Search Results - "Nummila, K. K."

Photosensitive chipless radio-frequency tag for low-cost monitoring of light-sensitive goods by Oliveros, M., Carminati, M., Zanutta, A., Mattila, T., Jussila, S., Nummila, K., Bianco, A., Lanzani, G., Caironi, M.

“…•We present a novel chipless RF tag endowed with light-sensitive capability.•The tag comprises a commercial high-frequency antenna and a light sensor.•Light…”
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Applicability of Metallic Nanoparticle Inks in RFID Applications by Allen, M.L., Jaakkola, K., Nummila, K., Seppa, H.

“…Radio frequency identification (RFID) antennas for HF and UHF frequencies are ink-jet printed using commercially available silver nanoparticle ink. Quality…”
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Observation of nuclear ferromagnetic ordering in silver at negative nanokelvin temperatures by HAKONEN, P. J, NUMMILA, K. K, VUORINEN, R. T, LOUNASMAA, O. V

“…The ferromagnetically ordered state in the nuclear spin system of Ag has been reached at negative absolute temperatures by adiabatic nuclear demagnetization at…”
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Polarized nuclei in normal and superconducting rhodium by KNUUTTILA, T. A, TUORINIEMI, J. T, LEFMANN, K, JUNTUNEN, K. I, RASMUSSEN, F. B, NUMMILA, K. K

“…We performed SQUID-NMR measurements on a rhodium single crystal at ultra-low nuclear-spin temperatures. With initial polarizations up to p = 0.95, the…”
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Effect of heat treatment of pure and carbon-polluted rhodium samples on the low-temperature resistivity by LEFMANN, K, KNUUTTILA, T. A, MARTIKAINEN, J. E, KUHN, L. T, NUMMILA, K. K

“…We present a systematic investigation of conditions for heat treatment of Rh with the aim of increasing the residual resistivity ratio (RRR). The maximal value…”
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A versatile nuclear demagnetization cryostat for ultralow temperature research by YAO, W, KNUUTTILA, T. A, NUMMILA, K. K, MARTIKAINEN, J. E, OJA, A. S, LOUNASMAA, O. V

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An integrated 900-MHz push-pull power amplifier for mobile applications by Matilainen, M.J., Nummila, K.L.I., Jarvinen, E.A., Kalajo, S.J.K.

“…This paper describes a two-stage 900-MHz push-pull type GaAs HBT MMIC power amplifier with 3.2W (35dBm) maximum output power and 57% maximum power added…”
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A MODFET-based optoelectronic integrated circuit receiver for optical interconnects by Ketterson, A.A., Seo, J.-W., Tong, M.H., Nummila, K.L., Morikuni, J.J., Cheng, K.-Y., Kang, S.-M., Adesida, I.

“…The design, fabrication, and characterization of a 0.85- mu m sensitive photoreceiver is described. The monolithically integrated optoelectronic receiver is…”
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InAlAs/InGaAs/InP MODFET's with uniform threshold voltage obtained by selective wet gate recess by Tong, M., Nummila, K., Ketterson, A., Adesida, I., Caneau, C., Bhat, R.

“…Excellent uniformity in the threshold voltage, transconductance, and current-gain cutoff frequency of InAlAs/InGaAs/InP MODFETs has been achieved using a…”
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Vortex-free state of 3He-B in a rotating cylinder by HAKONEN, P. J, NUMMILA, K. K

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Double-spin-flip resonance of rhodium nuclei at positive and negative spin temperatures by Tuoriniemi, JT, Knuuttila, TA, Lefmann, K, Nummila, KK, Yao, W, Rasmussen, FB

“…Sensitive SQUID-NMR measurements were used to study the mutual interactions in the highly polarized nuclear-spin system of rhodium metal. The dipolar coupling…”
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Neutron studies of nuclear magnetism at ultralow temperature by Siemensmeyer, K, Clausen, K.N, Lefmann, K, Lounasmaa, O.V, Metz, A, Nummila, K.K, Rasmussen, F.B, Steiner, M, Tuoriniemi, J.T, Vuorinen, R.T

“…Nuclear magnetic order in copper and silver has been investigated by neutron diffraction. Antiferromagnetic order is observed in these simple, diamagnetic…”
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Delay time analysis for short gate-length GaAs MESFETs by Nummila, K., Ketterson, A.A., Adesida, I.

“…GaAs MESFETs with gate lengths from 55 to 150 nm have been fabricated and characterized. By using selective etching for the gate recess, the channel thickness…”
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InAlAs/InGaAs heterostructure FET's processed with selective reactive-ion-etching gate-recess technology by Agarwala, S., Nummila, K., Adesida, I., Caneau, C., Bhat, R.

“…A highly selective reactive-ion-etching process based on HBr plasma has been used as a gate-recess technique in fabrication of InAlAs/InGaAs heterostructure…”
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Characterization of selective reactive ion etching effects on delta-doped GaAs/AlGaAs MODFET layers by AGARWALA, S, TONG, M, BALLEGEER, D. G, NUMMILA, K, KETTERSON, A. A, ADESIDA, I

“…The delta -doped structures showed a smaller change in sheet carrier density and mobility compared to conventionally doped structures. Slight change in…”
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Neutron experiments on antiferromagnetic nuclear order in silver at Picokelvin temperatures by Tuoriniemi, JT, Nummila, KK, Vuorinen, RT, Lounasmaa, OV, Metz, A, Siemensmeyer, K, Steiner, M, Lefmann, K, Clausen, KN, Rasmussen, FB

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Increased substitution of phosphate groups in lipopolysaccharides and lipid A of polymyxin-resistant mutants of Salmonella typhimurium and Escherichia coli by Helander, I M, Nummila, K, Kilpeläinen, I, Vaara, M

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Direct measurements of electron thermalization in Coulomb blockade nanothermometers at millikelvin temperatures by Knuuttila, T.A., Nummila, K.K., Yao, W., Kauppinen, J.P., Pekola, J.P.

“…We investigate electron thermalization of tunnel junction arrays installed in a powerful dilution refrigerator whose mixing chamber can produce lattice…”
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OMVPE-grown InAlAs/InGaAs/InP MODFET's with performance comparable to those grown by MBE by Tong, M., Nummila, K., Ketterson, A., Adesida, I., Aina, L., Mattingly, M.

“…The current-gain cutoff frequency (f/sub T/) performances of InAlAs/InGaAs/InP MODFETs on OMVPE-grown heterostructures and MBE-grown heterostructures are…”
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A 10-GHz bandwidth pseudomorphic GaAs/InGaAs/AlGaAs MODFET-based OEIC receiver by Ketterson, A., Seo, J.-W., Tong, M., Nummila, K., Ballegeer, D., Kang, S.-M., Cheng, K.Y., Adesida, I.

“…Summary form only given. High-performance quarter-micrometer pseudomorphic modulation-doped field-effect transistors (MODFETs) and a metal-semiconductor-metal…”
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