Crystals  

Atsutomo Nakamura, Kensuke Yasufuku, Yuho Furushima, Kazuaki Toyoura, K. Peter D. Lagerlöf and Katsuyuki Matsunaga

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Tian-Xue Ma, Yue-Sheng Wang and Chuanzeng Zhang

Phoxonic crystals, which exhibit simultaneous phononic and photonic bandgaps, are promising artificial materials for optomechanical and acousto-optical devices. In this paper, simultaneous guidance of surface acoustic and surface optical waves in truncate... see more

Dayana Arias, Luis A. Cisternas and Mariella Rivas

The formation of minerals such as calcite and struvite through the hydrolysis of urea catalyzed by ureolytic bacteria is a simple and easy way to control mechanisms, which has been extensively explored with promising applications in various areas such as ... see more

Mona M. M. Alyobi, Chris J. Barnett and Richard J. Cobley

Graphene’s novel electrical, optical, and mechanical properties are affected both by substrate interaction and processing steps required to fabricate contacts and devices. Annealing is used to clean graphene devices, but this can lead to doping and defect... see more

Frieder Lucklum and Michael J. Vellekoop

While phononic crystals can be theoretically modeled with a variety of analytical and numerical methods, the practical realization and comprehensive characterization of complex designs is often challenging. This is especially important for the nearly limi... see more

Brian K. Tanner, David Allen, Jochen Wittge, Andreas N. Danilewsky, Jorge Garagorri, Eider Gorostegui-Colinas, M. Reyes Elizalde and Patrick J. McNally

The crack geometry and associated strain field around Berkovich and Vickers indents on silicon have been studied by X-ray diffraction imaging and micro-Raman spectroscopy scanning. The techniques are complementary; the Raman data come from within a few mi... see more

Lin Han, Yan Zhang, Xiaomei Li, Linhua Jiang and Da Chen

Considering the combination of the transmission lines and phononic crystals (PCs), we propose a new method to solve the problem of the galloping of overhead transmission lines. The method has two key points: attaching the suitable mass-spring system on ea... see more

Ming-Chang Lee, Shih-Ting Tseng, Juan-Cheng Yang, Tung-Ju Hsieh, Shang-Chuen Wu, Shu-Min Kuan, Ming-Jen Chen, Ming-Chiu Chang, Chun-Chiu Wang, Hsiu-Lin Chen, Guor-Cheng Fang, Winn-Jung Huang, Tzu-Ping Ko and Yeh Chen

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Daniel Michalik, Tomasz Pawlik, Benedykt Kuklinski, Agata Lazarowska, Tadeusz Lesniewski, Justyna Barzowska, Sebastian Mahlik, Marek Grinberg, Barbara Adamczyk, Mateusz Plawecki and Malgorzata Sopicka-Lizer

The phosphor powders of Ca(m/2)-xEuxSi12-(m+n)Alm+nOnN16-n (m = 1.6, n = 0.8, x in the range of 0–0.08) were synthesized by means of a solid state reaction in flowing nitrogen in a carbon resistant furnace and the influence of Eu concentration on the crys... see more

Oleh V. Parasyuk, Volodymyr S. Babizhetskyy, Oleg Y. Khyzhun, Volodymyr O. Levytskyy, Iwan V. Kityk, Galyna L. Myronchuk, Oksana V. Tsisar, Lyudmyla V. Piskach, Jaroslaw Jedryka, Artur Maciag and Michal Piasecki

The studies of the laser operated third order nonlinear optical features of novel TlGaSn2Se6 crystal were done. The main efforts were devoted to a search of a possibility to apply these crystals as laser operated optoelectronic material. For this reason, ... see more

Matthias Weil

The three mixed-metal oxochromates(VI) Cd(HgI2)2(HgII)3O4(CrO4)2, Cd(HgII)4O4(CrO4), and Zn(HgII)4O4(CrO4) were grown under hydrothermal conditions. Their crystal structures were determined from single-crystal X-ray diffraction data. The crystal-chemical ... see more

Takeharu Kishi, Ryo Suzuki, Chika Shigemoto, Hidenobu Murata, Kenichi Kojima and Masaru Tachibana

Vickers microindentation hardness of protein crystals was investigated on the (110) habit plane of tetragonal hen egg-white lysozyme crystals containing intracrystalline water at controlled relative humidity. The time evolution of the hardness of the crys... see more

Svetlana V. Serak, Timothy J. Bunning and Nelson V. Tabiryan

Liquid crystals can be photoaligned with a single nanosecond pulse acting on thin photoanisotropic coatings on the cell substrates. This phenomenon was demonstrated for pulses of 532 nm and 355 nm wavelengths (second and the third harmonics of a Nd:YAG la... see more

Shouzhu Niu, Zhipeng Wei, Xuan Fang, Dengkui Wang, Xinwei Wang, Xian Gao and Rui Chen

