scanning tunneling microscope podcasts

This STM is so simple that we use it in UVA classes. But it also earned two physicists the Nobel Prize in 1986.

Scanning Tunneling Microscope - How Nanoscientists see Atoms

Play Episode Listen Later Jul 24, 2017 0:13

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This STM is so simple that we use it in UVA classes. But it also earned two physicists the Nobel Prize in 1986.

Scanning Tunneling Microscope - How Nanoscientists see Atoms

Play Episode Listen Later Jul 24, 2017 0:13

simple physics classes nobel prize earned electronics physicists nanotechnology science education stm university of virginia nanoscience 3d animation microelectronics john c. bean uva virtual lab scanning tunneling microscope

It's done by ratcheting this cylinder in until an electron current is sensed.

Scanning Tunneling Microscope - How Nanoscientists see Atoms

Play Episode Listen Later Jul 24, 2017 0:31

current physics electronics nanotechnology electron science education stm cylinder university of virginia nanoscience 3d animation microelectronics john c. bean uva virtual lab scanning tunneling microscope

But how do we first position the probe only a nanometer or so from the sample surface?

Scanning Tunneling Microscope - How Nanoscientists see Atoms

Play Episode Listen Later Jul 24, 2017 0:11

physics surface probe electronics nanotechnology science education stm university of virginia nanoscience 3d animation microelectronics first position nanometer john c. bean uva virtual lab scanning tunneling microscope

The voltage to the back crystal determines pixel color. Voltages on the other crystals move the probe and pixels side-to-side and up-and-down.

Scanning Tunneling Microscope - How Nanoscientists see Atoms

Play Episode Listen Later Jul 24, 2017 0:30

color physics crystals probe electronics determines pixels nanotechnology voltage science education stm university of virginia nanoscience 3d animation microelectronics side to side john c. bean uva virtual lab scanning tunneling microscope

Let's see how these work together to create an atomic scale map of the sample surface.

Scanning Tunneling Microscope - How Nanoscientists see Atoms

Play Episode Listen Later Jul 24, 2017 0:11

scale physics surface atomic work together electronics nanotechnology science education stm university of virginia nanoscience 3d animation microelectronics john c. bean uva virtual lab scanning tunneling microscope

A feedback loop holds the electron current constant by keeping the distance from probe to sample constant.

Scanning Tunneling Microscope - How Nanoscientists see Atoms

Play Episode Listen Later Jul 24, 2017 0:10

current distance physics constant holds probe electronics nanotechnology feedback loops electron science education stm university of virginia nanoscience 3d animation microelectronics john c. bean uva virtual lab scanning tunneling microscope

A voltage induces electrons to jump from the probe's tip to the sample atoms.

Scanning Tunneling Microscope - How Nanoscientists see Atoms

Play Episode Listen Later Jul 24, 2017 0:16

jump physics electronics atoms nanotechnology voltage science education stm electrons university of virginia nanoscience 3d animation microelectronics john c. bean uva virtual lab scanning tunneling microscope

The heart of the STM is an atomically sharp probe.

Scanning Tunneling Microscope - How Nanoscientists see Atoms

Play Episode Listen Later Jul 24, 2017 0:15

physics sharp probe electronics nanotechnology science education stm university of virginia nanoscience 3d animation microelectronics john c. bean uva virtual lab scanning tunneling microscope

To see how a Nanosurf easyScan STM works, let's take it apart in virtual reality.

Scanning Tunneling Microscope - How Nanoscientists see Atoms

Play Episode Listen Later Jul 24, 2017 0:06

physics virtual reality electronics nanotechnology science education stm let's take university of virginia nanoscience 3d animation microelectronics john c. bean uva virtual lab scanning tunneling microscope

Scanning tunneling microscopes (STMs) allow nanoscientists to see individual atoms.

