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23 (0,225s) •

Project

Defect structure of CdTe and (CdZn)Te (ME 394)

The main goal of the project is to find optimal growth conditions and cooling regimes for a production of high quality single crystals with reduced concentrations. of native defects and pre-defined electrical and optical properties optimized for a fa...

BM - Fyzika pevných látek a magnetismus

  • 2000 - 2001
    • •
  • 181 tis. Kč
    • •
  • 101 tis. Kč
    • •
  • MŠMT
Project

Defect self-compensation in CdTe (GA202/08/0644)

The reliable preparation of detector-grade CdTe requires solving apparently contradictory demands consisting in a low free carrier density and the high carrier mobility. In this project we plan the study of defect self-compensation in Cd...

BM - Fyzika pevných látek a magnetismus

  • 2008 - 2010
    • •
  • 2 457 tis. Kč
    • •
  • 2 457 tis. Kč
    • •
  • GA ČR
Project

Photoplasticity of CdTe and CdZnTe single crystals at various experimental conditions (GA19-17783S)

CdTe semiconductor and its ternary compound CdZnTe belong to the most studied II-VI materials due to their unique properties. While their electrical and optical properties are already described in depth, knowledge about their mechanical meas...

Materials engineering

  • 2019 - 2022
    • •
  • 6 042 tis. Kč
    • •
  • 5 706 tis. Kč
    • •
  • GA ČR
Project

High quality semiinsulating CdTe for gamma ray detectors (GA102/06/0258)

at preparation of semiinsulating detector-grade CdTe and CdZnTe crystals with high species should allow to produce the semi-insulating CdTe also in the case......

BM - Fyzika pevných látek a magnetismus

  • 2006 - 2008
    • •
  • 2 038 tis. Kč
    • •
  • 2 038 tis. Kč
    • •
  • GA ČR
Project

Surface passivation of CdTe/CdZnTe radiation detectors. (GA15-05259S)

Wide band-gap CdTe/CdZnTe semiconductors are widely used for production of room temperature x-ray and gamma-ray detectors. Significant expansion of these detectors in a variety of applications prevents instability of electrical and spectrosc...

BM - Fyzika pevných látek a magnetismus

  • 2015 - 2017
    • •
  • 6 647 tis. Kč
    • •
  • 6 647 tis. Kč
    • •
  • GA ČR
Project

Defect structure characterization on CdTe/CdZnTe single crystals (7AMB12GR032)

The data from measurements of the AFM, FTIR and Raman Spectroscopy of undoped and doped CdTe/(CdZn)Te samples have been compared within the project and the defect structure will be characterized. Some samples will be annealed at various anne...

JA - Elektronika a optoelektronika, elektrotechnika

  • 2012 - 2013
    • •
  • 140 tis. Kč
    • •
  • 140 tis. Kč
    • •
  • MŠMT
Project

Research and development of apparatus and technology for zone purification and synthesis of single crystals of CdTe-based semiconductors for optoelectronic applications (TA03010103)

single crystals CdTe and CdZnTe for new generation of uncooled X-ray and gamma-ray. Our existing experience with the preparation of CdTe and CdZnTe proves that if the technology of CdTe is mastered, the transfer to CdZnTe ...

BM - Fyzika pevných látek a magnetismus

  • 2013 - 2016
    • •
  • 19 920 tis. Kč
    • •
  • 12 948 tis. Kč
    • •
  • TA ČR
Project

Influence of Te inclusions on performance of CdTe and CdZnTe radiation detectors (GAP102/10/0148)

The high performance of CdTe-based X-ray radiation detectors relies upon their efficiently collecting free carriers generated by irradiation. Te inclusions, as inherent structural defects, are present in as-grown CdTe and (CdZn)Te c...

JB - Senzory, čidla, měření a regulace

  • 2010 - 2012
    • •
  • 2 889 tis. Kč
    • •
  • 2 889 tis. Kč
    • •
  • GA ČR
Project

Preparation of electric contacts on CdTe and CdZnTe radiation detectors (GA16-23165S)

Semiconductors CdTe and CdZnTe are due to their unique properties considered as optimum materials for uncooled X- and gamma-ray detectors. One of the reasons of their low utilization is unsatisfactory mastered technology of electric contacts...

BM - Fyzika pevných látek a magnetismus

  • 2016 - 2018
    • •
  • 6 891 tis. Kč
    • •
  • 5 670 tis. Kč
    • •
  • GA ČR
Project

Noise spectroscopy of CdTe X-ray and gamma-ray detectors (GPP102/10/P589)

important in development of CdTe crystal growth technology and contacting technology. Results of low noise spectroscopy of CdTe detectors will help to optimize low noise......

JA - Elektronika a optoelektronika, elektrotechnika

  • 2010 - 2012
    • •
  • 934 tis. Kč
    • •
  • 934 tis. Kč
    • •
  • GA ČR
  • 1 - 10 out of 23