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SuperSTEM User Survey 2014

Thanks to everyone who took the time to complete the survey.  Generally you were very supportive of our work to date and of the additional aspects regarding sample preparation, data processing and modelling that we asked about.

Your views were briefly summarised and included in the Statement of Need we submitted to EPSRC on 15 October for the continuation of a Mid-Range Facility for Aberration-Corrected STEM from 2016 - 2021. 


1) Have you been happy with the SuperSTEM service?

1 0 0%
2 0 0%
3 1 2%
4 6 9%
5 58 89%

Comments regarding the service:

  • Very good facility, excellent user support.
  • Excellent support with sample preparation, during the visit to SuperSTEM and afterwards with data evaluation and processing.
  • We have used the SuperSTEM facility to determine the atomic configuration of planar defects in CdTe solar cells. The data obtained was excellent.
  • Users gain access to both world-class facilities and electron microscopists simultaneously. Working with SuperSTEM staff inspiring new ideas. Support staff also very helpful.
  • Staff very helpful, but the delay between applying and getting time was long (several months), with delays in getting vacant slots also an issue
  • Extremely helpful and welcoming staff. I was provided with all the relevant technical information prior to my visit which helped me prepare for my visit and get the most out of the experiment.
  • Excellent experience from start to finish. Lots of interaction before the visit on optimising the sample which ensured that we maximised our time a the session. Work carried out on our samples by Prof Q Ramasse gave unprecedented insights into the material and resulted in a high impact joint publication to Nano Letters
  • The SuperSTEM facilities definitely offer the possibility to obtain information from our specimens what is possible only in a few place in the word. Moreover, from a scientific point of view it is very interesting to come to Daresbury to discuss and to perform the experiment with the researcher at SuperSTEM.
  • The centre has provided outstanding and world class service. It has helped for the better understanding of structure property relationships in electroceramics leading to the development of new materials.
  • Fredrik Hage and the other members of staff made me welcome and were very helpful.
  • Quick, efficient and friendly.
  • great facility, great flexibility of staff in accommodating needs, very helpful with data evaluation, very proactive with publicising results, great expertise in instrument use and data acquisition.
  • I appreciate the chance to meet friendly members of service staff who impressed me with wide knowledge about STEM analysis. Also communication via email with staff members was easy and kind with quick response time. They offer everything from analysis to data collection. They help to solve research problems and they give a lot of advices for a good data analysis. In few words: helpful, patient, understanding, kind and friendly.
  • The staff is very helpful and hard working!
  • The imaging capabilities of the facility are unparalleled in most of the world. We have been able to conduct studies at the SuperSTEM that are impossible to conduct elsewhere. The staff in particular are excellent; they respond in a timely manner, are world-renowned experts in their field, and will be part of our long term collaborations.
  • Have only used indirectly through someone else's student
  • I am a PhD student. I visited SuperSTEM three times. We used "SuperSTEM 2" for the project which we work together with Prof. Quentin Ramasse.
  • Excellent local expertise.
  • I came for two days in July 2013. The service was excellent. EG applying techniques I had never come across (dark current improvement, haadf hr-scanning within eels pixel, etc), supplying free usb stick for my data, working a little late one evening to get stuff done, evening pub visit, sample promptly returned by post.
  • it is essential for UK science to have top notch facilities. I was very happy with what came out of the analysis on my samples there.
  • SuperSTEM has proved to be a valuable support service to my EPSRC project
  • We have lots of high quality data from previous studies, some of which has resulted in good quality publications.
  • Excellent people and equipment that have got me some fantastic data!
  • The service provided by SuperSTEM was excellent from start to finish. Dr. Pennycook took time to meet with us before the visit; he understood what we wished to determine from the experiments and made clear what was required of us prior to the visit. The results obtained over the two days have answered a number of our questions but also raised others.
  • Unique facility providing very good support for our research questions.
  • very good facility and skilled staff
  • The staff were extremely accommodating and efficient.
  • I am very happy that I could use world class microscopes, meet the experts in the field and do good science with the help of this oppurtunity
  • The service is very good. I think more commication between the user and the SSTEM centre was needed before the beam time.
  • extremely friendly, helpful and experienced
  • The SuperSTEM staff have been very professional and knowledgable in terms of the instrumentation, handling samples, data acquisition and interpretation. They are also very patient during and after the sessions.
  • I am very happy with the service provided bu SuperSTEM. As a research student I found the service to be to the topmost level.
  • Expert support is excellent, very helpful for a first-time users.
  • Very useful support from the dedicated SuperSTEM staff, both on-site during user session, but also above and beyond in data analysis and academic consideration.
  • The service provided by SuperSTEM has been very professional, and done in timely manner.
  • I have only used SuperSTEM on a couple of occasions over the past few years and the service has been excellent.
  • Excellent service!
  • Very helpful and knowledgeable staff!
  • SuperSTEM is the best place to go for all your STEM needs! Everyone was so accommodating, knowledgeable, and great hosts. I don't think I could get better data anywhere else.