Scanning Tunneling Microscope - How Nanoscientists see Atoms

Play Episode Listen Later Jul 24, 2017 0:09

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It's done by ratcheting this cylinder in until an electron current is sensed.

Scanning Tunneling Microscope - How Nanoscientists see Atoms

Play Episode Listen Later Jul 24, 2017 0:31

current physics electronics nanotechnology electron science education stm cylinder university of virginia nanoscience 3d animation microelectronics john c. bean uva virtual lab scanning tunneling microscope

But how can it move the probe over these tiny nanometer distances?

Scanning Tunneling Microscope - How Nanoscientists see Atoms

Play Episode Listen Later Jul 24, 2017 0:12

physics probe electronics nanotechnology science education distances stm university of virginia nanoscience 3d animation microelectronics nanometer john c. bean uva virtual lab scanning tunneling microscope

Scanning tunneling microscopes (STMs) allow nanoscientists to see individual atoms.

Scanning Tunneling Microscope - How Nanoscientists see Atoms

Play Episode Listen Later Jul 24, 2017 0:09

individual physics electronics microscopes scanning atoms nanotechnology science education stm university of virginia tunneling nanoscience 3d animation microelectronics stms john c. bean uva virtual lab scanning tunneling microscope

The voltage to the back crystal determines pixel color. Voltages on the other crystals move the probe and pixels side-to-side and up-and-down.

Scanning Tunneling Microscope - How Nanoscientists see Atoms

Play Episode Listen Later Jul 24, 2017 0:30

color physics crystals probe electronics determines pixels nanotechnology voltage science education stm university of virginia nanoscience 3d animation microelectronics side to side john c. bean uva virtual lab scanning tunneling microscope

Let's see how these work together to create an atomic scale map of the sample surface.

Scanning Tunneling Microscope - How Nanoscientists see Atoms

Play Episode Listen Later Jul 24, 2017 0:11

scale physics surface atomic work together electronics nanotechnology science education stm university of virginia nanoscience 3d animation microelectronics john c. bean uva virtual lab scanning tunneling microscope

A third crystal moves it up and down.

Scanning Tunneling Microscope - How Nanoscientists see Atoms

Play Episode Listen Later Jul 24, 2017 0:15

physics electronics nanotechnology science education stm university of virginia nanoscience 3d animation microelectronics john c. bean uva virtual lab scanning tunneling microscope

Another crystal moves it side to side.

Scanning Tunneling Microscope - How Nanoscientists see Atoms

Play Episode Listen Later Jul 24, 2017 0:15

physics electronics nanotechnology science education stm university of virginia nanoscience 3d animation microelectronics side to side john c. bean uva virtual lab scanning tunneling microscope

Voltages to a piezoelectric crystal move the probe in and out.

Scanning Tunneling Microscope - How Nanoscientists see Atoms

Play Episode Listen Later Jul 24, 2017 0:23

physics probe electronics nanotechnology science education stm university of virginia nanoscience 3d animation microelectronics piezoelectric john c. bean uva virtual lab scanning tunneling microscope

But how do we first position the probe only a nanometer or so from the sample surface?

Scanning Tunneling Microscope - How Nanoscientists see Atoms

Play Episode Listen Later Jul 24, 2017 0:11

physics surface probe electronics nanotechnology science education stm university of virginia nanoscience 3d animation microelectronics first position nanometer john c. bean uva virtual lab scanning tunneling microscope

A feedback loop holds the electron current constant by keeping the distance from probe to sample constant.

Scanning Tunneling Microscope - How Nanoscientists see Atoms

Play Episode Listen Later Jul 24, 2017 0:10

current distance physics constant holds probe electronics nanotechnology feedback loops electron science education stm university of virginia nanoscience 3d animation microelectronics john c. bean uva virtual lab scanning tunneling microscope

A voltage induces electrons to jump from the probe's tip to the sample atoms.

