RESPONSE LINEARITY OF NB TUNNEL JUNCTION DETECTORS FOR PHOTON ENERGIES FROM 1.5 TO 6.4 KEV

被引：10

作者：

RANDO, N ^{[1
]}

PEACOCK, A ^{[1
]}

VANDORDRECHT, A ^{[1
]}

HUBNER, P ^{[1
]}

VIDELER, P ^{[1
]}

SALMI, J ^{[1
]}

SUNI, I ^{[1
]}

机构：

[1] TECH RES CTR FINLAND,APPL PSYCHOL LAB,SF-02150 ESPOO 15,FINLAND

来源：

JOURNAL OF APPLIED PHYSICS | 1994年 / 76卷 / 04期

关键词：

D O I：

10.1063/1.357607

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Recent experimental results show a linear energy response in high quality Nb-Al-AlO(x)-Nb superconducting tunnel junction detectors for photon energies between 1.5 and 6.4 keV. The experimental data are based on both direct x-ray illumination and on the escape and re-absorption of fluorescent photons created in the junction electrodes and in the silicon substrate. The observed linearity of the energy response raises questions on the validity of some theoretical models which describe the relaxation process occurring in a superconducting thin film after x-ray photoabsorption. Such models generally predict nonlinear effects due to large quasiparticle number densities and short recombination times.

引用

页码：2490 / 2493

页数：4

共 16 条

[1] THE EFFECT OF HOTSPOT FORMATION ON QUASI-PARTICLE YIELDS IN SUPERCONDUCTING ALUMINUM FILMS [J].

BRINK, PL ;

GOLDIE, DJ ;

PATEL, C ;

BOOTH, NE ;

SALMON, GL .

JOURNAL OF LOW TEMPERATURE PHYSICS, 1993, 93 (3-4) :555-560

[2]

DEKORTE PAJ, 1992, P SOC PHOTO-OPT INS, V1743, P24, DOI 10.1117/12.130664

[3] A MICROALIGNMENT SYSTEM FOR HIGH-PRECISION POSITIONING OF COLLIMATING PINHOLES [J].

FISCHER, W ;

RANDO, N ;

PEACOCK, A ;

VENN, R .

REVIEW OF SCIENTIFIC INSTRUMENTS, 1994, 65 (03) :603-607

[4] FABRICATION AND PROPERTIES OF NB/AL, ALOX/NB JOSEPHSON TUNNEL-JUNCTIONS WITH A DOUBLE-OXIDE BARRIER [J].

HOUWMAN, EP ;

VELDHUIS, D ;

FLOKSTRA, J ;

ROGALLA, H .

JOURNAL OF APPLIED PHYSICS, 1990, 67 (04) :1992-1994

[5] QUASI-PARTICLE TRAPPING, EXCITATION, AND TUNNELING TIMES IN JOSEPHSON-JUNCTIONS WITH SPATIALLY INHOMOGENEOUS ELECTRODES [J].

HOUWMAN, EP ;

GOLUBOV, AA ;

GIJSBERTSEN, JG ;

FLOKSTRA, J ;

ROGALLA, H ;

LEGRAND, JB ;

BRUIJN, MP ;

DEKORTE, PAJ .

JOURNAL OF LOW TEMPERATURE PHYSICS, 1993, 93 (3-4) :677-682

[6] INVESTIGATION OF EPITAXIAL NIOBIUM BASED SUPERCONDUCTING TUNNEL JUNCTION DETECTORS [J].

LEMKE, S ;

HEBRANK, F ;

FOMINAYA, F ;

GROSS, R ;

HUEBENER, RP ;

RANDO, N ;

VANDORDRECHT, A ;

HUEBNER, P ;

VIDELER, P ;

PEACOCK, A .

PHYSICA B, 1994, 194 :1663-1664

[7]

LEVINSON Y, 1986, NONEQUILIBRIUM PHONO, V16, P51

[8] THE PROPERTIES OF NIOBIUM SUPERCONDUCTING TUNNELING JUNCTIONS AS X-RAY-DETECTORS [J].

RANDO, N ;

PEACOCK, A ;

VANDORDRECHT, A ;

FODEN, C ;

ENGELHARDT, R ;

TAYLOR, BG ;

GARE, P ;

LUMLEY, J ;

PEREIRA, C .

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 1992, 313 (1-2) :173-195

[9] Highly Collimated Photon Detection using Strongly Coupled Superconducting Tunnel Junctions [J].

Rando, N. ;

Foden, C. L. ;

Peacock, A. ;

van Dordrecht, A. ;

Lumley, J. ;

Pereira, C. .

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY, 1993, 3 (01) :2080-2083

[10] X-RAY-CHARACTERISTICS OF A NIOBIUM SUPERCONDUCTING TUNNEL JUNCTION WITH A HIGHLY TRANSMISSIVE TUNNEL BARRIER [J].

RANDO, N ;

PEACOCK, A ;

FODEN, C ;

VANDORDRECHT, A ;

LUMLEY, J ;

PEREIRA, C .

JOURNAL OF APPLIED PHYSICS, 1993, 73 (10) :5098-5104

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