Search Results - "Ciorga, M"

Gate-tunable large magnetoresistance in an all-semiconductor spin valve device by Oltscher, M., Eberle, F., Kuczmik, T., Bayer, A., Schuh, D., Bougeard, D., Ciorga, M., Weiss, D.

“…A large spin-dependent and electric field-tunable magnetoresistance of a two-dimensional electron system is a key ingredient for the realization of many novel…”
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Demonstration of the spin solar cell and spin photodiode effect by Endres, B., Ciorga, M., Schmid, M., Utz, M., Bougeard, D., Weiss, D., Bayreuther, G., Back, C.H.

“…Spin injection and extraction are at the core of semiconductor spintronics. Electrical injection is one method of choice for the creation of a sizeable spin…”
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Electrical spin injection into high mobility 2D systems by Oltscher, M, Ciorga, M, Utz, M, Schuh, D, Bougeard, D, Weiss, D

“…We report on spin injection into a high mobility 2D electron system confined at an (Al,Ga)As/GaAs interface, using (Ga,Mn)As Esaki diode contacts as spin…”
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Proximity induced enhancement of the Curie temperature in hybrid spin injection devices by Song, C, Sperl, M, Utz, M, Ciorga, M, Woltersdorf, G, Schuh, D, Bougeard, D, Back, C H, Weiss, D

“…We investigate the increase of the Curie temperature T(C) in a lateral spin injection geometry where the ferromagnetic (Ga,Mn)As injector and detector contacts…”
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Deterministic transfer of spin polarization in wire-like lateral structures via the persistent spin helix by Schwemmer, M., Hanninger, A., Weingartner, M., Oltscher, M., Ciorga, M., Weiss, D., Schuh, D., Bougeard, D., Korn, T., Schüller, C.

“…We used spatially- and time-resolved Kerr rotation microscopy to show that in lateral wire-like structures, based on a modulation-doped GaAs-AlGaAs quantum…”
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Spatial variation of dynamic nuclear spin polarization probed by the non-local Hanle effect by Shiogai, J., Ciorga, M., Utz, M., Schuh, D., Kohda, M., Bougeard, D., Nojima, T., Weiss, D., Nitta, J.

“…The spatial distribution of dynamic nuclear spin polarization (DNP) has been investigated in a lateral all-semiconductor spin-injection device based on a…”
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Influence of lycopene and astaxanthin in feed on metabolic parameters of laying hens, yolk color of eggs and their content of carotenoids and vitamin A when stored under refrigerated conditions by Shevchenko, L V, Iakubchak, O M, Davydovych, V A, Honchar, V V, Ciorga, M, Hartung, J, Kołacz, R

“…Orientating investigations were carried out in order to test the influence of oil extracts of lycopene (20, 40 and 60 mg/kg feed) and astaxanthin (10, 20 and…”
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In-plane tunneling anisotropic magnetoresistance in (Ga,Mn)As/GaAs Esaki diodes in the regime of the excess current by Shiogai, J., Ciorga, M., Utz, M., Schuh, D., Kohda, M., Bougeard, D., Nojima, T., Weiss, D., Nitta, J.

“…We investigate the angular dependence of the tunneling anisotropic magnetoresistance in (Ga,Mn)As/n-GaAs spin Esaki diodes in the regime where the tunneling…”
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The effects of lack of movement in sows during pregnancy period on cortisol, acute phase proteins and lymphocytes proliferation level in piglets in early postnatal period by Kulok, M., Wojtas, K., Ciorga, M., Pejsak, Z., Kołacz, R.

“…Prolonged exposure to stress may cause adverse effects on animal physiology. It is especially important during the gestation period as female physiology can…”
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Dynamic nuclear spin polarization in an all-semiconductor spin injection device with (Ga,Mn)As/ n -GaAs spin Esaki diode by Shiogai, J, Ciorga, M, Utz, M, Schuh, D, Arakawa, T, Kohda, M, Kobayashi, K, Ono, T, Wegscheider, W, Weiss, D

“…We investigate the dynamic nuclear spin polarization in an n-GaAs lateral channel induced by electrical spin injection from a (Ga,Mn)As/n-GaAs spin Esaki…”
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Tunneling anisotropic spin polarization in lateral (Ga,Mn)As/GaAs spin Esaki diode devices by Einwanger, A., Ciorga, M., Wurstbauer, U., Schuh, D., Wegscheider, W., Weiss, D.

“…We report here on anisotropy of spin polarization obtained in lateral all-semiconductor, all-electrical spin injection devices employing p + - ( Ga , Mn ) As /…”
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Spin droplets in confined quantum Hall systems by Räsänen, E., Saarikoski, H., Harju, A., Ciorga, M., Sachrajda, A. S.

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Collapse of the spin-singlet phase in quantum dots by Ciorga, M, Wensauer, A, Pioro-Ladriere, M, Korkusinski, M, Kyriakidis, J, Sachrajda, A S, Hawrylak, P

“…We present experimental and theoretical results on a new regime in quantum dots in which the filling factor two-singlet state is replaced by new spin polarized…”
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TAMR effect in (Ga,Mn)As-based tunnel structures by Ciorga, M, Schlapps, M, Einwanger, A, Geißler, S, Sadowski, J, Wegscheider, W, Weiss, D

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Electrical spin injection and detection in lateral all-semiconductor devices by Ciorga, M., Einwanger, A., Wurstbauer, U., Schuh, D., Wegscheider, W., Weiss, D.

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Spin-blockade spectroscopy of a two-level artificial molecule by Pioro-Ladrière, M, Ciorga, M, Lapointe, J, Zawadzki, P, Korkusiński, M, Hawrylak, P, Sachrajda, A S

“…Coulomb- and spin-blockade spectroscopy investigations have been performed on an electrostatically defined "artificial molecule" connected to spin polarized…”
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Local spin valve effect in lateral (Ga,Mn)As/GaAs spin Esaki diode devices by Ciorga, M., Wolf, C., Einwanger, A., Utz, M., Schuh, D., Weiss, D.

“…We report here on a local spin valve effect observed unambiguously in lateral all-semiconductor all-electrical spin injection devices, employing p +…”
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Tunable negative differential resistance controlled by spin blockade in single-electron transistors by Ciorga, M., Pioro-Ladriere, M., Zawadzki, P., Hawrylak, P., Sachrajda, A. S.

“…The single-electron transistors containing a few electrons and spin polarized source and drain contacts were formed in GaAs/GaAlAs heterojunctions using…”
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In-plane anisotropy of tunneling magnetoresistance and spin polarization in lateral spin injection devices with (Ga,Mn)As/GaAs spin-Esaki diode contacts by Ciorga, M., Einwanger, A., Wurstbauer, U., Schuh, D., Wegscheider, W., Weiss, D.

“…We report here on in-plane anisotropy observed in the tunneling magnetoresistance of (Ga,Mn)As/ n +-GaAs Esaki diode contacts and in the spin polarization…”
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Tunneling anisotropic magnetoresistance effect in a p+-(Ga,Mn)As/n+-GaAs Esaki diode by Ciorga, M., Einwanger, A., Sadowski, J., Wegscheider, W., Weiss, D.

“…We have performed magnetotransport experiments on p+‐(Ga,Mn)As/n+‐GaAs Esaki diode devices. The spin‐valve‐like signal was observed in these devices in an…”
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