Scanning Tunneling Microscope - How Nanoscientists see Atoms

Play Episode Listen Later Jul 24, 2017 0:16

jump physics electronics atoms nanotechnology voltage science education stm electrons university of virginia nanoscience 3d animation microelectronics john c. bean uva virtual lab scanning tunneling microscope

The heart of the STM is an atomically sharp probe.

Scanning Tunneling Microscope - How Nanoscientists see Atoms

Play Episode Listen Later Jul 24, 2017 0:15

physics sharp probe electronics nanotechnology science education stm university of virginia nanoscience 3d animation microelectronics john c. bean uva virtual lab scanning tunneling microscope

To see how a Nanosurf easyScan STM works, let's take it apart in virtual reality.

Scanning Tunneling Microscope - How Nanoscientists see Atoms

Play Episode Listen Later Jul 24, 2017 0:06

physics virtual reality electronics nanotechnology science education stm let's take university of virginia nanoscience 3d animation microelectronics john c. bean uva virtual lab scanning tunneling microscope

Types of tip

Engineering small worlds: micro and nano technologies - for iPad/Mac/PC

Play Episode Listen Later Jan 22, 2009 3:25

A wide range of applications: companies that specialise in scanning probe microscopy use different types of tip to create atomic resolution images.

types computers ibm stylus microscopy atomic force electrical field scanning tunneling microscope

Transcript -- Types of tip

Engineering small worlds: micro and nano technologies - for iPod/iPhone

Play Episode Listen Later Jan 22, 2009

Transcript -- A wide range of applications: companies that specialise in scanning probe microscopy use different types of tip to create atomic resolution images.

types computers ibm stylus microscopy atomic force electrical field scanning tunneling microscope

Transcript -- Types of tip

Engineering small worlds: micro and nano technologies - for iPad/Mac/PC

Play Episode Listen Later Jan 22, 2009

Transcript -- A wide range of applications: companies that specialise in scanning probe microscopy use different types of tip to create atomic resolution images.

types computers ibm stylus microscopy atomic force electrical field scanning tunneling microscope

Types of tip

Engineering small worlds: micro and nano technologies - for iPod/iPhone

Play Episode Listen Later Jan 22, 2009 3:25

A wide range of applications: companies that specialise in scanning probe microscopy use different types of tip to create atomic resolution images.

types computers ibm stylus microscopy atomic force electrical field scanning tunneling microscope

This podcast is drawn from the Virtual Lab presentations of WeCanFigureThisOut.org. The copyrighted material of this site was developed under funding from National Science Foundation CCLI, NIRT, MRSEC and NUE programs. This project is led by John C. Be

Scanning Tunneling Microscope - How Nanoscientists see Atoms

Play Episode Listen Later Dec 31, 1969 0:33

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Podcasts about scanning tunneling microscope

Best podcasts about scanning tunneling microscope

Scanning Tunneling Microscope - How Nanoscientists see Atoms

Engineering small worlds: micro and nano technologies - for iPod/iPhone

Latest podcast episodes about scanning tunneling microscope

This STM is so simple that we use it in UVA classes. But it also earned two physicists the Nobel Prize in 1986.

This STM is so simple that we use it in UVA classes. But it also earned two physicists the Nobel Prize in 1986.

It's done by ratcheting this cylinder in until an electron current is sensed.

But how do we first position the probe only a nanometer or so from the sample surface?

The voltage to the back crystal determines pixel color. Voltages on the other crystals move the probe and pixels side-to-side and up-and-down.

Let's see how these work together to create an atomic scale map of the sample surface.

A third crystal moves it up and down.

Another crystal moves it side to side.

Voltages to a piezoelectric crystal move the probe in and out.

But how can it move the probe over these tiny nanometer distances?

A feedback loop holds the electron current constant by keeping the distance from probe to sample constant.

A voltage induces electrons to jump from the probe's tip to the sample atoms.

The heart of the STM is an atomically sharp probe.

