Electron Beam Induced Current (EBIC)

Electron Beam Induced Current (EBIC) is a semiconductor analysis technique utilizing SEM or STEM to create electron-hole pairs and measuring the variable induced currents (EBIC) at p-n or Schottky junctions, or defect locations. Infinita Lab offers this test to clients in the USA and across the world, utilizing its large laboratory network.

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Overview
Scope, Applications, and Benefits
Test Process
Specifications
Instrumentation
Results and Deliverables

Overview

Electron Beam Induced Current is an advanced characterization technique used to study electrical activity and defects in semiconductor materials. It works by scanning a focused electron beam over a sample and measuring the induced current generated within the material.

This technique is widely used in the semiconductor, electronics, and materials science industry to analyze junction properties, carrier recombination, and defect distribution in devices such as diodes, transistors, and solar cells. EBIC provides high-resolution insight into electrical behavior at the micro and nanoscale, making it essential for failure analysis and device optimization.

Scope, Applications, and Benefits

Scope

EBIC analysis evaluates electrical response and defect activity in semiconductor materials using electron beam interaction.

It helps identify recombination sites, junction behavior, and material inconsistencies.

Semiconductor defect characterization
Junction property evaluation
Carrier recombination analysis
Electrical activity mapping
Failure analysis
Device performance assessment
Quality control and validation

Applications

Semiconductor device analysis
Solar cell characterization
Integrated circuit inspection
Failure analysis of electronic components
Research and material development

Benefits

High-resolution electrical mapping
Detects micro and nano-scale defects
Improves device performance
Supports failure analysis
Enhances material quality
Enables precise diagnostics
Aids advanced research

Test Process

Sample Preparation

Semiconductor sample is prepared with electrical contacts for current collection.

Electron Beam Scanning

Focused electron beam scans the sample surface in a controlled pattern.

Current Generation

Electron interaction generates charge carriers collected as induced current.

Mapping and Analysis

Current signals are mapped to identify defects and junction behavior.

Technical Specifications

Parameter	Details
Material Type	Semiconductor materials and devices.
Measured Parameter	Induced current signal.
Resolution	Micro to nanoscale spatial resolution.
Operating Environment	Vacuum conditions in SEM chamber.
Signal Detection	Sensitive current amplifiers.
Temperature Condition	Ambient or controlled temperature.

Instrumentation Used for Testing

Scanning Electron Microscope (SEM)
EBIC detector system
Current amplifier
Sample stage with electrical contacts
Data acquisition system
Vacuum chamber

Results and Deliverables

EBIC current maps
Defect location identification
Junction behavior analysis
Carrier recombination data
Device performance insights
Test documentation
Final technical report

Why Choose Infinita Lab for EBIC?

With Infinita Lab (www.infinitalab.com), you are guaranteed a Nationwide Network of Accredited Laboratories spread across the USA, the best Consultants from around the world, Convenient Sample Pick-Up and Delivery, and Fast Turnaround Time.

Our team understands the stakes and subtleties of every test. Whether you’re validating a new Product, de-risking a prototype, or navigating complex compliance requirements, our specialists guide the process with rigor and clarity.

Looking for a trusted partner to achieve your research goals? Schedule a meeting with us, send us a request, or call us at (888) 878-3090 to learn more about our services and how we can support you. Request a Quote

Frequently Asked Questions

EBIC is a technique that uses an electron beam to generate and measure current in semiconductor materials, helping analyze electrical activity, defects, and junction properties in electronic devices and materials at very high spatial resolution.

A focused electron beam scans the sample, generating electron-hole pairs that produce a measurable current. Variations in this current reveal defects, recombination sites, and electrical behavior across the material.

It helps identify electrically active defects that may not be visible through standard imaging, enabling accurate root cause analysis of device failures.

EBIC provides both spatial imaging and electrical information simultaneously, offering deeper insights into material behavior compared to purely structural imaging methods.

Factors include beam energy, sample preparation, electrical contact quality, and material properties, all of which influence signal strength and accuracy.