2) Do you plan to make repeat use of the facility in the future ?

yes 59 91%
no 6 9%

Comments regarding future use of the facility:

  • Would depend on our need.
  • There are a number of projects where we plan to use the facility, including the planned new instrument.
  • No immediate plans but no doubt will use again.
  • Yes, we will continue to use the facility because of our overwhelmingly positive past experiences. The SuperSTEM enables top-notch global research.
  • An extremely helpful facility with unique possibilities for high-resolution imaging and spectroscopy, e.g., at interfaces.
  • The project that I work is a long term project and further analyses are needed.
  • Even though the machines have always been fully booked for all kinds of experiments and interests, it is really worth waiting for a few days to gain a session, when a lot of high quality data can be generated very quickly using the SuperSTEM facility and with the help of the SuperSTEM staff.
  • We are making a case for further time on the facility.
  • I intend on carrying out further experiments at the facility relating to other materials as I gathered more than expect valuable analysis.
  • I would like to continue a path of research on my samples.
  • We are continuing our work on graphene and will require high resolution imaging for characterisation.
  • Not sure when, but would seriously consider it if necessary.
  • maybe in the future with the monochromated CFEG
  • I anticipate using the facility on a regular basis to characterise quantum dot structures
  • Further studies of graphene-related materials using HAADF/EELS
  • No immediate plans to apply for time
  • We have new double perovkite thin films to study and need to look for ordering in them and understand what drives the ordering.
  • I would like very much to use SuperSTEM in the future. The facility, as it stands, is capable of providing results that can help toward a greater understanding of ODS materials. To date our analysis has concentrated on precipitates extracted from the ferritic matrix and there are obvious issues with introducing magnetic material into the column; however, if suitable specimens can be produced I believe in-matrix analysis would provide further insight into this field of research.
  • As a part of my current and near future research, SuperSTEM will provide a unique research capability and enable research plan to be fully released to the highest standards..
  • measurements that can currently not be done anywhere else concern HAAFD atomic resolution imaging and low loss EELS of 2-D materials, especially with regards to the arrival of SSTEM3
  • The chemical mapping facility is very useful for our nanoparticles for biomedical applications work.
  • Yes, but please also see comments below.
  • We would like to be able to continue the successful collaboration that we have with superSTEM.
  • Recent upgrades to the microscope (EES acquisition) have made further future experiments highly attractive.
  • We currently have a proposal into to SuperStem and plan to incorporate into our research
  • This facility will be beneficial to get high resolution images and to collect useful EELS data.
  • Depending on where my research takes me in the future I hope I will be able to use SuperSTEM again.
  • I have to reach conclusions from visit 1 before I feel I can plan future use. But if things go well, I would certainly look forward to future use.
  • No concrete plans yet.
  • While I will not be in a position to directly put work through in the near future, I will continue to encourage other users in other departments to use the facility whenever appropriate.

Have you plans to make use of the new high energy resolution SuperSTEM3 instrument for band gaps measurements, surface plasmon resonance studies and vibrational (phonon) spectroscopy?

