Sistema inteligente de difração de raio X

Difração de pó, difração de película fina, SAXS, dispersão em superfície plana


O SmartLab é o difratômetro de alta resolução mais moderno disponível atualmente. Talvez seu recurso mais inovador seja o software SmartLab Guidance, que oferece ao usuário uma interface inteligente que o orienta pelos caminhos intrínsecos de cada experimento. É como ter um especialista em pé ao seu lado.

Projetado para oferecer desempenho

O equipamento incorpora um sistema de acionamento de goniometria de circuito fechado θ/θ e alta resolução, óptica de feixe de seção transversal (CBO), um braço de dispersão para superfície plana e um gerador rotativo de ânodos 9,0 kW opcional.

Desenvolvido para proporcionar flexibilidade

Acoplando um sistema de alinhamento controlado por computador a um sistema óptico totalmente automatizado e ao software Guidance facilita a alternância entre os modos de hardware, garantindo que a complexidade do hardware nunca seja um obstáculo para sua pesquisa.

Funcionalidade redefinida

Se estiver trabalhando com películas finas, nanomateriais, pós ou líquidos, o SmartLab proporcionará a você a funcionalidade de fazer as medições desejadas na hora em que desejar fazê-las.

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  • Alinhamento totalmente automatizado sob controle do computador.
  • Braço opcional de difração para superfície plana para medições planas sem reconfiguração.
  • Geometrias de foco e de feixe paralelo sem reconfiguração.
  • Capacidades SAXS.

SmartLab Studio: A central software platform that simplifies X-ray analysis

Guidance SmartLab Studio is a platform that seamlessly integrates the software modules that operate and analyze data generated by the SmartLab diffractometer. It enhances the communication between the application software modules and increases ease of use. For example, data generated from one application module can be sent to another with a single mouse click using the Launcher, an interface that serves as the starting point for application software modules. When you select a data file, it will show you what applications can be launched. Various processes from measurement to analysis are automatically executed by using a recipe function. Using SmartLab Studio as the central point of all data measurement and analysis allows for a more efficient workflow and fewer possibilities for errors.

The Guidance package, based on built-in expertise, suggests the optimal hardware confi guration and settings for specific application measurements. The program will determine which optics are most appropriate for a given application, determine the instrument settings and execute the measurement, off ering a completely automated measurement sequence. Since the SmartLab has built-in component recognition, Guidance will not only tell you how you should confi gure the SmartLab for a given measurement, it will also warn you if you have not confi gured it properly. Expert advice coupled with hardware that will confirm the correct configuration is the foundation of the SmartLab system.

Rigaku’s PDXL is a modular full-functioned powder X-ray analysis software package developed to combine extreme ease of use with powerful state of the art analysis methods. The unique flowbar makes this package the easiest to use in the industry.

2DP is a program for processing two dimensional (2D) data. Functions include conversion to 1D data, background subtraction and merging while maintaining data in a 2D format, and the creation of actual movies depicting the changes in scattering data resulting from dynamical processes. Videos can be saved in AVI or WMV formats.

3D Explore is used to display reciprocal space maps (for crystalline evaluation of single crystal thin films or structure evaluation of epitaxial films), as well as pole figures (for surface orientation evaluation of single crystal thin films or preferred orientation evaluation of multi-crystal thin films). Along with topography display and control of color mapping, equivalent-intensity surfaces and contours displays are supported. The measured data can be overlapped with simulation data exported from the DSS module (Diffraction Space Simulation, i.e. reciprocal space map simulation) of SmartLab Guidance. In addition, smoothing, background subtraction, peak search and other data processing functions are also available.

Data Mapper is a powerful tool to display the results of an XY mapping measurement performed using the SmartLab. Virtually any material property measured as a function of position on a sample can be mapped and displayed for simple visualization of anisotropic properties.

The GlobalFit program offers advanced parallel tempering base fitting methods that have been customized for analytical X-ray applications. Years of practical experience in the development of experimental methods for the X-ray analysis of thin films have been incorporated into the GlobalFit programs to complement and enhance the performance of traditional parallel tempering algorithms. As with all Rigaku software products, GlobalFit programs offer an intuitive, user friendly interface. Automatic reporting, macro driven operation, and Rigaku’s trademark flowbar interface combine to offer users exceptional ease of use and productivity.

Based on small angle scattering data, size distribution of particles and pores existing in media such as powders, bulk material, thin films, and liquids can be analyzed. Generally, a size of about 1 - 100 nm can be analyzed with data collected using standard SAXS, but NANO-Solver can also process length scales up to 1000 nm using USAXS data. Particles and pores of various shapes—such as spheres, core shells, cylinders, and spheroids—can be routinely analyzed. Additionally, a Debye model for analyzing indefinite shapes is also included.

Intensity corrections (e.g. subtracting Compton scattering intensity) of the X-ray scattering pattern allows for determination of the RDF (Radial Distribution Functions) and PDF (Pair Distribution Functions) by the Fourier transform method. Rigaku’s PDF analysis software module can also refine RDFs and PDFs using the MEM (Maximum Entropy Method). This feature allows patterns with small ghost peaks to be obtained even from data with low spatial resolution, which often occurs when scattering is measured using Cu or Mo X-ray sources.

  • SmartLab goniometer in action


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