Static sublimation purification process and characterization of LiZnP semiconductor material

Montag, Benjamin W.; Reichenberger, Michael A.; Edwards, Nathaniel S.; Ugorowski, Philip B.; Sunder, Madhana; Weeks, Joseph; McGregor, Douglas S.

doi:10.1016/j.jcrysgro.2015.03.002

Cited by 4 publications

(6 citation statements)

References 29 publications

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“…The as‐prepared nitrides include Group II (Mg, Ca, Sr, and Ba) nitrides (Figure a) and Group III nitrides, such as GaN 3 and Al 2 N 4 , with doped lanthanide ions. Typical phosphides include zinc (Figure b) and lanthanum phosphides …”

Section: Ampoule Methods For the Synthesis Of Materialsmentioning

confidence: 99%

“…The as-prepared nitrides include Group II (Mg, Ca, Sr, and Ba) nitrides (Figure 5a) [44][45][46] and Group III nitrides, such as GaN 3 [47] and Al 2 N 4 , [48] with doped lanthanide ions. Typical phosphidesi nclude zinc (Figure 5b) [49][50][51] and lanthanum phosphides. [52][53][54] Chalcogenidesc an be easily synthesized in vacuum-sealed ampoules.…”

Section: Ampoule Methods For the Synthesis Of Materialsmentioning

confidence: 99%

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The Ampoule Method: A Pathway towards Controllable Synthesis of Electrocatalysts for Water Electrolysis

Zhao

Jin

Vasileff

et al. 2019

Chemistry A European J

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The ampoule method provides a promising pathway towards controllable synthesis of novel electrocatalysts for water electrolysis due to its straightforward manipulation of reaction conditions, accessible experimental design, and controlled environment. This review introduces the development of the ampoule method and anticipates its application in electrocatalyst synthesis for water electrolysis. We first briefly introduce the history, device configuration, and merits of the ampoule method. Afterwards, we discuss typical materials that are synthesized by the ampoule method. Then, we highlight recent process in applying the ampoule method to synthesize electrocatalysts for water electrolysis. Finally, we discuss the opportunities and potentials of this method in facilitating electrocatalyst synthesis for water electrolysis.

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Section: Ampoule Methods For the Synthesis Of Materialsmentioning

confidence: 99%

Section: Ampoule Methods For the Synthesis Of Materialsmentioning

confidence: 99%

The Ampoule Method: A Pathway towards Controllable Synthesis of Electrocatalysts for Water Electrolysis

Zhao

Jin

Vasileff

et al. 2019

Chemistry A European J

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“…The synthesized material was purified by a static sublimation process. The process appeared to successfully separate both the ternary LiZnP and LiZnAs material, from elemental and binary residual materials that often result from the synthesis process [2,3]. This purified LiZnP and LiZnAs material were subsequently grown into bulk crystals under a high-temperature vertical Bridgman technique [4,5].…”

Section: Device Processing and Fabricationmentioning

confidence: 99%

“…Material purification post ternary synthesis [2,3] reduced the conductivity, and employing Ti/Au contacts also helped produce relatively stable devices, where silver epoxy contacts always resulted in high conductivity devices. Many devices fabricated from bulk grown ingots processed from the in-house synthesized and purified material exhibited a typical ohmic resistance I-V curve, as shown in Fig.…”

Section: I-v Curvesmentioning

confidence: 99%

“…LiZnP was studied in the past as a possible radiation detector material [22], however there is no evidence of a published document from that particular study. In this study, the ternary products, LiZnP and LiZnAs were synthesized, purified and grown into bulk crystalline ingots [1][2][3][4][5]. Described in the following study is a procedure for device fabrication from LiZnP and LiZnAs materials, and details of the subsequent device characterization.…”

Section: Introductionmentioning

confidence: 99%

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Device fabrication, characterization, and thermal neutron detection response of LiZnP and LiZnAs semiconductor devices

Montag

Ugorowski

Nelson

et al. 2016

Nuclear Instruments and Methods in Physics Research Section A:

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Nowotny-Juza compounds continue to be explored as candidates for solid-state neutron detectors. Such a device would have greater efficiency, in a compact form, than present day gasfilled 3 He and 10 BF3 detectors. The 6 Li(n,t) 4 He reaction yields a total Q-value of 4.78 MeV, larger than 10 B, an energy easily identified above background radiations. Hence, devices fabricated from semiconductor compounds having either natural Li (nominally 7.5% 6 Li) or enriched 6 Li (usually 95% 6 Li) as constituent atoms may provide a material for compact high efficiency neutron detectors. Starting material was synthesized by preparing equimolar portions of Li, Zn, and As sealed under vacuum (10-6 Torr) in quartz ampoules lined with boron nitride and subsequently reacted in a compounding furnace [1]. The raw synthesized material indicated the presence high impurity levels (material and electrical property characterizations). A static vacuum sublimation in quartz was performed to help purify the synthesized material [2, 3]. Bulk crystalline samples were grown from the purified material [4, 5]. Samples were cut using a diamond wire saw, and processed into devices. Bulk resistivity was determined from I-V curve measurements, ranging from 10 6-10 11 Ω cm. Devices were characterized for sensitivity to 5.48 MeV alpha particles, 337nm laser light, and neutron sensitivity in a thermal neutron diffracted beam at the Kansas State University TRIGA Mark II nuclear reactor. Thermal neutron reaction product charge induction was measured with a LiZnP device, and the reaction product spectral response was observed.

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Research progress on preparation and purification of fluorine-containing chemicals in lithium-ion batteries

Liu

Gao

Cheng

et al. 2022

Chinese Journal of Chemical Engineering

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Static sublimation purification process and characterization of LiZnP semiconductor material

Cited by 4 publications

References 29 publications

The Ampoule Method: A Pathway towards Controllable Synthesis of Electrocatalysts for Water Electrolysis

The Ampoule Method: A Pathway towards Controllable Synthesis of Electrocatalysts for Water Electrolysis

Device fabrication, characterization, and thermal neutron detection response of LiZnP and LiZnAs semiconductor devices

Research progress on preparation and purification of fluorine-containing chemicals in lithium-ion batteries

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