Bulk growth of near-IR cadmium mercury telluride (CMT)

Capper, P.; Maxey, C. D.; Butler, Charles; Grist, M.; Price, J.

doi:10.1023/b:jmse.0000043419.99510.50

Cited by 10 publications

(3 citation statements)

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“…This work is being undertaken to improve our basic understanding of the properties of CMT in the near-IR region and to investigate the suitability of the material for use in various IR optical applications. The growth process remained essentially unchanged for these high-x crystals [32,37]. This demonstrates the fundamental problem in the near-equilibrium growth of CMT by melt growth methods, i.e., the wide separation between the liquidus and the solidus.…”

Section: High-x Cmt Materialsmentioning

confidence: 75%

Oscillatory-Driven Fluid Flow Control during Crystal Growth from the Melt

Capper¹,

Zharikov

2015

Handbook of Crystal Growth

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Section: High-x Cmt Materialsmentioning

confidence: 75%

Oscillatory-Driven Fluid Flow Control during Crystal Growth from the Melt

Capper¹,

Zharikov

2015

Handbook of Crystal Growth

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“…Also there are limitations in the ingot diameter, which makes bulk growth suitable for only quad or single detector arrays. Several methods have been developed for growing MCT bulk crystals: Solid State Recrystallization (SSR), Traveling Heater Method (THM), Bridgman, Czochralski, Slush Growth, and Zone Melting [9][10][11][12][13][14]. This section will cover SSR and THM techniques.…”

Section: Bulk Crystal Growthmentioning

confidence: 99%

Advances in Infrared Detector Array Technology

Dhar¹,

Dat²,

Sood³

2013

Optoelectronics - Advanced Materials and Devices

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This Chapter covers recent advances in Short Wavelength Infrared (SWIR), Medium Wavelength Infrared (MWIR) and Long Wavelength Infrared (LWIR) materials and device technologies for a variety of defense and commercial applications. Infrared technology is critical for military and security applications, as well as increasingly being used in many commercial products such as medical diagnostics, drivers' enhanced vision, machine vision and a multitude of other applications, including consumer products. The key enablers of such infrared products are the detector materials and designs used to fabricate focal plane arrays (FPAs). Since the 1950s, there has been considerable progress towards the materials development and device design innovations. In particular, significant advances have been made during the past decade in the band-gap engineering of various compound semiconductors that has led to new and emerging detector architectures. Advances in optoelectronics related materials science, such as metamaterials and nanostructures, have opened doors for new approaches to apply device design methodologies, which are expected to offer enhanced performance and low cost products in a wide range of applications. This chapter reviews advancements in the mainstream detector technologies and presents different device architectures and discussions. The chapter introduces the basics of infrared detection physics and various infrared wavelength band characteristics. The subject is divided into individual infrared atmospheric transmission windows to address related materials, detector design and device performance. Advances in pixel scaling, junction formation, materials growth, and processing technologies are discussed. We discuss the SWIR band (1-3 microns) and address some of the recent advances in In-GaAs, SiGe and HgCdTe based technologies and their applications. We also discuss MWIR band that covers 3-5 microns, and its applications. Some of the key work discussed includes InSb, HgCdTe, and III-V based Strained Layer Super Lattice (SLS) and barrier detector tech

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“…Recently, work has been undertaken in the author's laboratory to extend the basic ACRT process to produce near-IR material, where higher starting x values are used (Capper et al [35]). An improved ampoule seal-off procedure was developed to enable us to grow at the higher temperatures (hence higher pressures) needed for these higher-x start crystals.…”

Section: Accelerated Crucible Rotation Technique (Acrt)mentioning

confidence: 99%