XIV. The Effect of High Electric Fields on the Absorption of Germanium at Microwave Frequencies

Arthur, J B; Gibson, A.; Granville, J W

doi:10.1080/00207215608937017

Cited by 13 publications

(5 citation statements)

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“…For measuring the differential conductivity of the carriers heated up in tl dc field, the sample was arranged in an X-band wave guide in a direction pa allel to the electric field vector of the microwave [12]. The differential condul tivity could be determined from the dependence of microwave attenuation o the constant-field pulses applied, assuming that the dielectric constant of t k crystal is independent of the electric field [13].…”

Section: Measuring Techniquementioning

confidence: 99%

High‐field transport and low‐field mobility in tellurium single crystals

Hoerstel

Kusnick

Spitzer

1973

Physica Status Solidi (b)

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Hall effect and the Conductivity in a low electric field and the conductivity in a pulsed high electric dc-field were investigated on carefully prepared and long-time annealed samples. The reproducible experimental findings obtained at largely undistorted crystals were compared with calculated values. The calculations were carried o u t for a simple isotropic but non-parabolic energy band model and for different scattering mechanisms. The result, which states that the temperature dependence of the mobility within the range extending from 65 to 180X as well as the field dependence of drift velocity up to approximately 1.5 kV/cm, can be explained only by means of polar optical scattering for a partlbolic energy band structure, can serve as a starting point for more detaiIed analyses.Es wurden an sorgfiltig priiparierten und langzeitig getemperten Proben zugleich der Halleffekt und die Leitfahigkeit im schwachen elektrischen Feld und die Leitfahigkeit im starken elelctrischen Gleichfeld untersucht. Die rsproduzierbaren experimentellen Befunde an weitgehend storurigsfreien Kristzllen werden mit berechneten Werten verglichen. Die Rachnungen wurden fur ein einfaches isotropes, aber nichtparabolisches Bandstrukturmodel1 sowie verschiedene Streumechanismen durchgefiihrt. Das Resultat, daS sowohl die Temperaturabhangigkeit der Beweglichkeit im Bereich 65 bis 180 K als auch die Feldabhangigkeit der Driftgeschwindigkeit b k etwa 1,5 kV/cm allein mit polarer optischer Streuung bei parabolischer Bandstruktur erklart werden konnen, kann als Anhaltspunkt f u r weitergehende Analysen dienen.

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Section: Measuring Techniquementioning

confidence: 99%

High‐field transport and low‐field mobility in tellurium single crystals

Hoerstel

Kusnick

Spitzer

1973

Physica Status Solidi (b)

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“…(15) The external field, which was pulsed to reduce heating effects, was applied parallel to the electric field owing to the r.f. power in the guide, the general arrangement being shown in Fig.…”

Section: H I G H F I E L D M O D U L a T I O Nmentioning

confidence: 99%

“…E a quantity which is very sensitive to small departures from Ohm's law. Using relatively simple apparatus, a departure of 1 part in lo6 can be detected, (15) and it is estimated that using superheterodyne methods 1 part in lo9 should be measurable. Electron scattering processes are still poorly understood even in germanium, (there is still no universally accepted theory of the temperature dependence of the mobility despite extensive study) and the study of small perturbations at low fields should yield valuable mformation.…”

Section: *mentioning

confidence: 99%

“…Electron scattering processes are still poorly understood even in germanium, (there is still no universally accepted theory of the temperature dependence of the mobility despite extensive study) and the study of small perturbations at low fields should yield valuable mformation. Arthur, Gibson and Granvdle (15) found that, at fields up to a few hundred volts per centimetre, the mobility of electrons in germanium was given by a relation of the form…”

Section: *mentioning

confidence: 99%

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A topological invariant of the Lorenz attractor

Клиншпонт¹

1992

Russ. Math. Surv.

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“…Introduction. -The first microwave (mw) experiment on hot electrons was reported by Arthur et al in 1956 /l/. It triggered a series of works devoted to the application of mw's for hot electron investigations.…”

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confidence: 99%

Microwave Experiments Including Avalanche

Dienys¹,

Dargys²

1981

J. Phys. Colloques

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Résumé. -Dans cet exposé sommaire, on décrit les principes des techniques le plus souvent utilisées des micro-ondes destinées à l'étude des^électrons cnauas dans les semiconducteurs; on présente aussi l'état actuel des recherches dans le domaine des électrons chauds effectuées dans le champ électrique des micro-ondes. On souligne surtout les expériences ou l'on utilise la spécifité d'échauffement par le champ des micro-ondes aussi bien que celles qui ont permis de compléter l'information concernant le champ électrique continu.Abstract. -The principles of the most popular microwave techniques for hot electron investigations in semiconductors are briefly described and the current status of hot electron investigations with microwaves is reviewed. The emphasis is put on the experiments which make use of the specific features of microwave heating or give an extra information in addition to that obtained from d.c. measurements.

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XIV. The Effect of High Electric Fields on the Absorption of Germanium at Microwave Frequencies

Cited by 13 publications

References 4 publications

High‐field transport and low‐field mobility in tellurium single crystals

High‐field transport and low‐field mobility in tellurium single crystals

A topological invariant of the Lorenz attractor

Microwave Experiments Including Avalanche

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