yes 37 57%
no 29 45%

3) Comments regarding plans for using SuperSTEM3

  • Not at this moment in time however i am unsure of all SuperSTEM3's capabilities.
  • And it may that one conclusion is that higher energy resolution would bring big benefits, ie visit to superSTEM3 might be planned
  • There are plans for band gap measurements in semiconductors and functional oxides, as well as vibrational spectroscopy in glasses. Colleagues are talking about surface plasmon spectroscopy studies and may also be interested in doing this on SuperSTEM3.
  • I have plans to make use of the the heating and biasing stage for in-situ heating and electrochemical experiments.
  • measurement of the bandgap could be an opportunity to come back
  • Band gap measurements would certainly benefit a lot from the unique energy resolution. Comparison with existing data, recorded at lower energy resolution, will be very interesting.
  • Very definitely, this is the way to go for many material systems!
  • SuperSTEM3 could be useful for bandgap measurements of my materials (solar cells, typical band gap 1.4-1.5 eV). However, I am not sure if the kV needs to be significantly lower than that currently available (80 kV?) to minimise Cerenkov radiation artefacts.
  • band gap studies would be very useful, and increasingly important for device interfaces in, for example, new types of solar cell
  • no current plans but maybe n 2015-16
  • not yet in my plans
  • I don't have any well defined plans to use SuperSTEM3, but the announced capacities of the new microscope seems to be very interesting.
  • I would like to learn more about this instrument, since these capabilities may apply to our future studies.
  • Yes, I am very much interested to explore the high resolution EELS in low loss region, ( e.g for plasmonic device structures)
  • The research of plasmonic properties of ultra small metal nanoparticles can be raised to an unprecedented level. It is also very interesting to explore the band gaps of quantum wells and quantum dots at an atomic level.
  • plasmonics and localised bandgap studies of 2-D materials (graphene and TMDCs), if possible exploring vibrational modes also.
  • We might want to use the machine for high-speed EELS spectrum imaging.
  • Again, not myself directly, but other users in my department and other departments could beneift from this extra capability and I will encourage them to use the facility when I get the opportunity.
  • Not yet, but depending on my future work the high resolution EELS may be beneficial.
  • We work on CdTe films, which would find SuperSTEM3 useful.
  • I am working with new semiconducting materials whose band-gaps have never been studied in the past. This microscope will enable me to perform band gap studies in the future.
  • These plans are part of my recently awarded EPSRC early career fellowship.
  • I am particularly interested in phonon spectroscopy which will provide insight into the cooling mechanisms of hot carriers in colloidal quantum dots
  • I work on CIGSe thin film solar cells. The band gap of this material varies between 1.0eV and 1.7 eV, which means we need high energy resolution.
  • Would certainly like more details about this.
  • This will be fantastic to use, when will become operational
  • We have plans in place to use the vibrational spectroscopy for better understanding of dielectric loss mechanism in microwave dielectrics and band gap study to develop high efficiency thermoelectrics.
  • The new capabilities are extermely important for our work which involves new materials at the nanoscale where we can tune band-gaps by composition, the ability to determine band gap using this technique will be invaluable. Equally the surface plasmon resonance and vibrational(phonon) spectroscopy capability is of interest for characterisation of metal semiconductor heterostructres
  • Our interest is in plasmon resonance in SERS substrates and phonon spectroscopy in thermoelectric materials.
  • I don't have plans to make this kind of measurements but I know people from my university who would be delighted to make it.

4) Are you supportive of the long-term support of this EPSRC mid-range facility, from 2016 for at least a period of 5 years?

yes 64 98%
no 2 3%

Comments regarding long-term support:

