English
Related papers

Related papers: Development of travelling heater method for growth…

200 papers

Heat Capacity of needle-like [length=5mm, diameter=1 mm] $\beta$-FeSi$_{2}$ single crystal, grown by chemical vapor transport has been measured. Two anomalies are found, a broad deviation centered around 160 K and a clear deviation at a…

Materials Science · Physics 2009-11-11 Sher Alam , T. Nagai , Y. Matsui

Cadmium telluride (CdTe) and cadmium zinc telluride (CdZnTe) have been regarded as promising semiconductor materials for hard X-ray and Gamma-ray detection. The high atomic number of the materials (Z_{Cd} =48, Z_{Te} =52) gives a high…

Astrophysics · Physics 2009-11-06 Tadayui Takahashi , Shin Watanabe

A cryogenic detector system based on two 3.3 kg high-purity CsI crystals was developed and characterized at approximately 95 K. Each wedge-shaped crystal was coupled to dual-ended 3-inch photomultiplier tubes (PMTs) for scintillation…

Instrumentation and Detectors · Physics 2025-09-23 Chen'guang Su , Lingquan Kong , Qian Liu , Shi Chen , Wenqian Huang , Kimiya Moharrami , Yangheng Zheng , Jin Li

Understanding thermal transport in layered transition metal dichalcogenide (TMD) crystals is crucial for a myriad of applications exploiting these materials. Despite significant efforts, several basic thermal transport properties of TMDs…

Here, we describe synthesis of TMD crystals using a two-step flux growth method that eliminates a major potential source of contamination. Detailed characterization of TMDs grown by this two-step method reveals charged and isovalent defects…

The THGEMs based on ceramic substrate were developed successfully for neutron and single photon detection. The influences on thermal neutron scattering and the internal radioactivity of both ceramic and FR-4 substrates were studied and…

Instrumentation and Detectors · Physics 2014-10-21 Jia-Qing Yan , Yu-Guang Xie , Tao Hu , Jun-Guang Lu , Li Zhou , Guo-Pu Qu , Xiao Cai , Shun-Li Niu , Hai-Tao Chen

The methodology of single crystal growth of metastable $\beta$-Ti alloy TIMETAL LCB in an optical floating zone furnace is presented in this paper. Chemical compositions of both precursor material and single crystals were checked. It was…

Materials Science · Physics 2018-03-21 Jana Šmilauerová , Jiří Pospíšil , Petr Harcuba , Václav Holý , Miloš Janeček

Terahertz (THz) radiation has uses from security to medicine; however, sensitive room-temperature detection of THz is notoriously difficult. The hot-electron photothermoelectric effect in graphene is a promising detection mechanism:…

Large size single crystals of bis(thiourea)zinc(II) chloride (BTZC), a potential nonlinear optical material, have been grown successfully by the Sankaranarayanan Ramasamy (SR) method. Powder X-ray diffraction and Fourier transform infrared…

Materials Science · Physics 2014-03-20 S. K. Kushwaha , N. Vijayan , G. Bhagavannarayana

Pb(Mg1/3Nb2/3)O3-PbTiO3 solid solution (PMN(1-x)-PTx) ceramics with 0 <x<1 have been prepared by homo-epitaxial templated grain growth (HTGG) using cubic PMN-PT single crystal seeds as templates and nanoparticles for thes ceramic matrix.…

Materials Science · Physics 2007-05-23 Mai Thi Pham , Gregory March , Philippe Colomban

We report on the scintillation characterization of a 1 cm^3 CsI(Tl) crystal coupled to a 6 x 6 mm^2 SiPM read out with a custom transimpedance amplifier at cryogenic temperatures. The crystal was prepared with optical-grade surfaces and…

Instrumentation and Detectors · Physics 2025-11-19 M. Mirzakhani , R. Mahapatra , M. Platt

Various single crystal growth techniques are presented for the unconventional superconductor UTe2. The molten salt flux liquid transport (MSFLT) method is employed to grow high-quality and large single crystals, exhibiting a high residual…

Strongly Correlated Electrons · Physics 2024-03-15 Dai Aoki

Resistive RAM (RRAM) devices are candidates for neuromorphic computing devices in which the functionality lies in the formation and reversible rupture and gap-closing of conducting filaments in insulating layers. To explore the thermal…

Mesoscale and Nanoscale Physics · Physics 2025-01-31 Nele Harnack , Sophie Rodehutskors , Bernd Gotsmann

The oscillating temperature technique was successfully employed to grow large and composition homogeneous CaFeAsF single crystals due to the reduction of nuclei number by temperature oscillation. The largest as-grown CaFeAsF single crystal…

Superconductivity · Physics 2022-03-02 Ming-Wei Ma , Binbin Ruan , Menghu Zhou , Yadong Gu , Qingsong Yang , Junnan Sun , Zhi-An Ren

High-temperature indium flux growth was applied to prepare single crystals of GdRh$_2$Si$_2$ by a modified Bridgman method leading to mm-sized single crystals with a platelet habitus. Specific heat and susceptibility data of GdRh$_2$Si$_2$…

Strongly Correlated Electrons · Physics 2016-12-05 Kristin Kliemt , Cornelius Krellner

We report on sexithiophene films, about 150nm thick, grown by thermal evaporation on single crystal oxides and, as comparison, on Si/SiO2. By heating the entire deposition chamber at 100 C we obtain standing-up oriented molecules all over…

Materials Science · Physics 2015-05-13 Carmela Aruta , Pasquale D'Angelo , Mario Barra , Giovanni Ausanio , Antonio Cassinese

A Mythen detector has been equipped at the beamline 4B9A of Beijing Synchrotron Radiation Facility, which can be used for in-situ real-time measurement of X-ray diffraction (XRD) full profiles. In this paper, the thermal expansion behavior…

Materials Science · Physics 2015-08-19 Rong Du , Zhongjun Chen , Quan Cai , Jianlong Fu , Yu Gong , Zhonghua Wu

Single Crystals of Nd$_{1-x}$Ca$_{1+x}$MnO$_{4}$ have been prepared by the traveling floating-zone method, and possible evidence of a charge -orbital density wave in this material presented earlier [PRB68,092405 (2003)] using High…

Strongly Correlated Electrons · Physics 2015-06-25 Sher Alam , A. T. M. N. Islam , T. Nagai , M. Xu , Javed Ahmad , Y. Matsui , I. Tanaka

Frequency-selective or even frequency-tunable Terahertz (THz) photodevices are critical components for many technological applications that require nanoscale manipulation, control and confinement of light. Within this context, gate-tunable…

A crack free and high structural quality Sr2Nb2O7 single crystals were grown by the optical float zone method using optimized growth parameters. Laue pattern confirms single crystalline nature of the grown crystal. Temperature dependent…