Papers by Erez R E F A E L Yacoby
For the next generation of ELOP Payloads, a new focal plane array and new detector has been desig... more For the next generation of ELOP Payloads, a new focal plane array and new detector has been designed. The new detector design and its modes of operation will be described. The focal plane design was also affected by the payload telescope design. The anastigmat three-mirror ...
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Physica a, 1993
ABSTRACT
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For the next generation of ELOP Payloads, a new focal plane array and new detector has been desig... more For the next generation of ELOP Payloads, a new focal plane array and new detector has been designed. The new detector design and its modes of operation will be described. The focal plane design was also affected by the payload telescope design. The anastigmat three-mirror telescope (ATMT) design - which was chosen for the payload - does not allow any
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Physical review. B, Condensed matter, 1993
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Physical Review B, 1994
We measured the peak effect in the magnetic hysteresis loop of an untwinned YBa2Cu3O7-delta cryst... more We measured the peak effect in the magnetic hysteresis loop of an untwinned YBa2Cu3O7-delta crystal in the vicinity of the critical temperature and studied its temperature, time, and angular dependence. The location of the peak is determined by the component of the field along the c direction. The pinning force density Fp(B) is scaled into a single curve for all measured isotherms (75-87 K) and time scales (4-1500 sec), and its functional form reflects the observed peak effect. The scaling field is related to the irreversibility field of oxygen-deficient regimes. The results indicate that pinning in this system is due to inhomogeneity of the oxygen deficiency and that the peak is related to the formation of a percolationlike network of reversible regimes.
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Superconductor Science and Technology, 1991
The authors have investigated the effects of 2.5 MeV electron irradiation on the irreversibility ... more The authors have investigated the effects of 2.5 MeV electron irradiation on the irreversibility line of a sintered YBa2Cu3O7 by applying DC and AC measuring techniques. They find that after electron irradiation, both the superconducting transition temperature Tc and the irreversibility temperature Tirr, determined by either technique, decrease; the decrease in Tirr scales with the decrease in Tc.
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Physica C: Superconductivity, 1994
We report on a study of the magnetic properties of the intermetallic superconductor YNi2B2C in a ... more We report on a study of the magnetic properties of the intermetallic superconductor YNi2B2C in a wide range of magnetic fields (up to 8 T) and temperatures (4.4-16 K). The results yield the characteristic length scales and fields for this compound: lambda (0) ~ (3.5 +/- 0.5) × 10-5 cm, xi(0) ~ (10 +/-2) × 10-7 cm, Hc1 (0) ~
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Physica C: Superconductivity, 1992
We have investigated the irreversibility line (IRL) of a ceramic YBa2Cu3O7 sample by probing the ... more We have investigated the irreversibility line (IRL) of a ceramic YBa2Cu3O7 sample by probing the onset of irreversibility in four DC and AC techniques. All techniques yield a line which obeys a power law H=A(1-T/Tc)n but A and n depend on the technique. Also, the location of the peak in the AC signal obeys this power-law but it does not
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Journal of Applied Physics, 1994
Bi2Sr2CaCu2O8 crystals were irradiated with heavy ions (Pb, Xe) to produce columnar defects along... more Bi2Sr2CaCu2O8 crystals were irradiated with heavy ions (Pb, Xe) to produce columnar defects along the c direction or at 45° with respect to it. We describe the dependence of the critical currents, irreversibility fields, pinning force, and magnetic relaxation rates on the dose and on the type of ions. The irreversible properties of the Pb-irradiated samples are more enhanced than
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Journal of Alloys and Compounds, 1993
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Bulletin of the …, 2007
Bull. Astr. Soc. India (2007) 35, 187208 Calibrating TAUVEX: turning space hardware into a scien... more Bull. Astr. Soc. India (2007) 35, 187208 Calibrating TAUVEX: turning space hardware into a scientific instrument Noah Brosch*, Elhanan Almoznino, Hagai Netzer and Meirav Naaman Dept. of Astronomy and Astrophysics ...
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Astrophysics and Space Science, 2009
... Elhanan Almoznino · Noah Brosch · Ido Finkelman · Hagai Netzer · Erez R. Yacoby · Jeremy Topa... more ... Elhanan Almoznino · Noah Brosch · Ido Finkelman · Hagai Netzer · Erez R. Yacoby · Jeremy Topaz · Nachman Saar Received: 29 December 2008 / Accepted: 14 January 2009 / Published online: 6 February 2009 © Springer Science+Business Media BV 2009 ...
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Papers by Erez R E F A E L Yacoby