X-ray diffraction has undoubtedly been integral towards materials science research. We want to gather the XRD community to share knowledge and gain ideas on how to improve materials research. For the upcoming series of Malvern Panalytical’s XRD workshops across the Asia Pacific region, we have invited our leading specialist, Dr Umesh Tiwari, to share his knowledge. We are proud to be partnering the Chapter of Singapore Crystallographers and NTU FACTS for this workshop.
Dr Tiwari is the Global Product Manager for Malvern Panalytical, specialising in advanced materials. His specialty is in thin films research using X-ray diffraction. Alongside esteemed researchers from Nanyang Technological University - Dr Samuel Morris and Dr Liu Weiling, the team will take you through the basics of X-ray diffraction.
In this tailored XRD workshop, we will focus a lot on learning how to collect good data as well as how to properly analyse and interpret the data. Dr Tiwari will showcase how to perform phase identification, phase quantification as well as Rietveld refinement on Malvern Panalytical's HighScore software. As this is a hands on session, each participant will be issued a trial software license. Please bring along your laptop for this classroom exercise.
Summary
- Date:
- May 13 2019 - May 13 2019
- Time:
-
09:00 - 17:00
(GMT+08:00) China - Country:
- Singapore
- Location:
- NTU, The Arc - Learning Hub North (LHN) LHN-B1-15 63 Nanyang Drive Singapore 636922
- Event type:
- Seminar
- Language:
- English
Agenda
Programme:
• 9.15am: Introduction to powder X-ray diffraction: from the theory of Braggs law through to the physics of the X-ray diffractometer
• 10.30am: Coffee / Tea break
• 10.45am: How to collect good quality data: sample preparation and common pitfalls
- Understanding the importance of sample height, ground vs non-ground, sample holders, orientation, particle size, inherent machine peak width etc
• 12.00pm: Lunch
• 1.00pm: How to record good data: considerations
- Analysis time, step size, slits, spinning, binning multiple data sets together, signal to noise, how bad smoothing is
• 2.00pm: Data analysis: knowing the difference between good and bad data
- In groups, analyse data sets and give suggestions on how to improve the data.
• 2.30: Coffee / Tea break
• 2.45pm: Data interpretation and refinement
- Phase quantification, crystallite size, quantification
- Rietveld refinement using Malvern Panalytical's HighScore software*
• 4.45pm: Recap and questions
• 5pm: End
* Each attendee will be given a trial version of the software. Attendees are requested to bring their own laptop for this segment. HighScore is not compatible with MAC PCs.
Speakers
About Dr Tiwari
Dr Tiwari is the Global Product Manager for Advanced Materials at Malvern Panalytical. He has close to 20 years of experience in X-ray analytical methodology, instrumentation and analytical techniques. Prior to joining Malvern Panalytical, he worked with Tata Research as well as the Solid State Physics Laboratory as a senior scientist in India. He specializes in materials analysis using X-ray diffraction, particularly for pharmaceuticals, semiconductor, energy and data storage, cement, metals and industrial minerals.
About Dr Morris
Dr Morris is a key member of the Chapter of Singapore Crystallographers. He primarily uses X-ray diffraction (single-crystal, powder and PDF) to study the structure of a variety of materials, specializing in advanced in-situ studies of porous materials using synchrotron radiation. Dr Morris undertook his undergraduate and Masters of Chemistry at The University of Southampton, UK and his PhD at The University of St Andrews, UK. Dr Morris is now a Research Fellow at FACTS, a characterization centre at Nanyang Technological University, Singapore.
About Dr Liu
Dr Liu is a Research Fellow in the Facility for Analysis, Characterisation, Testing and Simulation (FACTS), Dr Liu’s research includes microstructural and quantitative analysis of powder X-ray diffraction data. She received her PhD degree in Materials Science and Engineering from Nanyang Technological University, Singapore in 2017.
More information
*Complimentary entry upon registration*
Benefit from our full day interactive learning workshop
- Learn the basics of powder XRD
- Pick up tips on how to properly prepare your samples, ensure optimized measurement conditions and good data quality
- Learn how to perform phase ID on our HighScore software
- Gain confidence in advanced XRD analysis using Rietveld Refinement