Search Results - "Miclea, C.F."

Controllable chirality-induced geometrical Hall effect in a frustrated highly correlated metal by Ueland, B.G., Miclea, C.F., Kato, Yasuyuki, Ayala–Valenzuela, O., McDonald, R.D., Okazaki, R., Tobash, P.H., Torrez, M.A., Ronning, F., Movshovich, R., Fisk, Z., Bauer, E.D., Martin, Ivar, Thompson, J.D.

“…A current of electrons traversing a landscape of localized spins possessing non-coplanar magnetic order gains a geometrical (Berry) phase, which can lead to a…”
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Effect of lead content on the structure and piezoelectric properties of hard type lead titanate–zirconate ceramics by Miclea, C., Tanasoiu, C., Miclea, C.F., Amarande, L., Gheorghiu, A., Spanulescu, I., Plavitu, C., Miclea, C.T., Cioangher, M.C., Trupina, L., Iuga, A.

“…In the present investigation we studied the effect of lead content on a hard type ceramics starting from lack to excess PbO. Specimens of Pb x (Mn 0.017Sb…”
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Hard/soft effects of multivalence co-dopants in correlation with their location in PZT ceramics by Amarande, L., Cioangher, M.C., Toma, V., Miclea, C.F., Stefan, M., Pasuk, I., Iuga, A.R., Negrila, C., Matei, E., Palici, A.M., Joita, A.C.

“…Piezoelectric hard/soft effects of multivalence co-dopants (Sb and Mn) in correlation with their location in the lattice, were investigated in PZT ceramics,…”
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Soft ferrite materials for magnetic temperature transducers and applications by Miclea, C., Tanasoiu, C., Miclea, C.F., Gheorghiu, A., Tanasoiu, V.

“…Soft ferrites in the CuZnTi system, having the formula Cu 1− x Zn x Ti y Fe 2− y O 4, with 0.50⩽ x⩽0.60 and 0.00⩽ y⩽0.05 were investigated as a function of…”
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Interplay between superconductivity and charge density wave instability in Tl V6S8 by Miclea, C.F, Hochheimer, H.D, Dorhout, P.K, Martin, B, Sparn, G

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Effect of iron and nickel substitution on the piezoelectric properties of PZT type ceramics by Miclea, C., Tanasoiu, C., Miclea, C.F., Amarande, L., Gheorghiu, A., Sima, F.N.

“…The effect of Fe and Ni doping on piezoelectric properties of a soft type piezoelectric material was investigated. The materials composition was as follows: Pb…”
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Possible Fulde–Ferrell–Larkin–Ovchinnikov superconducting state in : New evidence from pressure studies by Miclea, C.F., Nicklas, M., Sarrao, J.L., Sparn, G., Steglich, F., Thompson, J.D.

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Possible Fulde–Ferrell–Larkin–Ovchinnikov superconducting state in CeCoIn 5 : New evidence from pressure studies by Miclea, C.F., Nicklas, M., Sarrao, J.L., Sparn, G., Steglich, F., Thompson, J.D.

“…The heavy-fermion superconductor (SC) CeCoIn 5 shows an anomaly in specific heat, inside the SC state, at low temperatures and close to the upper critical…”
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Interplay between superconductivity and charge density wave instability in TlxV6S8 by Miclea, C.F, Hochheimer, H.D, Dorhout, P.K, Martin, B, Sparn, G

“…TlV6S8 at ambient pressure shows superconductivity (SC) at Tc≈1.72K and a second phase transition at high temperatures (Th≈178K) which presumably is due to the…”
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A high performance PZT type material used as sensor for an audio high frequency piezoelectric siren by Miclea, C., Tanasoiu, C., Iuga, A., Spanulescu, I., Miclea, C.F., Plavitu, C., Amarande, L., Cioangher, M., Trupina, L., Miclea, C.T., Tanasoiu, T.

“…A high quality PZT type material was designed and produced in order to be used as sensor for a high internsity siren. Two disks from this materials were…”
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Sintering Distorsion Produced by Differences in Green Density and Sample Shape of PZT Compacted Powders by Miclea, C., Tanasoiu, C., Spanulescu, I., Miclea, C.F., Gheorghiu, A., Amarande, L., Cioangher, M., Trupina, L., Miclea, C.T., David, C.

“…A study was made to determine the effect of sample shape, compacting pressure and green density gradients on the final shape and density of sintered bodies…”
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Dielectric Properties of Fine Grains Barium Titanate Ceramics Prepared by Mechanochemical Synthesis by Miclea, C., Tanasoiu, C., Spanulescu, I., Miclea, C.F., Gheorghiu, A., Amarande, L., Cioangher, M.

“…Barium titanate was prepared by the advanced procedure of mechanochemical synthesis from barium and titanium oxides after 50 hours of milling. The X-ray…”
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Piezoelectric properties of bismuth modified lead titanate ceramics by Miclea, C., Amarande, L., Tanasoiu, C., Spanulescu, I., Miclea, C.F.

“…Effect of Bi additives on the piezoelectric properties of PT ceramics having the formula (Pb 1-3x/2 Bi x )(Ti 0.98 Mn 0.02 )O 3 with x=0.04, 0.06, 0.08 was…”
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Unconventional superconductivity in UBe13 probed by uniaxial stress by Miclea, C.F., Grosche, F.M., Sichelschmidt, J., Stewart, G.R., Sparn, G., Steglich, F.

“…In order to examine the nature of the superconducting order parameter in UBe13, we measured the specific heat, C, as a function of temperature, T, under…”
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Time Temperature Stability of Magnetic Properties of Ceramic Magnetic Temperature Transducers by Tănăsoiu, C., Miclea, C., Plăviţu, C.N., Spânulescu, I., Miclea, C.F., Barna, E.

“…Three ceramic magnetic compositions within the CuZnTi ferrite system, having the Curie temperatures centered around 60, 80 and 100°C, respectively, were…”
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Effect of yttrium substitution on the structure and piezoelectric properties of lead titanate ceramics by Miclea, C., Amarande, L., Tanasoiu, C., Miclea, C.F., Sandu, V., Gheorghiu, A.

“…Lead titanate (PT) is well known as a good piezoelectric material with high Curie temperature (/spl sim/490/spl deg/C) and low dielectric constant (/spl…”
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Mechanical and electromechanical nonlinearities of a piezoelectric trimorph type actuator by Miclea, C., Tanasoiu, C., Miclea, C.F., Gheorghiu, A.

“…An experimental study was made of the mechanical and electromechanical nonlinearities of a PZT trimorph type actuator. The actuator consisted of two…”
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Nickel doped PZT type ceramics for displacement microsystems by Miclea, C., Tanasoiu, C., Spanulescu, S., Miclea, C.F.

“…A soft PZT type material was prepared by the usual ceramic technique and was doped with Ni. Doping levels of about 20 at.% provided piezoelectric materials…”
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