  • In my opinion, SuperSTEM plays an important role in the research landscape of the UK regarding high resolution STEM and enables users to come from outside to access world class facilities, supported by experts in the field.
  • The facility has help us to be established as one of the leading electroceramics groups in the world with many scientific publications and presentations in international conferences.
  • The worth of this facility has already been proved over the last decade and there will be a continuing need for this kind of facility in the long term.
  • I believe that SuperSTEM is an invaluable facility that provides state of the art atomic resolution microscopy and spectroscopy, tools that are must for nanofield research.
  • The level of involvement of this facility in work being performed across the UK and internationally make SuperSTEM an essential part of the national microscopy infrastructure. This is made clear by the level of involvement shown at IMC2014 and MMC 2014
  • This facility is key for enabling access to high end microscopy and spectroscopy techniques in the UK. No other facility provides the open access, fantastic instruments and capable staff.
  • This facility is essential for universities that don't have access to aberration-corrected microscopes and its continued support should always be supported.
  • It is essential that the UK has this facility.
  • Yes, as already mentioned, the SuperSTEM is a germ of the EPSRC. Its unparalleled research capabilities, supportive staff, and proven track record of high-impact science warrant its continued funding.
  • I can think of absolutely no reason to disband this facility, especially with new top-end equipment arriving.
  • The long-term support from 2016 will enhance the world-class standing of the UK SuperSTEM in terms of having the best research facility and maintaining a group of high-quality on-site support staff. This will provide a central accessible EM facility for the UK users, which will also be beneficial to users from the rest of the world.
  • I strongly believe that SuperSTEM provide unique opportunity for atomic scale imaging and spectroscopy that is beyond what standard facilities are able to offer within UK universities and worldwide, hence it is very important for the health of top research in UK SuperSTEM faculty to be supported on long term.
  • An aberration corrected facility is extremely useful for smaller universities such as mine, where such high end instruments are simply not cost effective. However, there are now many aberration corrected instruments available, both in the UK and Europe (through ESTEEM), and the long term sustainability is perhaps better served by shifting the emphasis to new microscopies, while also providing some amount of user service. The new SuperSTEM3 is a step in the right direction, as is the 'merger' with other facilities from the consortium.
  • This facility is world class and is recognised as such by the scientific community and its continued funding is imperative to maintain the competitive advantage that SUPERSTEM has over competing facilities in US, Japan etc- that is state of the art equipment matched by state of the art expertise-
  • Entirely appropriate facility for our long-term research strategy.
  • it will be an unique facility
  • I am likely to benefit from such support for the forseeable future
  • I'm sure it's worth to support this project which helps to achieve targets for many researchers.
  • Important strategic capability provided by an excellent team for a variety of fields.
  • UK requires such a facility to maintain international competitiveness.
  • very important to continue support of SSTEM, as this is the only Nationality Facility of its kind. There might be a possibility of extending this within a European Framework; it would complement other facilities, especially with the arrival of SSTEM3.
  • 100% supportive! It's not only expensive to buy and run these facilities. More difficult to buy and accumulate is the expertise over the yeras.
  • absolutely, should be continued and fully supported

5) Would you appreciate advanced sample preparation capability for ultimate STEM data acquisition?

yes 59 91%
no 6 9%

Comments regarding advanced sample preparation capabilities:

  • Essential
  • I personally have never needed it but I could imagine that a low kV ion polisher could be good for final thinning to remove amorphous layers for ion polished samples.
  • Not relevant to my resrearch
  • Many investigations are limited currently by sample-related issues. Very high-end preparation is currently unavailable to most UK scientists, and this is a restriction on the effectiveness of SuperSTEM. This will require significant extra investment in both capital equipment, and in the staffing to provide this extra capability.
  • The facility needs dedicated team for the advanced sample preparation capability then.
  • The sample preparation is a very important point in STEM and the microscope becoming more and more powerfull it turns out that the specimen preparation is a key factor to achieve nice experiment. As not every SuperSTEM user can access to the hgih end facilities required to prepare very good specimen, this can be limiting the quality of the experiment. As it has been demonstrated in a scientific publication that a high end and well aligned Focused Ion Beam (FIB) operated by high skill user can provide very specimen, it should worst considering having a FIB at SuperSTEM.
  • Sometimes, a final clean or polished is required.
  • Makes sense to have those familar with the instrument to help prepare samples to obtain best results possible.
  • This would always be helpful and would be appreciated, however I am not sure this would be the best use of resources when sample preparation is time consuming and sample dependent. I suspect this is a job best left to PI's and students to co-ordinate elsewhere.
  • I've not personally needed it, but I think it could be useful for others
  • Yes, this is the main roadblock to use at the moment.
  • There are times when your sample prep wasn't up to snuff when put in the scope. Being able to react to that situation right there would be excellent.
  • One of the biggest challenges in transmission electron microscopy is sample preparation. To date we have typically prepared most of our samples in-house and mailed them to the SuperSTEM, where further preparation is conducted. However, to have the capability to prepare samples on-site from start to finish, using advanced focused ion beam and ion milling instruments, would be a tremendous benefit. Not only would this expedite the experimental process, it would also ensure that time is not wasted imaging poor samples, improving the overall workflow.
  • Sample cleaning and preparation can be a particular challenge for colloidal dots
  • This might be useful in a handful of cases for me, but not essential.
  • Most nanowork requires a minimum of sample prep as synthesises however we are also interested in their behaviour as layers in devices that would require FIB cross-section and subsequent imaging
  • This does not apply to my nanowires which are already small enough. The sample cleaning that was provided (gentle 100degree bake) was great.
  • Need high end capability not readily accessible in individual institutions plus sample finishing
  • The best final thinning and sample cleaning equipments are indispensable to achieve the best imaging conditions.
  • Fine quality samples take time and patience to prepare and finilise. It's about knowing the specimen and the equipment used.
  • I've found that all the informations on the website about sample preparation were clear and very useful however it would be great to have an opportunity to prepare fresh samples just before analysis. It will be a big advantage for them and I think this idea is excellent.
  • It is always helpful to provide possibilities for specimen preparation also on-site at SuperSTEM; saves a lot of time!
  • This is always a challenge for us to match up the sample preparation to the requirements to get the best out of SuperSTEM. We have limited capabilities within our department.
  • it is not mandatory but could be appreciated for all of them does't have proper preparation tools
  • Advanced specimen preparation at SuperSTEM would enable better output from SuperSTEM facility both in quality and quantity. Moreover it would enable access to research groups that do not have expertise and/or lab infrastructure in electron microscopy.
  • Not really helpful given the nature of our samples.
  • An on-site FIB would be very beneficial. As would a glove box for storage of air-sensitive samples.
  • My samples, being ferritic steel, are better suited to electropolishing and extraction replication. I am not sure what can be offered in this area of sample prep. but would welcome an advice.
  • sample preparation discussions are extremely valuable but being able to test the sample preparation on site would be even better as ultimately most measurements fail because of sample rep issues
  • I believe it is better that the SuperSTEM staff focuses on carry out measurements rather than spend time with the lengthy process of sample preparation. Optimization is very time consuming and depends on the material at hand. I prefer to make sure that the sample is good and then visit the facilities at SuperSTEM.
  • Plasma cleaning and precision ion milling would both be useful
  • It depends on the progress in our projects. Up to know we have worked with powder samples but in future this may change
  • Dual beam FIB would be very helpful, since not every customer has one, and the SSTEM staff know best, what is required of a sample in terms of features of interest and their position/cleanliness/thinness

