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CERN Accelerating science

CERN Document Server 找到 2,011 笔记录  1 - 10下一个最後  跳到记录: 检索需时 0.25 秒. 
1.
Preparation and properties of yttrium iron garnet microcrystal in $P_{2}O_{5}-MgO$ glass / Chen, G J ; Chai, Y L ; Chang, Y S ; Lee, H M ; Lin, Y J
The fabrication of phosphorus-based glasses containing Y/sub 3/Fe/sub 5/O/sub 12/ crystals by the incorporation method was studied. From transmission electron microscopy observation, there is only one rod- like crystalline phase identified as Y/sub 3/Fe/sub 5/O/sub 12/ existing in the glass matrix. [...]
2005 - Published in : J. Alloy. Compd. 388 (2005) 297-302
2.
Growth of K/sub 3/Li/sub 2/Nb/sub 5/O/sub 15/ and KNbO/sub 3/ ferroelectric fiber crystals by pulling-down technique / Chani, V I ; Nagata, K ; Fukuda, T
Growth of K/sub 3/Li/sub 2/Nb/sub 5/O/sub 15/ (KLN) and KNbO/sub 3/ (KN) crystals by the micro-pulling-down method is reported. We have systematically studied the growth conditions allowing fabrication of relatively large, macro $9 defects free, and colorless fiber crystals with pulling rate of 0.1-1.0 mm/min. [...]
1998 - Published in : Ferroelectronics: 218 (1998) , no. 1-4, pp. 9-20
3.
Solidification processing of high-Tc superconductors / Shiohara, Y ; Izumi, T ; Nakamura, Y ; Izumi, T
Recent progress in the solidification processing of RE-system (RE:Y, Sm, Nd etc.) oxide superconducting materials is reviewed. [...]
2001.
4.
Search of new scintillation materials for nuclear medicine application / Korzhik, M V ; Lecoq, P
Oxide crystals have a great potential to develop new advanced scintillation materials which are dense, fast, and bright. This combination of parameters, when combined to affordable price, gives a prospect for materials to be applied in nuclear medicine devices. [...]
2000
In : 47th IEEE Nuclear Science Symposium and Medical Imaging Conference, Lyons, France, 15 - 20 Oct 2000, pp.6/1-5 (v.1)
5.
Microstructural study of CdS/OPAL composites / Torrecillas, R ; Blanco, A ; Brito, M E ; López, C ; Miguez, M ; Meseguer, F ; Moya, J S
CdS/opal photonic materials have been characterised by transmission electron microscopy. The photonic properties of opals formed by CdS- SiO/sub 2/ nanospheres 380 nm in diameter, face-centred cubic ordered and with different CdS filling factors were studied by means of specular reflectance or transmission spectroscopy. [...]
2000 - Published in : Acta Mater. 48 (2000) 4653-7
6.
Study of superconducting and non-superconducting (Cu, Cr)-1212 compounds by high-resolution TEM and electron energy loss spectroscopy / Anan, Y ; Asaka, T ; Kurami, H ; Hatano, J ; Tsutsumi, S ; Kimoto, K ; Matsui, Y
Structure of YSr/sub 2-x/Ba/sub x/Cu/sub 2.8/Cr/sub 0.2/O/sub y/ (x =0-1.5) superconductors are examined by electron diffraction, HRTEM and electron energy loss spectroscopy (EELS). YSr/sub 2/Cu/sub 2.8/Cr /sub 0.2/O/sub y/ (x=0) shows incommensurate superstructure with 3.67a/sub 0/ due to lattice strain and mixed intergrowth of -(Cr-Cu- Cu-Cu-Cr)- and -(Cr-Cu-Cu-Cr)- sequences. [...]
2001 - Published in : Physica C 357-360 (2001) 371-5
In : 13th International Symposium on Superconductivity, Tokyo, Japan, 14 - 16 Oct 2000, pp.371-5
7.
Crystalline $YAlO_{3}$ as a novel window for photodetectors / D'Ambrosio, C ; De Notaristefani, F ; Leutz, H ; Puertolas, D ; Rosso, E
Pure crystalline YAlO/sub 3/ can be applied due to its high refractive index as a novel material for optical elements within 240-1000 nm light transmission. If used as front-windows for photon detectors and coated with a photocathode at its vacuum interface, it improves their light collection efficiency. [...]
Geneva : CERN, 2000 - Published in : Nucl. Instrum. Methods Phys. Res., A 454 (2000) 221-6
8.
Tale of two hard Pomerons / Berera, A
Two mechanisms are examined for hard double "pomeron" exchange dijet production, the factorized model of Ingelman-Schlein, and the nonfactorized model of lossless jet production which exhibits the Collins-Frankfurt-Strikman mechanism. Comparisons between these two mechanisms are made of the total cross section, E/sub T/ spectra, and mean rapidity spectra. [...]
2000 - Published in : Phys. Rev. D 62 (2000) 014015/1-20
9.
Stochastic solutions in a conservative dynamic system / Gumowski, I ; Mira, C
It is known that solutions of autonomous fourth order conservative dynamic systems, or second order non autonomous dynamic systems, with periodic coefficients can be described by an autonomous second order point mapping (a second order recurrence or surface transformation). The recurrence considered in this paper, which arises in the study of particle dynamics in accelerators and storage rings, is x/sub n+1/=y /sub n/+F(x/sub n/), y/sub n+1/=-x/sub n/+F(x/sub n+1/), F(0)=0 with F (x)= mu x+(1- mu )x/sup alpha /, -1< mu <1, alpha =2 and 3. [...]
1973 - Published in : Zagadnienia Drgan Nieliniowych: 14 (1973) , pp. 417-38
In : 6th International Conference on Nonlinear Oscillations, Poznan, Poland, 29 Aug - 4 Sep 1972, pp.417-38
10.
Neutrino production of M/sup +/ and E/sup +/ heavy leptons II / Albright, C H ; Jarlskog, C ; Wolfenstein, Lincoln
For pt.I see ibid., vol.B84, no.2, 467 (1975). A theoretical analysis is made of possible experimental searches for the production of M/sup +/ heavy leptons in inclusive neutrino reactions by detection of their decay into mu /sup +/. [...]
1975 - Published in : Nucl. Phys. B 84 (1975) 493-502

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