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Progress in Crystal Growth and Characterization of Materials
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Abstract This paper reviews advancements and some novel ideas (not yet covered by reviews and monographs) concerning thermodynamics and kinetics of protein crystal nucleation and growth, as well as some outcomes resulting therefrom. By accounting the role of physical and biochemical factors, the paper aims to present a comprehensive (rather than complete) review of recent studies and efforts to elucidate the protein crystallization process. Thermodynamic rules that govern both protein and small-...
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#1Alexander E. Yachmenev (Tra: ULTra)
#1A. E. Yachmenev (Tra: ULTra)H-Index: 2
Last. D. S. Ponomarev (Tra: ULTra)H-Index: 8
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Abstract The fabrication and investigation of single and multilayered structures have become an essential issue in the past decades since these structures directly define valuable properties and efficiency of widely used terahertz (THz) emitters and detectors. Since the development of molecular-beam epitaxy, as well as other crystal growth techniques, a variety of structural designs has appeared and has been proposed. Since that, an enormous progress has been achieved beginning from the pioneeri...
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#1Nerith Rocío Elejalde-Cadena (UNAM: National Autonomous University of Mexico)
#2Mayra Cuéllar-Cruz (Universidad de Guanajuato)H-Index: 10
Last. Abel Moreno (UNAM: National Autonomous University of Mexico)H-Index: 19
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Abstract This contribution is a scientific journey divided into three parts. In the first part, we review the role that silica biomorphs of alkaline earth metals have played in the formation of complex structures as a reminiscence of the chemistry of the primitive life on Earth. These biomorphs, and their variety of forms synthesized by simple chemical reactions, can nowadays be experimentally used to explain some mechanisms of biomineralization in living organisms. In the second part, we review...
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#1Laxmi Narayan Tripathi (BIT Mesra: Birla Institute of Technology, Mesra)H-Index: 6
#2Sourabh Barua (BIT Mesra: Birla Institute of Technology, Mesra)
Abstract This review article covers the growth and characterization of two-dimensional (2D) crystals of transition metal chalcogenides, h-BN, graphene, etc. The chemical vapor transport method for bulk single crystal growth is discussed in detail. Top-down methods like mechanical and liquid exfoliation and bottom-up methods like chemical vapor deposition and molecular beam epitaxy for mono/few-layer growth are described. The optimal characterization techniques such as optical, atomic force, scan...
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Abstract The preferred crystallographic orientation of nanocrystals plays a significant role in determining their properties. From the wide variety of nanocrystal growth techniques, we focus in this paper on crystal growth by precipitation from liquid solutions inside porous substrates, and discuss the progress that has been made during the last decade concerning the control of crystal growth direction through this method. In this overview, the motivation and principal mechanisms of achieving hi...
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Abstract Concentrations of elements in single hair samples were evaluated by X-ray fluorescence by scanning with a narrow beam in the growth direction. Zn binds to the hair protein molecules, and is distributed uniformly from hair tip to root bulb by steady-state growth. To avoid the effect of thickness variation for the bulb, the hair elements were evaluated as the amount per protein molecule using the hair [Zn], resulting in the fault-bounded [S] change typical for a solid–liquid interface; th...
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Abstract Thermoelectric devices convert thermal energy, i.e. heat, into electric energy. With no moving parts, the thermoelectric generator has demonstrated its advantage of long-duration operational reliability. The IV–VI compound semiconductor PbTe-based materials have been widely adopted for the thermoelectric applications in the medium temperature range of 350–650 °C. In most of the reports, thermoelectric materials were manufactured by a hot pressing or quench and annealing method. The rece...
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#1Takao Abe (ETSU: East Tennessee State University)H-Index: 4
#2Toru Takahashi (ETSU: East Tennessee State University)
Last. Koun Shirai (Osaka University)H-Index: 13
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Abstract It has been known that, in growing silicon from melts, vacancies (Vs) predominantly exist in crystals obtained by high-rate growth, while interstitial atoms (Is) predominantly exist in crystals obtained by low-rate growth. To reveal the cause, the temperature distributions in growing crystal surfaces were measured. From this result, it was presumed that the high-rate growth causes a small temperature gradient between the growth interface and the interior of the crystal; in contrast, the...
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#1Lex Pillatsch (Empa: Swiss Federal Laboratories for Materials Science and Technology)H-Index: 1
#2Fredrik ÖstlundH-Index: 6
Last. Johann Michler (Empa: Swiss Federal Laboratories for Materials Science and Technology)H-Index: 41
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Abstract Secondary ion mass spectrometry (SIMS) is a well-known technique for 3D chemical mapping at the nanoscale, with detection sensitivity in the range of ppm or even ppb. Energy dispersive X-ray spectroscopy (EDS) is the standard chemical analysis and imaging technique in modern scanning electron microscopes (SEM), and related dual-beam focussed ion beam (FIBSEM) instruments. Contrary to the use of an electron beam, in the past the ion beam in FIBSEMs has predominantly been used for local m...
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Top fields of study
Inorganic chemistry
Chemistry
Crystal growth
Crystal
Crystallography