Groups III–V semiconductors have received a great deal of attention because of their potential advantages for use in optoelectronic and electronic applications. Gallium antimonide (GaSb) and GaSb-related semiconductors, which exhibit high carrier mobility... see more

David . R Allan, Harriott Nowell, Sarah A. Barnett, Mark R. Warren, Adrian Wilcox, Jeppe Christensen, Lucy K. Saunders, Andrew Peach, Mark T. Hooper, Ljubo Zaja, Suren Patel, Leo Cahill, Russell Marshall, Steven Trimnell, Andrew J. Foster, Trevor Bates, Simon Lay, Mark A. Williams, Paul V. Hathaway, Graeme Winter, Markus Gerstel and Ron W. Wooley

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Shahriyar Keshavarz, Zara Molaeinia, Andrew Reid and Stephen Langer

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Alexandra C. Burch, John D. Yeager and David F. Bahr

Assessing the mechanical behavior (elastic properties, plastic properties, and fracture phenomena) of molecular crystals is often complicated by the difficulty in preparing samples. Pharmaceuticals and energetic materials in particular are often used in c... see more

Koji Kosai, Hu Huang and Jiwang Yan

Single-crystal germanium is a semiconductor material which shows complicated phase transformation under high pressure. In this study, new insight into the phase transformation of diamond-cubic germanium (dc-Ge) was attempted by controlled cyclic nanoinden... see more

Michele Baldrighi, Pierangelo Metrangolo, Tullio Pilati, Giuseppe Resnati and Giancarlo Terraneo

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Alaa Adawy and Matthew R. Groves

High resolution size exclusion chromatography (SEC) coupled with static light scattering (SLS) analyses were conducted to study the effect of the mobile phase ionic strength and protein concentration on the output of SEC experiments. The results highlight... see more

Mao Liu, Jiawei Xiang and Yongteng Zhong

A wavelet-based finite element method (WFEM) is developed to calculate the elastic band structures of two-dimensional phononic crystals (2DPCs), which are composed of square lattices of solid cuboids in a solid matrix. In a unit cell, a new model of band-... see more

Mohammad Mizanur Rahman, Daniel Phillip Germantsis, Mayra Alejandra Machuca, Abu Iftiaf Salah Ud-Din and Anna Roujeinikova

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Geun Woo Lee

The formation mechanism of metastable crystals from metastable liquids still remains elusive, although controlling the metastability of crystals and liquids already plays a crucial role in designing new materials in physics, chemistry, biology, and materi... see more

Dominik Kurzydlowski, Magdalena Soltysiak, Aleksandra Dzoleva and Patryk Zaleski-Ejgierd

Since the synthesis of the first krypton compound, several other Kr-bearing connections have been obtained. However, in all of them krypton adopts the +2 oxidation state, in contrast to xenon which forms numerous compounds with an oxidation state as high ... see more

Firudin I. Guseinov, Mikhail F. Pistsov, Eldar M. Movsumzade, Leonid M. Kustov, Victor A. Tafeenko, Vladimir V. Chernyshev, Atash V. Gurbanov, Kamran T. Mahmudov and Armando J. L. Pombeiro

Reaction of 2-chloro-2-(diethoxymethyl)-3-substitutedoxirane or 1-chloro-1-(substituted) -3,3-diethoxypropan-2-one with pyridine-2-thiol in EtOH at 25 °C yields 3-(diethoxymethyl)-3-hydroxy-2-substituted-2,3-dihydrothiazolo[3,2-a]pyridin-4-ium chlorides, ... see more

Vladimir A. Lazarenko, Pavel V. Dorovatovskii, Yan V. Zubavichus, Anatolii S. Burlov, Yurii V. Koshchienko, Valery G. Vlasenko and Victor N. Khrustalev

This paper concisely describes capabilities of the ‘Belok’ beamline at the Kurchatov synchrotron radiation source, related to high-throughput small-molecule X-ray crystallography. As case examples, a series of four novel transition metal complexes with az... see more

Sowjanya Mannepalli and Kiran S. R. N. Mangalampalli

This review article summarizes the recent advances in measuring and understanding the indentation-induced plastic deformation and fracture behavior of single crystals of a wide variety of organic molecules and pharmaceutical compounds. The importance of h... see more

Yan-Feng Wang and Vincent Laude

We investigate longitudinal near-field coupling between acoustic resonators grafted along a waveguide. Experiments are performed in the audible range with a simple acoustic system composed of a finite aperiodic sequence of air resonators. Transmission typ... see more

Xianshi Zeng, Yuanxiu Ye, Shenlin Zou, Qingdong Gou, Yufeng Wen and Ping Ou

The complete set of independent second- and third-order elastic constants of rare-earth hexaborides LaB 6 and CeB 6 are determined by the combination method of first-principles calculations and homogeneous deformation theory. The ground-st... see more