, Philip S., MacLaren, Graeme, Paden, Matthew, Brodie, Daniel, Anders, Marc, Hoskote, Aparna, Ramanathan, Kollengode, Hyslop, Rob, Fanning, Jeffrey J., Rycus, Peter, Stead, Christine, Barrett, Nicholas A., Mueller, Thomas, Gómez, Rene D., Malhotra Kapoor, Poonam, Fraser, John F., Bartlett, Robert H., Alexander, Peta M.A., Barbaro, Ryan P., Abbasi, Adeel, Said Abdalmohsen, Ahmad, Abdelbary, Akram M., Abecasis, Francisco, Abel, Peter, Abu-Omar, Yasir, Adams, Douglas R, Manuel Africano, Juan, Aganga, Devon, Agati, Salvatore, Agerstrand, Cara, Aguillon, Mario V., Akers, Crystal S., Akhtarekhavari, Julia, Alazzam, Mohammad Izzat Salah, Albert, Martin, Alberti, Angela, Al-Fares, Abdulrahman A., Alfoudri, Huda, Allaert, Silvie, Allbert, Keesha N., Allen, Christopher T., Lescano Alva, Miguel Ángel, Alwardt, Cory M., Amigoni, Angela, Anandamurthy, Balaram, Anastasiadis, Kyriakos, Anders, Nicholas R., Anderson, Scott A., Anderson, Patricia L., Andrijević, Ana, Annoni, Alice, Anselmi, Michael, Anstey, James R., Antonini, Marta V., Antonitsis, Polychronis, Stein Araujo, Tays, Arcalas, Rhodney, Areinamo, Igor, Martin Arias, Anibal, Armijo-Garcia, Veronica, Aronsky, Vladimir, Arora, Lovkesh, Arora, Madhur, Leigh Aspenleiter, Marit, Atik, Fernando A., AugustGeorg Auzinger, Erin Colleen, Azzam, Ismail, Bacchetta, Matthew, Bak, Erica I., Balcells, Joan, Sánchez Ballesteros, Jesús, Banjac, Igor S., Barbaria, Jacqueline M., Barrigoto, Cleide L., Bass, Stephanie D., Batranović, Uroš, Bauer, Matthew H., Fernando Bautista, Diego, Beck, Robert M., Giraldo Bejarano, Estefania, Belohlavek, Jan, Bembea, Melania M., Benes, Jan, Benharash, Peyman, Benish, Lynne A., Bennett, Suzanne, Bento, Luís F.N., Bermudez, Christian A., Bertini, Pietro, Best, Derek, Bharat, Ankit, Bhutta, Omar J., Bizzell, Samantha J., Blakeman, Stephanie A., Blanco-Schweizer, Pablo, Blanton, Jessica K., Blood, Peggy S., Bohlmann, Allison S., Kyle Bohman, John, Bombino, Michela, Kathleen Bonadonna, Desiree, Bond, Ashley, Borgmann, Kristina M., Bourgoin, Pierre, Boville, Brian M., Boza, Raquel, Brady, Heather L., Brady, Alison, Braunlich, Jessica M., Bridges, Brian C., Brinkley, Karen K., Brookshire, Robert S., Brozzi Nicole Brueggemann, Nicolas A., Buckley, Dwight P., Jr., Buckley, Klayton, Budhani, Irfan B., Bukamal, Nazar, Burgos, Lucrecia M, Burša, Filip, Busby, Landon K., Buscher, Hergen, Butler, Menoly, Butt, Warwick W., Byrnes, Jonathan W., Calaritis, Christos, Caldwell, Lisa R., Calligaro, Gregory L., Campbell, Patrick T., Camporota, Luigi, Fernando Caneo, Luiz, Jovo Carapic, Vladimir, Carrasco-Carrasco, Cristina, Ivan Carrizo, Nestor, Carrow, Heidi, Carton, Edmund G., Casabella, Christian, Gomez Casal, Vanesa, Casey, Francis L., III, Castillo, Andres, Castleberry, Anthony W., Alexandros Cavayas, Yiorgos, Cerqua, Karey, Ming Chan, Kai Man ChanWai, Brian Chapman, Jason, Brahma Chari, Hari, Cheifetz, Omair ChaudharyIra M., Chen, Robin H.S, Chen, Weiting, Cheung, Eva W., Cheung, Anson, Chico, Juan I., Chiletti, Roberto, Jin Cho, Hwa, Cholette, Jill M., Christensen, Steffen, Chui, Betty S., Circelli, Alessandro, Clement, Katherine C., Cleuziou, Julie, Clouse, Brian, Cole, Gwendolen, Coles, Garrett M., Collins, Monika F., Collins, Monika F., Connelly, James, Conrad, Steven A., Cook, Marlene, Copeland, Hannah, Copus, Scott C., Cox, Charles S., Jr, Craig, Lynne K., Crain, Natasha, Cremonese, Ricardo V., Criswell, Emily A., Cross, Lisa M., Crowley, Moira A., Crowley, Jerome C., Cruz, Leonora, Cypel, Marcelo, Czarnik, Tomasz, Czuczwa, Miroslaw E., Sica da Rocha, Taís, Daddow, Samuel, Dali, Dante C., Dalton, Heidi J., Daly, Kathleen J.R., Damuth, Emily, Daniel, Dennis A., Daniel IV, John M., Daniel, Josiane M., Danis, Max D., Danko, Melissa E., Rodrigues Dantas, Joao Alberto, Daoust, Isabelle, Dauwe, Dieter F., Davidson, Mark, Davis, Joel C., Davis, Mitchell, D’Cunha, Jonathan, de Arruda Bravim, Bruno, de BoodeKim T. De La Cruz, Willem P., Gray DeAngelis, Kathryn, Debeuckelaere, Gerdy, Deitemyer, Matthew A., DellaVolpe, Jeffrey, Deneau, Jamie L., DeNino, Walter F., Denmark, Christopher G., Denney, Derek, DeValeria, Patrick A., Dewulf, Petra, Di Nardo, Matteo, DiBardino, Daniel J., DiMartino, Joseph, Dimopoulos, Stavros, Domico, Michele B., Dominy, Meaghan E., Donker, Dirk W., Dresbach, Till, Droogh, Joep M., Dunlap, Tiffany W., Dupon, Allsion, Durham, Lucian A., III, Durward, Andrew, Dvorak, Anna, Dyett, John F., Dziedzina, Carol L., Eaken, Carmen L., Eaton, Jonathan S., Eberle, Christopher J., Edwards, Linda, Efseviou, Christakis, Eigner, Juliann M., Ahmed Elhamrawi, Hazem, Elhazmi, Alyaa M., Elizondo, Tammy, Ellersick, Beverly L., Emling, Jonathan A., Ernst, Andreas, Pablo Escalante, Juan, Espinoza, Otoniel, Evey, Lee W., Fan, Eddy, Fang, Gary, Faulkner, Gail M., Fauman, Karen R, Ferguson, Niall, Ferreira, Benigno, Fiane, Arnt E., Andrade Fierro, Dario, Martha Filippi, María, Findeisen, Michael 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2024
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