The XRD spectra of PbTe prepared at 0 GPa, 2 GPa and 4 GPa are shown in Fig. 1. The patterns indicate that all the samples are of NaCl-type struc- ture and no noticeable second phases are...

2025年1月21日 · In this manuscript, we present a modified hot-injection synthesis method that combines OA with shorter carboxylic acids (OctA, DA, and LA) to tune PbTe QD size and morphology across a range of...

2020年9月4日 · High-energy x-ray diffraction (HE-XRD) experiments combined with an analysis based on atomic-pair-distribution functions can be an effective tool for probing low-dimensional materials. Here, we show how such an analysis can be used to gain insight into structural properties of PbTe nanoparticles (NPs).

2020年5月15日 · The powder X-ray diffraction (XRD) patterns by both a synchrotron radiation facility and a laboratory one are shown in Figure 1; Figure S1, Supporting Information, respectively. From the XRD patterns, all the diffraction peaks for Na 0.02 Eu 0.03 Cd x Pb 0.95− x Te and Na y Eu 0.03 Cd 0.03 Pb 0.94− y Te can be well indexed to the rock salt ...

2011年4月21日 · PbTe NCs are characterized by X-ray diffraction (XRD), transmission electron microscope (TEM), and optical characteristics. PbTe NCs show large absorption tunability (>400 nm) by employing time-based strategies because of the strong quantum confinement.

All the diffraction peaks in the XRD patterns can be indexed as a face-centered cubic PbTe (JCPDS: 78-1905) [16] which confirms the crystalline phase purity of the as-synthesized PbTe. ......

2018年12月1日 · The structural properties were investigated by using X-ray diffraction (XRD) and corresponding scanning electron microscopy together with their EDX analysis. Both the PbS and PbTe nanomaterials possess good polycrystalline structure. The crystallite size, determined from the XRD data, of PbS is 5 nm whereas the corresponding value of PbTe is 2. ...

2022年10月1日 · A single crystal of Lead Telluride (PbTe) has been grown by Czochralski technique. The microstructure of PbTe alloy as grown showed the cubic rock salt (NaCl) structure as confirmed by the XRD and TEM results. The composition of Pb:Te ratio of around 1:1.1 was indicated the Te-rich.

已通过 Czochralski 技术生长了碲化铅 (PbTe) 单晶。XRD 和 TEM 结果证实，PbTe 合金的微观结构在生长时显示出立方岩盐 (NaCl) 结构。Pb：Te的组成比例约为1：1.1，表明富含Te。

2023年5月1日 · The X-ray diffraction (XRD) patterns for high quality Pb 0.95-x Na 0.04 Sn x Te (0 ≤ x ≤ 0.04) samples are measured at room temperature (see in Fig. 1 (a)). All the main diffraction peaks correspond well to the NaCl-type crystal structure of …