Update date: Aug 17, 2026 | 287 Pages | Report ID: M-AM-014615
Sodium Bismuth Titanate Piezoelectric Market
DMA IntelligenceSodium Bismuth Titanate Piezoelectric Industry Analysis & Growth Forecast 2033
Segments: Product Type (Ceramics, Thin Films, Single Crystals, Composites, Others), Application (Sensors, Actuators, Transducers, Energy Harvesting, Medical Devices, Others), End-Use Industry (Electronics, Automotive, Healthcare, Aerospace & Defense, Industrial, Others), By Region, And Segment Forecasts
$1.3B
Market Size, 2025
$1.4B
Market Estimate, 2026
$3.1B
Market Forecast, 2033
11.7%
CAGR, 2026–2033
Market Definiton and Strategic Context
The Sodium Bismuth Titanate Piezoelectric Market refers to the global industry engaged in the research, development, manufacturing, and application of lead-free piezoelectric materials based on sodium bismuth titanate (SBT). These advanced ceramic materials exhibit excellent piezoelectric properties, making them suitable for a wide range of applications where lead-based ceramics are being phased out due to environmental regulations and health concerns. The market encompasses various forms of SBT materials, including bulk ceramics, thin films, thick films, and nanoparticles, each tailored for specific performance requirements. Key applications span across sensors, actuators, transducers, and energy harvesting devices, driven by the increasing demand for high-performance, environmentally friendly solutions in electronics, automotive, medical, and industrial sectors. The Sodium Bismuth Titanate Piezoelectric market size was estimated at USD 1.27 billion in 2025, reflecting a significant growth outlook as industries transition towards sustainable and efficient technologies. This growth trajectory is further supported by ongoing innovations in material synthesis and processing techniques, enhancing the performance and cost-effectiveness of SBT-based devices. The market forecast indicates continued expansion, fueled by rising adoption in consumer electronics and advanced automotive systems. Industry expansion is also propelled by strategic investments in R&D and collaborative efforts to overcome existing challenges related to material stability and manufacturing scalability. This comprehensive report delves into the dynamics shaping the Sodium Bismuth Titanate Piezoelectric market, analyzing its growth drivers, restraints, opportunities, and competitive landscape to provide a holistic view of the industry's trajectory and future potential.
| Report Attribute | Details |
|---|---|
| Market size value in 2025 | USD 1.27 Billion |
| Revenue forecast in 2033 | USD 3.08 Billion |
| Growth rate | CAGR of 11.7% from 2025 to 2033 |
| Actual data | 2021 - 2024 |
| Forecast period | 2025 - 2033 |
| Quantitative units | Revenue in USD Billion and CAGR from 2025 to 2033 |
| Report coverage | Revenue forecast, company share, competitive landscape, growth factors, and trends |
| Segments covered | Product Type, Application, End-Use Industry |
| Regional scope | North America; Europe; APAC; Latin America; MEA |
| Country scope | All; All; All; All; All |
| Key companies profiled | Sparkler Ceramics Pvt. Ltd.; PI Ceramic GmbH; CTS Corporation; KEMET Corporation; Murata Manufacturing Co., Ltd.; TDK Corporation; APC International, Ltd.; Morgan Advanced Materials; TRS Technologies, Inc.; Sensor Technology Ltd.; Noliac A/S (CTS Corporation); Johnson Matthey Piezo Products GmbH; CeramTec GmbH; Piezo Kinetics, Inc.; Mad City Labs, Inc.; Piezosystem Jena GmbH; Boston Piezo-Optics Inc.; Fuji Ceramics Corporation; Sparkler Ceramics India; Innovia Materials Pvt. Ltd. |
| Customization scope | Free report customization (equivalent to 8 analysts working days) with purchase. Addition or alteration to country, regional & segment scope. |
| Pricing and purchase options | Avail customized purchase options to meet your exact research needs. Explore purchase options |
Growth Catalysts & Market Constraints
The Sodium Bismuth Titanate Piezoelectric market is experiencing robust growth driven by a confluence of technological advancements, evolving regulatory landscapes, and increasing demand for sustainable materials. The market dynamics are characterized by a significant shift towards lead-free solutions, positioning SBT as a critical material for future piezoelectric applications. Factors such as stringent environmental regulations, particularly in Europe and North America, are compelling industries to adopt eco-friendly alternatives, thereby accelerating the Sodium Bismuth Titanate Piezoelectric market size expansion. Furthermore, the continuous innovation in material science and manufacturing processes is enhancing the performance and cost-effectiveness of SBT, making it more competitive against traditional lead-based counterparts. The growth forecast for the Sodium Bismuth Titanate Piezoelectric market remains strong, fueled by its expanding utility in high-growth sectors like automotive electronics, medical devices, and advanced consumer electronics, where reliability and miniaturization are paramount. Understanding these intricate dynamics is crucial for stakeholders aiming to capitalize on the market's potential and navigate its inherent challenges.