To see how a Nanosurf easyScan STM works, let's take it apart in virtual reality.

Scanning tunneling microscopes (STMs) allow nanoscientists to see individual atoms.

It's done by ratcheting this cylinder in until an electron current is sensed.

But how can it move the probe over these tiny nanometer distances?

Scanning tunneling microscopes (STMs) allow nanoscientists to see individual atoms.

The voltage to the back crystal determines pixel color. Voltages on the other crystals move the probe and pixels side-to-side and up-and-down.

Let's see how these work together to create an atomic scale map of the sample surface.

A third crystal moves it up and down.

Another crystal moves it side to side.

Voltages to a piezoelectric crystal move the probe in and out.

But how do we first position the probe only a nanometer or so from the sample surface?

A feedback loop holds the electron current constant by keeping the distance from probe to sample constant.

A voltage induces electrons to jump from the probe's tip to the sample atoms.

The heart of the STM is an atomically sharp probe.

To see how a Nanosurf easyScan STM works, let's take it apart in virtual reality.

Types of tip

Transcript -- Types of tip

Transcript -- Types of tip

Types of tip

This podcast is drawn from the Virtual Lab presentations of WeCanFigureThisOut.org. The copyrighted material of this site was developed under funding from National Science Foundation CCLI, NIRT, MRSEC and NUE programs. This project is led by John C. Be

Podcasts about scanning tunneling microscope

Best podcasts about scanning tunneling microscope

Scanning Tunneling Microscope - How Nanoscientists see Atoms

Engineering small worlds: micro and nano technologies - for iPod/iPhone

Latest news about scanning tunneling microscope

Latest podcast episodes about scanning tunneling microscope

This STM is so simple that we use it in UVA classes. But it also earned two physicists the Nobel Prize in 1986.

This STM is so simple that we use it in UVA classes. But it also earned two physicists the Nobel Prize in 1986.

It's done by ratcheting this cylinder in until an electron current is sensed.

But how do we first position the probe only a nanometer or so from the sample surface?

The voltage to the back crystal determines pixel color. Voltages on the other crystals move the probe and pixels side-to-side and up-and-down.

Let's see how these work together to create an atomic scale map of the sample surface.

A third crystal moves it up and down.

Another crystal moves it side to side.

Voltages to a piezoelectric crystal move the probe in and out.

But how can it move the probe over these tiny nanometer distances?

A feedback loop holds the electron current constant by keeping the distance from probe to sample constant.

A voltage induces electrons to jump from the probe's tip to the sample atoms.

The heart of the STM is an atomically sharp probe.

To see how a Nanosurf easyScan STM works, let's take it apart in virtual reality.

Scanning tunneling microscopes (STMs) allow nanoscientists to see individual atoms.

It's done by ratcheting this cylinder in until an electron current is sensed.

But how can it move the probe over these tiny nanometer distances?

Scanning tunneling microscopes (STMs) allow nanoscientists to see individual atoms.

The voltage to the back crystal determines pixel color. Voltages on the other crystals move the probe and pixels side-to-side and up-and-down.

Let's see how these work together to create an atomic scale map of the sample surface.

A third crystal moves it up and down.

Another crystal moves it side to side.

Voltages to a piezoelectric crystal move the probe in and out.

But how do we first position the probe only a nanometer or so from the sample surface?

A feedback loop holds the electron current constant by keeping the distance from probe to sample constant.

A voltage induces electrons to jump from the probe's tip to the sample atoms.

The heart of the STM is an atomically sharp probe.

To see how a Nanosurf easyScan STM works, let's take it apart in virtual reality.

Types of tip

Transcript -- Types of tip

Transcript -- Types of tip

Types of tip

This podcast is drawn from the Virtual Lab presentations of WeCanFigureThisOut.org. The copyrighted material of this site was developed under funding from National Science Foundation CCLI, NIRT, MRSEC and NUE programs. This project is led by John C. Be