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Park Systems is proud to present the 2021 Park AFM Certification Course.  Click below for information or register for our first two upcoming classes!

Join Park Systems' upcoming online lectures and explore Atomic Force Microscopy's working principles (AFM). The course will cover AFM operational principles through lectures and interactive demo sessions with live interaction from the attendees.



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1. How AFM Works by Ben Schoenek on April 22, 2021 at 10 AM - 12 PM PDT. Click Read more

■ Attendees will engage in a one-hour lecture on how an AFM operates. Then spend an hour in an interactive demo session practicing contact-based imaging on a Park Systems NX series AFM.

Lecture #1: How AFM Works (Two-hour session)

· What is Atomic Force Microscopy?
We will engage in a roughly one-hour lecture exploring the finer details of how an AFM operates, the components involved in its feedback mechanism, and the atomic interaction between tip and sample. Discussion and questions are welcomed.

· Interactive Demo Session One:
Lecture topics will be reinforced through demonstration and practice of Contact based imaging on a Park Systems NX series AFM. AFM operator controls are highlighted with emphasis on linking the feedback loop to changed hardware parameters.

Presenter:
Ben Schoenek is a Senior Technical Service Engineer for Park Systems, where he focuses on service and support of AFM systems for Park's research user base. He received his Master's in Physics from Auburn University, and holds a B.A. in Physics from Kenyon College.


2. Topography Modes by Ben Schoenek on April 23, 2021 at 10 AM - 12 PM PDT. Click Read more

■ Attendees will engage in a one-hour lecture on fundamental AFM operations (Contact, True Non-Contact™, Tapping, and Pinpoint™) used to acquire topography of nanoscale features with a Park Systems AFM. Then spend an hour in an interactive demo session practicing the different operating modes.

Lecture #2: How AFM Works (Two-hour session)

· How to Acquire Nanoscale Topography Using AFM
We will again engage in a roughly one-hour lecture applying the finer details of how an AFM operates to the fundamental operational modes (Contact, True Non-Contact™, Tapping, and PinPoint™) used to acquire topography of nanoscale features with a Park Systems AFM. Discussion and questions are welcomed.

· Interactive Demo Session Two:
Lecture topics will be reinforced through demonstration and practice of True Non-Contact™, Tapping, and PinPoint™ on a Park Systems NX series AFM. Each imaging mode and sample choice will demonstrate how the AFM is used to gain topographical information at the nanoscale and reinforce operator feedback control of the tip and sample atomic interaction.

Presenter:
Ben Schoenek is a Senior Technical Service Engineer for Park Systems, where he focuses on service and support of AFM systems for Park's research user base. He received his Master's in Physics from Auburn University, and holds a B.A. in Physics from Kenyon College.


3. PinPoint nanomechanical mode By Armando Melgarejo on May 25, 2021 at 10 AM - 12 PM PDT. Click Read more

Lecture #3 PinPoint Nanomechanical Mode (Two-hour session)

· Why PinPoint? And how does it work?
An approximately one-hour lecture about Pinpoint will be given. The working principle and the operation models will be discussed (Hertz, JKR and DMT). Terms like Young modulus, adhesion force, Poisson ratio, etc, will be clarified. Questions are welcomed at any time during the lecture. Introductory PinPoint Video (10 min)

· Interactive Demo Session One:
Lecture topics will be reinforced through demonstration and practice of PinPoint nanomechanical imaging on a Park Systems NX series AFM. Emphasis will be put in the different Pinpoint parameters and its effect in the young modulus calculation. PS-LDPE (Polystyrene with Low-density polyethylene) film will be used as demo sample to calculate the Young modulus. Questions are welcomed at any time during the session.

Presenter:
Armando Melgarejo is an engineer for Park Systems, where he focuses on the installation and support of AFM systems for Park’s research user base. He holds a B.S. in Biotechnology Engineering from Autonomous University of Queretaro, Mexico. During his studies, he also spent a semester doing research in nanotechnology and molecular biology at Czech Technical University in Prague, Czech Republic. Other areas of expertise include diverse characterization techniques (AFM, SEM, RAMAN and IR), genetics and molecular and cell biology.