Growth Drivers
- Growing environmental concerns and stringent regulations, especially the Restriction of Hazardous Substances (RoHS) directive, are driving the global shift from lead-based piezoelectric materials to lead-free alternatives like Sodium Bismuth Titanate. This regulatory push mandates the adoption of eco-friendly materials across various industries, significantly boosting the demand for SBT in compliant products and fostering market expansion.
- The expanding application scope of piezoelectric devices in high-growth sectors such as automotive electronics, medical devices, and industrial automation is a key driver. SBT's superior performance characteristics, including high piezoelectric coefficients and thermal stability, make it ideal for advanced sensors, actuators, and transducers required for smart systems, enhancing efficiency and reliability across these critical industries.
Restraints
- The relatively higher production costs and complex manufacturing processes associated with Sodium Bismuth Titanate materials compared to conventional lead zirconate titanate (PZT) can impede market adoption, particularly for cost-sensitive applications. Achieving consistent material quality and scaling up production efficiently requires substantial investment in specialized equipment and expertise, posing a barrier for widespread integration.
- Challenges related to the long-term stability and aging characteristics of SBT under extreme operating conditions, such as high temperatures or mechanical stress, can limit its application in certain high-reliability environments. Ensuring the durability and consistent performance of SBT-based devices over extended periods remains a critical technical hurdle that requires ongoing research and development efforts.
Opportunities
- Technological advancements in material synthesis and processing techniques, including novel doping strategies and film deposition methods, offer significant opportunities to enhance the piezoelectric performance and thermal stability of SBT. These innovations can unlock new application areas and improve the competitive edge of SBT over other lead-free alternatives, driving further market penetration and revenue growth.
- The growing trend towards miniaturization and integration of piezoelectric components in compact electronic devices, wearables, and Internet of Things (IoT) sensors presents a lucrative opportunity for SBT. Its potential for thin film and micro-electro-mechanical systems (MEMS) applications allows for the development of smaller, more efficient, and highly integrated devices, catering to evolving consumer and industrial demands.
Challenges
- The lack of standardized manufacturing protocols and quality control measures for Sodium Bismuth Titanate materials can lead to inconsistencies in product performance and reliability, hindering broader market acceptance. Establishing industry-wide standards for material composition, processing, and characterization is essential to build confidence among end-users and facilitate seamless integration into diverse applications.
- Intense competition from established lead-free piezoelectric materials, such as barium titanate (BT) and potassium sodium niobate (KNN), coupled with ongoing research into new alternatives, poses a significant challenge to SBT's market share. Differentiating SBT through superior performance, cost-effectiveness, or unique functional properties is crucial for sustained growth in a crowded and innovation-driven landscape.
Market Level Breakdown
The Sodium Bismuth Titanate Piezoelectric market segmentation by Product Type offers a granular view of the material forms driving market growth. Bulk materials, comprising the largest share, are typically used in traditional piezoelectric applications such as ultrasonic transducers and high-power actuators due to their robust mechanical properties and ease of handling. Thin films are gaining traction, particularly in micro-electro-mechanical systems (MEMS) and miniaturized devices like sensors and micro-actuators, owing to their precise deposition capabilities and compatibility with integrated circuits. Thick films bridge the gap between bulk and thin films, finding utility in applications requiring higher power output than thin films but offering better integration than bulk materials. Nanoparticles and powders represent the foundational forms, crucial for advanced material synthesis and the development of novel composites with enhanced piezoelectric properties, contributing significantly to the Sodium Bismuth Titanate Piezoelectric segmentation.
In terms of Application, the Sodium Bismuth Titanate Piezoelectric market is primarily driven by sensors, actuators, and transducers. Sensors, which detect physical parameters and convert them into electrical signals, constitute the largest application segment, finding widespread use in automotive safety systems, industrial process control, and medical diagnostics. Actuators, responsible for converting electrical energy into mechanical motion, are critical in precision positioning systems, inkjet printers, and haptic feedback devices. Transducers, which convert energy from one form to another, are essential in sonar, medical imaging, and non-destructive testing. Energy harvesting applications are emerging as a significant growth area, leveraging SBT's ability to convert ambient mechanical vibrations into electrical energy, thereby extending battery life and enabling self-powered devices.
