Tuning composition in graded AlGaN channel HEMTs toward improved linearity for low-noise radio-frequency amplifiers von Papamichail, A., Persson, A. R., Richter, S., Kühne, P., Stanishev, V., Persson, P. O. Å., Ferrand-Drake Del Castillo, R., Thorsell, M., Hjelmgren, H., Paskov, P. P., Rorsman, N., Darakchieva, V.

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Fabrication and characterization of field-plated buried-gate SiC MESFETs von Andersson, K., Sudow, M., Nilsson, P.-A., Sveinbjornsson, E., Hjelmgren, H., Nilsson, J., Stahl, J., Zirath, H., Rorsman, N.

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Direct costs of blood drawings with pre-analytical errors in tertiary paediatric hospital care von Hjelmgren, Henrik, Heintz, Emelie, Ygge, Britt-Marie, Andersson, Nina, Nordlund, Björn

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Influence of Field Plates and Surface Traps on Microwave Silicon Carbide MESFETs von Nilsson, P.-A., Allerstam, F., Sudow, M., Andersson, K., Hjelmgren, H., Sveinbjornsson, E.O., Rorsman, N.

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An SiC MESFET-Based MMIC Process von Sudow, M., Andersson, K., Billstrom, N., Grahn, J., Hjelmgren, H., Nilsson, J., Nilsson, P.-A., Stahl, J., Zirath, H., Rorsman, N.

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Nurses' experiences of blood sample collection from children: a qualitative study from Swedish paediatric hospital care von Hjelmgren, Henrik, Ygge, Britt-Marie, Nordlund, Björn, Andersson, Nina

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Hydrodynamic Simulations of Unitraveling-Carrier Photodiodes von Rahman, S.M.M., Hjelmgren, H., Vukusic, J., Stake, J., Andrekson, P.A., Zirath, H.

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Small-signal substrate resistance effect in RF CMOS identified through device simulations von Hjelmgren, H., Litwin, A.

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Multi-inflammatory syndrome in children (MIS-C) associated with COVID-19: a nursing perspective experience report from a high-income tertiary paediatric hospital context von Hjelmgren, Henrik, Andersson, Karin, Widegren, Jessica, Bergman, Erika, Vermé, Anna, Mördrup, Karina, Öhlander, Marcus, Bartholdson, Cecilia

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Design and Fabrication of 4H-SiC RF MOSFETs von Gudjonsson, G.I., Allerstam, F., Sveinbjornsson, E.O., Hjelmgren, H., Nilsson, P.-A., Andersson, K., Zirath, H., Rodle, T., Jos, R.

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Capillary blood sampling increases the risk of preanalytical errors in pediatric hospital care: Observational clinical study von Hjelmgren, Henrik, Nilsson, Anna, Myrberg, Ida H., Andersson, Nina, Ygge, Britt‐Marie, Nordlund, Björn

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Electrothermal Access Resistance Model for GaN-Based HEMTs von Thorsell, M, Andersson, K, Hjelmgren, H, Rorsman, N

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Extraction of an Electrothermal Mobility Model for AlGaN/GaN Heterostructures von Hjelmgren, H., Thorsell, M., Andersson, K., Rorsman, N.

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Retrospective study showed that blood sampling errors risked children's well‐being and safety in a Swedish paediatric tertiary care von Hjelmgren, Henrik, Nilsson, Anna, Andersson‐Papadogiannakis, Nina, Ritzmo, Carina, Ygge, Britt‐Marie, Nordlund, Björn

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Influence of Passivation Oxide Properties on SiC Field-Plated Buried Gate MESFETs von Hjelmgren, Hans, Nilsson, Per Åke, Sudow, Mattias, Allerstam, Fredrik, Rorsman, Niklas, Sveinbjörnsson, E.Ö., Andersson, Kristoffer

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SiC MESFET with a Double Gate Recess von Hjelmgren, Hans, Rorsman, Niklas, Nilsson, Per Åke, Südow, Mattias, Andersson, Kristoffer, Zirath, Herbert

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High-power-density 4H-SiC RF MOSFETs von Gudjonsson, G., Allerstam, F., Olafsson, H.O., Nilsson, P.A., Hjelmgren, H., Andersson, K., Sveinbjornsson, E.O., Zirath, H., Rodle, T., Jos, R.

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High Frequency 4H-SiC MOSFETs von Hjelmgren, Hans, Gudjónsson, G., Jos, R., Nilsson, Per Åke, Allerstam, Fredrik, Sveinbjörnsson, E.Ö., Rödle, T., Zirath, Herbert

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Numerical modeling of hot electrons in n-GaAs Schottky-barrier diodes von Hjelmgren, H.

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Transient Simulation of Microwave SiC MESFETs With Improved Trap Models von Hjelmgren, H., Allerstam, F., Andersson, K., Nilsson, P.-A., Rorsman, N.

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