4. Nanoindentation By Armando Melgarejo on June 23, 2021 at 10 AM - 12 PM PDT. Click Read more

Lecture #4: Nanoindentation (Two-hour session)

· Nanomechanical characterization by Indentation.
An approximately one-hour lecture about Pinpoint will be given. The working principle and the operation models will be discussed (Hertz, JKR and DMT). Terms like Young modulus, adhesion force, Poisson ratio, etc, will be clarified. Questions are welcomed at any time during the lecture. Introductory PinPoint Video (10 min)

· Interactive Demo Session One:
Interactive session will consist of demonstrating nanoindentation process (Set point & Z height). Differences in the result analysis will be explained. Demonstration sample will be a polycarbonate film. Questions are welcomed at any time during the session.

Presenter:
Armando Melgarejo is an engineer for Park Systems, where he focuses on the installation and support of AFM systems for Park’s research user base. He holds a B.S. in Biotechnology Engineering from Autonomous University of Queretaro, Mexico. During his studies, he also spent a semester doing research in nanotechnology and molecular biology at Czech Technical University in Prague, Czech Republic. Other areas of expertise include diverse characterization techniques (AFM, SEM, RAMAN and IR), genetics and molecular and cell biology.


5. Scanning Ion Conductance Microscopy and Scanning Electrochemical Cell Microscopy By Jiali Zhang on July 20, 2021 at 10 AM - 12 PM PDT. Click Read more

Lecture #5: Scanning Ion Conductance Microscopy and Scanning Electrochemical Cell Microscopy (total two-hour session)

· Lecture: Park Systems’s Advanced Techniques in Nanoelectrochemistry.
We will engage in a lecture exploring the finer details of Park’s SICM and SECCM modes, including the configurations, the principles, applications and the advantages of using pipette-based nano-electrochemical techniques such as SICM or SECCM in the electrochemical analysis. Q&A session will be followed after the lecture contents.

· Interactive Demo Session for SCM:
Lecture topics will be reinforced through demonstration Park Systems’s SICM and SECCM modes on a Park Systems NX series AFM. AFM operator will show the experiment setup including pipette and electrodes handling and preparation, hardware assembling and software operation. nanoscale topographical images in an ionic solution environment with SICM and nanoscale electroactivity mapping with SECCM modes using Park Systems’s research AFM will be demonstrated.

Presenter:
Jiali Zhang, Ph.D., is an engineer for Park Systems, where she focuses on the installation and support of AFM systems for Park’s research user base. She is also responsible for researching and writing technical papers and application notes for publication and presentation at scientific conferences. She received her Ph.D. in Analytical Chemistry from the University of California, Davis, and holds a B.S. in Applied Chemistry from Donghua University in Shanghai, China. Her expertise spans numerous microscopy techniques, and areas of study have also included biological systems and 3D printing technologies.


6. Nanolithography By Armando Melgarejo on August 25, 2021 at 10 AM - 12 PM PDT. Click Read more

Lecture #6: Nanolithography (Two-hour session)

· How to create nanometer sized structures with ease?
An approximately one-hour lecture on the different methods of nanolithography and their operation principle (Anodic oxidation, scratching by constant force and by constant depth). SmartLitho software will be introduced and explained how to use. Nanomanipulation technique will also be mentioned. Questions are welcomed at any time during the lecture. Introductory Nanolithography Video (10 min)

· Interactive Demo Session One:
Interactive session will consist of demonstrating anodic oxidation and scratching on different samples. Lithography parameters will be explained with emphasis on drawing speed, humidity, and tip spring constant. Silicon wafer with nanoparticles and polycarbonate film will be used as demonstration samples. Questions are welcomed at any time during the session.

Presenter:
Armando Melgarejo is an engineer for Park Systems, where he focuses on the installation and support of AFM systems for Park’s research user base. He holds a B.S. in Biotechnology Engineering from Autonomous University of Queretaro, Mexico. During his studies, he also spent a semester doing research in nanotechnology and molecular biology at Czech Technical University in Prague, Czech Republic. Other areas of expertise include diverse characterization techniques (AFM, SEM, RAMAN and IR), genetics and molecular and cell biology.


7. Scanning capacitance microscopy By Jiali Zhang on September 21, 2021 at 10 AM - 12 PM PDT. Click Read more

Lecture #7: SCM (Two-hour session)

· Lecture: What is Scanning Capacitance Microscopy (SCM)?
We will engage in a lecture exploring the finer details of the configuration of Park’s SCM, the principle of SCM, the theory of the SCM measurement based on the capacitance-voltage curve of material, and the applications of SCM in the analysis of dopant profile in semiconductors using a Park Systems AFM. Q&A session will be followed after the lecture contents.