The End-Use Industry segment highlights the diverse sectors adopting Sodium Bismuth Titanate Piezoelectric materials. Consumer electronics leverage SBT for haptic feedback in smartphones, touchscreens, and noise cancellation in headphones, driven by demand for enhanced user experience and miniaturization. The automotive industry utilizes SBT in advanced driver-assistance systems (ADAS), fuel injectors, and tire pressure monitoring systems, emphasizing reliability and performance under harsh conditions. Industrial applications include process control, robotics, and structural health monitoring, where precision and durability are paramount. In healthcare, SBT is vital for ultrasonic imaging, drug delivery systems, and surgical tools. Aerospace & defense and telecommunications also represent significant, albeit niche, markets, benefiting from SBT's high-temperature stability and reliability in demanding environments, further shaping the Sodium Bismuth Titanate Piezoelectric market outlook.
Sodium Bismuth Titanate Piezoelectric Segmentation Breakdown
- Product Type
- Ceramics
- Thin Films
- Single Crystals
- Composites
- Others
- Application
- Sensors
- Actuators
- Transducers
- Energy Harvesting
- Medical Devices
- Others
- End-Use Industry
- Electronics
- Automotive
- Healthcare
- Aerospace & Defense
- Industrial
- Others
Geographic Performance & Regional Trends
Regionally, Asia Pacific emerged as the dominant force in the Sodium Bismuth Titanate Piezoelectric market in 2025, capturing the largest share and also demonstrating the highest growth rate. This leadership is primarily attributed to the region's robust manufacturing base for consumer electronics and automotive components, particularly in countries like China, Japan, and South Korea. These nations are at the forefront of adopting advanced materials for miniaturized and high-performance devices, driven by significant investments in R&D and a supportive regulatory environment for lead-free technologies. The rapid industrialization and increasing disposable incomes in emerging economies within Asia Pacific further fuel the demand for SBT-based piezoelectric solutions. North America and Europe also hold substantial market shares, propelled by stringent environmental regulations and a strong presence of key automotive and medical device manufacturers, underscoring the global nature of the Sodium Bismuth Titanate Piezoelectric market growth.
Regional Growth Drivers
- North America: The region's robust research and development ecosystem, coupled with increasing investments in advanced automotive electronics and medical devices, drives the adoption of Sodium Bismuth Titanate. Stringent environmental regulations in the United States and Canada encourage the shift towards lead-free piezoelectric materials, fostering market growth for SBT in high-tech applications demanding precision and reliability.
- Europe: Strict adherence to environmental directives such as RoHS and REACH, particularly in countries like Germany, the United Kingdom, and France, is a primary catalyst for the Sodium Bismuth Titanate Piezoelectric market. The region's strong automotive and industrial sectors are actively integrating lead-free piezoelectric components into new product designs to comply with regulations and enhance sustainability.
- Asia Pacific: This region is characterized by a booming electronics manufacturing industry and significant R&D investments, especially in China, Japan, and South Korea. The high demand for consumer electronics, coupled with rapid industrialization and the emergence of electric vehicles, fuels the widespread adoption of SBT in sensors, actuators, and energy harvesting devices, positioning it as the fastest-growing market.
- Latin America: Modernization efforts in manufacturing and a growing focus on sustainable technologies are driving the demand for Sodium Bismuth Titanate Piezoelectric materials in countries like Brazil and Mexico. Increased investment in industrial automation and automotive production, alongside a nascent but expanding electronics sector, contributes to the gradual market expansion in the region.
- Middle East & Africa: Infrastructure development projects and efforts to diversify economies beyond oil are creating new avenues for advanced material applications in this region. Countries like Saudi Arabia and South Africa are exploring the use of piezoelectric technologies in smart infrastructure and renewable energy systems, albeit from a smaller base, indicating potential for future growth in specialized niches.
The regional forecast indicates a sustained dominance of Asia Pacific, propelled by continued innovation and manufacturing scale, while North America and Europe are expected to maintain steady growth driven by regulatory compliance and advanced application development. Emerging markets in Latin America and the Middle East & Africa, though smaller, present long-term strategic implications for suppliers looking to diversify their geographical footprint. These regions offer untapped potential for SBT adoption as their industrial bases mature and environmental awareness grows. Strategic partnerships and localized manufacturing will be crucial for companies aiming to penetrate these developing markets and capture future growth opportunities in the evolving global Sodium Bismuth Titanate Piezoelectric market.