6) Should the facility provide a state-of-the-art data processing capability?

yes 62 95%
no 4 6%

Comments regarding state-of-the-art data processing capabiltiies:

  • Comparing experimental STEM images to multislice calculations is often essential to quantitatively analyze samples. While the staff have been excellent in regards to helping users work with such programs, these simulations can still be quite computing-intensive. Thus there is a definite need for remote data processing on high-end clusters that would facilitate this process.
  • This would be useful for the in-house research and user may be able to make use of it during their visits.
  • It is best to have a central computing server at the SuperSTEM, which users can also remotely log into for data analysis and interpretation. This will help users to quickly process the data, which is sometimes not straightforward due to the unavailability of some softwares within their own research institutions.
  • Some tools (specifically the MSA plugin) are essential for getting the most out of the data. Having access to this and other things would be very useful for many people.
  • I relearned the lesson from the times I was on the staff myself at a user centre (NCEM, USA), and hosting a access scheme node (EPSRC TEM at Oxford). That lesson is to encourage visitors to stay not only for the instrument time and data acquisition, but also for computer time and data interpretation. Back at one's desk, it suddenly becomes harder to find time to devote to the task, and to find answers to the many questions. Perhaps then the yes answer to this question would mean not only desk and computer, but also staff for further instruction and advice.
  • Rather vague but sounds like a good thing to have.
  • Always important
  • would be very helpful for most customers, although not essential for all of them
  • Not all the users know how to do the complicated data processing. It will be great if the facility can provide data processing capability.
  • Always important if one wants to check whether a measurement was successful or not.
  • One issue is access to the same software on leaving Daresbury
  • Most users going to SuperSTEM should have basic data process capabilities at home. However, some modelling programe may not be available. Then most users need training about how to apply the programe to aid data interpretation.
  • Yes, I believe that this goes together with the measurements. Even the best data need to be properly analyzed, and I imagine that often such software tools are not available at the places users come from.
  • Access to PCA codes and local scripting/utilities (for DigitalMicrograph, plus crystal structure data) would be very useful.
  • Essential.
  • Software licenses are expensive. If users do their post-microscopy analysis with the experts at SuperSTEM, they might benefit more than if done at their home institution.
  • Probably, but I would need more information to comment in detail
  • Such data acquistion requires experienced know-how to interpret results. This applies to all state of the art techniques.
  • Users might not have the software and the knowledge about how to process the data. it would be very helpful if there are some computers in the SSTEM centre for users to use and learn to process the data.
  • Data processing is essential to getting the most out of the experiments at SuperSTEM. Resourcing this properly would have staffing implications, and would expand the budget. This would need agreement from EPSRC.
  • This would be useful but if it hinders access I would prefer to analyse the data myself
  • It will greatly speed up the publications.
  • Data processing facilities across UK students are very varied. Having a central (high spec.) facility would be very advantageous.
  • For the wider community rather than our current activity.
  • I don't have a clear opinion about that but I believe that such a great instrument should have access to the highest quality processing unit.
  • I am not sure what is meant by state-of-the-art data processing but if it is data mining of spectrum images, then I think most groups already have this capability. There might however be a case to provide PCA software.
  • This would probably help move the analysis on faster than within a university.