· Interactive Demo Session for SCM :
Lecture topics will be reinforced through demonstration Park Systems’ Scanning SCM mode on a Park Systems NX series AFM. A metal-oxide-semiconductor sample with different dopant type and dopant level will be used. AFM operator controls lock-in amplifier settings with emphasis on how to reveal dopant types and dopant level.

Presenter:
Jiali Zhang, Ph.D., is an engineer for Park Systems, where she focuses on the installation and support of AFM systems for Park’s research user base. She is also responsible for researching and writing technical papers and application notes for publication and presentation at scientific conferences. She received her Ph.D. in Analytical Chemistry from the University of California, Davis, and holds a B.S. in Applied Chemistry from Donghua University in Shanghai, China. Her expertise spans numerous microscopy techniques, and areas of study have also included biological systems and 3D printing technologies.


8. Electrostatic modes in AFM: Potential charge mapping By Ben Schoenek on October 26, 2021 at 10 AM - 12 PM PDT. Click Read more

Lecture #8: Electrostatic modes in AFM (Two-hour session)

· Potential Charge Mapping:
Building on the basic AFM principles outlined in the first sessions, this lecture will cover the added electrostatic interaction between the sample and cantilever in potential charge mapping techniques. Discussion and questions are welcomed.

· Interactive Demo Session:
Session will consist of demonstrating potential charge mapping on a semi-fluorinated alkane sample. AFM operator controls are highlighted with emphasis on linking the feedback loop to changed parameters and how these parameters change with the added electrostatic tip sample interaction.

Presenter:
Ben Schoenek is a Senior Technical Service Engineer for Park Systems, where he focuses on service and support of AFM systems for Park's research user base. He received his Master's in Physics from Auburn University, and holds a B.A. in Physics from Kenyon College.


9. Liquid imaging By Armando Melgarejo on November 23, 2021 at 10 AM - 12 PM PDT. Click Read more

Lecture #9: Liquid Imaging (Two-hour session)

· How to do Atomic Force Microscopy in liquid conditions?
An approximately one-hour lecture on how the AFM fundamental operation modes (True Non-ContactTM, Contact, PinPoint and Tapping) work in liquid conditions. Hardware changes for an NX system will be discussed. Application cases will be discussed as well (e.g., DNA imaging, Hydrogel analysis for protein separation, fibrils imaging). Questions are welcomed at any time during the session. Introductory Liquid imaging Video (10 min) .

· Interactive Demo Session One:
Lecture topics will be reinforced through demonstration and practice of True Non-Contact™, Tapping, and PinPoint™ in liquid conditions on a Park Systems NX series AFM. Emphasis will be put in the differences between air and liquid imaging and how this affects the acquisition of topography information. Collagen fibrils will be used as demonstration sample. Questions are welcomed at any time during the session. (12:00 am -1:00 pm).

Presenter:
Armando Melgarejo is an engineer for Park Systems, where he focuses on the installation and support of AFM systems for Park’s research user base. He holds a B.S. in Biotechnology Engineering from Autonomous University of Queretaro, Mexico. During his studies, he also spent a semester doing research in nanotechnology and molecular biology at Czech Technical University in Prague, Czech Republic. Other areas of expertise include diverse characterization techniques (AFM, SEM, RAMAN and IR), genetics and molecular and cell biology.


10. Current measurement & magnetic measurement By Ben Schoenek on December 17, 2021 at 10 AM - 12 PM PDT. Click Read more

Lecture #10: Current and magnetic measurements (Two-hour session)

· Other Fundamental Electrical Modes:
With the theme of electric tip sample interactions, this lecture will cover additional interactions between the sample and cantilever. Topics include current measurement and magnetic measurement. Discussion and questions are welcomed.

· Interactive Demo Session:
For the final session, all previous lecture topics are reinforced through demonstration and practice of current measurement on a floppy disk and magnetic interactions from written data on a hard drive sample.

Presenter:
Ben Schoenek is a Senior Technical Service Engineer for Park Systems, where he focuses on service and support of AFM systems for Park's research user base. He received his Master's in Physics from Auburn University, and holds a B.A. in Physics from Kenyon College.


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