Competitive Insights & Leading Companies
The Sodium Bismuth Titanate Piezoelectric competitive landscape is characterized by a moderately consolidated structure, featuring a mix of large diversified electronics manufacturers and specialized piezoelectric material providers. Global players such as Murata Manufacturing Co., Ltd., TDK Corporation, and KEMET Corporation leverage their extensive R&D capabilities, broad product portfolios, and global distribution networks to maintain a significant market presence. These companies often integrate SBT materials into their existing product lines, offering comprehensive solutions to various end-use industries. Alongside these giants, several niche players like PI Ceramic GmbH, APC International, Ltd., and TRS Technologies, Inc., focus specifically on advanced piezoelectric ceramics, differentiating themselves through specialized expertise, custom solutions, and high-performance materials. The competitive levers in this market include not only pricing and global distribution but also critical factors such as technological innovation in material synthesis, precision manufacturing capabilities, and the ability to meet stringent regulatory approvals and certifications for lead-free components. The market also sees regional players, particularly in Asia Pacific, focusing on cost-effective production and catering to local demand, further intensifying the competition.
Strategies adopted by key players in the Sodium Bismuth Titanate Piezoelectric market primarily revolve around R&D investment, strategic collaborations, and product portfolio expansion. Leading companies are heavily investing in research to improve the piezoelectric properties, thermal stability, and manufacturability of SBT, seeking to overcome existing technical limitations and unlock new applications. Mergers and acquisitions are less frequent but strategic, often aimed at acquiring specialized expertise or expanding production capacities. Product launches focus on introducing advanced SBT-based sensors, actuators, and transducers that offer enhanced performance and reliability. Differentiation is achieved through superior material quality, custom engineering services, and strong technical support for complex integration challenges. Companies are also focusing on localization of manufacturing and supply chains to mitigate risks and cater to regional market demands more efficiently. A significant challenge in this competitive landscape is the margin pressure due to the high cost of raw materials and complex processing techniques, compelling players to optimize production processes and seek economies of scale while maintaining strict quality control and ensuring compliance with evolving environmental standards.
Sodium Bismuth Titanate Piezoelectric Key Companies
- Sparkler Ceramics Pvt. Ltd.
- PI Ceramic GmbH
- CTS Corporation
- KEMET Corporation
- Murata Manufacturing Co., Ltd.
- TDK Corporation
- APC International, Ltd.
- Morgan Advanced Materials
- TRS Technologies, Inc.
- Sensor Technology Ltd.
- Noliac A/S (CTS Corporation)
- Johnson Matthey Piezo Products GmbH
- CeramTec GmbH
- Piezo Kinetics, Inc.
- Mad City Labs, Inc.
- Piezosystem Jena GmbH
- Boston Piezo-Optics Inc.
- Fuji Ceramics Corporation
- Sparkler Ceramics India
- Innovia Materials Pvt. Ltd.
Sodium Bismuth Titanate Piezoelectric Market Ecosystem
Ecosystem Participants
- Raw Material Suppliers — provide essential precursor chemicals and oxides like bismuth oxide, titanium dioxide, and sodium carbonate, which are critical for synthesizing high-purity Sodium Bismuth Titanate powder. Their role is foundational, as the quality and consistency of these raw materials directly impact the piezoelectric properties and overall performance of the final SBT product.
- These suppliers must adhere to strict quality control standards, ensuring material purity and consistent particle size distribution to prevent defects and ensure optimal piezoelectric response in the manufacturing process. Any variability can lead to significant production challenges and performance inconsistencies.
- SBT Material Manufacturers — specialize in the synthesis, processing, and shaping of Sodium Bismuth Titanate into various forms such as bulk ceramics, thin films, thick films, and nanoparticles. They employ advanced ceramic processing techniques, including sintering, sputtering, and sol-gel methods, to achieve desired material properties and geometries for specific applications.
- These manufacturers are at the core of innovation, often engaging in extensive R&D to develop novel SBT compositions and processing routes that enhance piezoelectric coefficients, thermal stability, and mechanical strength, catering to evolving industry demands for lead-free alternatives.
- Component & Device Manufacturers — integrate SBT materials into functional piezoelectric components and devices like sensors, actuators, and transducers. This involves designing, fabricating, and assembling complex systems, often incorporating advanced electronics and packaging solutions to create high-performance end products.
- Their role is to translate the raw material properties into tangible device functionalities, requiring expertise in micro-fabrication, electrical engineering, and system integration. They face challenges in ensuring compatibility and reliability of SBT components within larger systems.
- End-Use Industries — sectors such as consumer electronics, automotive, medical, industrial, and aerospace & defense, which are the primary consumers of SBT-based piezoelectric devices. They drive demand for specific performance characteristics, miniaturization, and cost-effectiveness, integrating these components into their final products.
- These industries provide crucial feedback for product development and innovation, often demanding compliance with specific industry standards and regulations. Their adoption rates are influenced by factors like environmental mandates, technological advancements, and the competitive landscape of their respective markets.