7) Should the facility provide state-of-the-art EELS interpretation capability in support of the enhanced

performance of the SuperSTEM 3 instrument?

yes 63 97%
no 2 3%

Comments regarding state-of-the-art EELS interpretation capabilities:

  • Yes, I believe that such a great instrument as the SuperSTEM 3 should provide wide spectrum of analysis.
  • State-of-the-art EELS interpretation capabilities will be extremely important, particularly for the EELS data obtained by the SuperSTEM3 containing a huge amount of new information which are not easily accessible before.
  • This is essential. There are some capabilities available by collaboration with key academics at UK universities (e,g. at Oxford and Leeds), but a dedicated person to work in this role is not currently funded or envisaged in the current funding. It would be ideal to expand the budget to cover this.
  • This wouldbe useful but not essential
  • Would like more info on this instrument but yes, always needs internal expertise for data interpretation.
  • At least some guidence and references.
  • Yes but this might involve a different set of skills and postdocs, since the simulations can often be complex (e.g. DFT phonon calculations, Maxwell's equations).
  • there are still questions about the Physics involved in the phenomena that SSTEM3 would be able to assess/ measure. In terms of electron-sample interaction there are (genuinely) many unknowns. It is of great scientific interest to get to the bottom of these phenomena/ interactions. It is therefore of paramount importance to support SSTEM3 by state-of-the-art data interpretation; and not only this, a research project on this in its own right, driven by the consortium, should be set up (funding applied for) at SSTEM. Even better, this could be driven within a European framework (e.g., H2020 FET-calls)
  • The ability to map complex nanstructures over1-2 atomic planes by EELS is critically important for understanding of interfacial abruptness and composition. A major area of interest in nanostructures is to understand how dopants incorporate (surface or bulk) and state of the art EELS interpretation allows the idenficiation of such atoms and their location which is necessary for better understanding their properties for subsequent device application.
  • We usually have to take several trips back to the staff at SuperSTEM to help us with this anyway so this would be an added bonus.
  • The cost-benefit analysis is likely to be better with this support.
  • Always important if one wants to check whether a measurement was successful or not.
  • Not all the users have experience doing the EELs interpretation and a lot of time has been wasted finding way to do the right interpretation. If there is an expert to help to interpret the EELs data, it will definitely speed the research progress.
  • This could be delivered either on specific data or more through an enablement via training sessions. But it seems a waste to provide world leading data without that being extracted at the highest possible level.
  • Yes, because low loss EELS in particular does seem to be hard to interpret
  • It is clearly important that the local team can provide full support to get the maximum amount of data out of hte new capabilities of the instrument.
  • Expert support provided to users would enable more rapid solution of problems in science.
  • Exploring new areas in EELS will required a lot of work for the data analysis, that could be supported by SuperSTEM.
  • I do not have any EELS expertise so would benefit from support in intepretation
  • with 9 meV of energy resolution a new era is coming, than new power toward eels interpretation is a must
  • This is too complex for the various aspects that would need to be addressed (plasmons vs. band gaps vs. phonons etc.)
  • It will greatly speed up the publications.
  • Much of our work has involved EELS mapping of interfacial phases, charge-transfer screening, and localized strain effects. EELS provides information about light elements and unparalleled insight into local bonding, orbital occupation, and more. However, as someone who has just recently entered the field, the analysis and interpretation of EELS data is very challenging. Hands-on guidance would be extremely beneficial to us.
  • It sounds useful.