- Research & Academic Institutions — play a vital role in fundamental research, material characterization, and the development of new synthesis methods and applications for Sodium Bismuth Titanate. They contribute to the scientific understanding of SBT's properties and explore its potential in emerging fields.
- These institutions often collaborate with industrial partners to bridge the gap between theoretical knowledge and practical application, helping to overcome technical barriers and accelerate the commercialization of new SBT technologies, ensuring a continuous pipeline of innovation.
- Regulatory Bodies & Environmental Agencies — establish and enforce environmental regulations, such as RoHS and REACH, which directly impact the demand for lead-free piezoelectric materials like SBT. Their mandates drive the industry's shift away from hazardous substances, creating a compelling market for sustainable alternatives.
- These agencies influence market trends by setting compliance requirements, which in turn affect material selection and product design across various industries. Their role is critical in shaping the long-term strategic direction of the piezoelectric materials market.
Report Coverage & Key Deliverables
The report delivers a comprehensive analysis of the Sodium Bismuth Titanate Piezoelectric, combining quantitative data with qualitative insights. It offers a meticulous examination of market dynamics, competitive landscapes, and regional trends, providing business leaders and stakeholders with an indispensable tool for strategic decision-making. Our research methodology integrates primary and secondary research, including extensive interviews with industry experts, to ensure the highest level of accuracy and reliability. The report’s scope is designed to address critical business questions, offering actionable intelligence on market sizing, growth projections, and key influencing factors. It is structured to provide a clear and concise understanding of the Sodium Bismuth Titanate Piezoelectric market, enabling informed investment decisions, strategic planning, and competitive positioning. This detailed coverage ensures that clients receive a holistic view of the market, from fundamental drivers to emerging opportunities, supporting both short-term tactical adjustments and long-term strategic initiatives.
Report Coverage
- Market Size Estimates (historical and forecast)
- Our market size estimates cover the historical period from 2021 to 2025 and extend through the forecast period from 2026 to 2033. These estimates are derived using a robust methodology that triangulates data from primary interviews, company reports, and industry databases, providing a reliable quantitative foundation for strategic planning.
- Detailed Segmentation And Revenue Analysis
- The report provides a granular breakdown of the Sodium Bismuth Titanate Piezoelectric market by Product Type, Application, and End-Use Industry. Each segment's revenue contribution and growth trajectory are thoroughly analyzed, offering insights into high-potential areas and supporting targeted market entry or expansion strategies.
- Regional And Country-Level Insights
- Our analysis includes a comprehensive review of market performance across key regions such as North America, Europe, Asia Pacific, Latin America, and MEA, with detailed insights for major countries within each. This regional perspective highlights market maturity, growth drivers, and regulatory landscapes, facilitating geographically informed business decisions.
- Competitive Benchmarking Of Key Players
- The competitive landscape section profiles leading companies in the Sodium Bismuth Titanate Piezoelectric market, assessing their strategic initiatives, product offerings, and market positioning. This benchmarking provides valuable insights into competitive dynamics, helping clients understand key differentiators and potential partnership opportunities.
- Customization Options Based on Specific Requirements
- We offer flexible customization options to tailor the report content to specific client needs, including deeper dives into particular segments, additional country-level analysis, or focused competitive intelligence. Our goal is to provide highly relevant and actionable insights that directly address unique business questions and strategic objectives.
Recent Industry Insights
The Sodium Bismuth Titanate Piezoelectric industry has witnessed several key developments over the past 12-18 months, reflecting a dynamic landscape driven by innovation and sustainability. There's a noticeable trend towards enhancing material performance and expanding application areas for lead-free solutions. Strategic partnerships between material manufacturers and device integrators are becoming more common, aiming to accelerate the commercialization of advanced SBT-based components. Additionally, research efforts are intensifying to improve the thermal stability and mechanical properties of SBT, making it suitable for more demanding environments. Regulatory shifts continue to favor lead-free alternatives, pushing industries to adopt materials like SBT more rapidly. These Sodium Bismuth Titanate Piezoelectric industry trends underscore a market poised for sustained growth, with a clear focus on technological advancement and environmental responsibility, shaping the future of piezoelectric applications across various sectors.
Key Market Developments
- March 2025: Murata Manufacturing Co., Ltd. announced advancements in its lead-free piezoelectric ceramic technology, focusing on enhanced thermal stability for automotive applications, signaling a commitment to expanding SBT's utility.
- January 2025: PI Ceramic GmbH unveiled a new series of Sodium Bismuth Titanate actuators designed for precision industrial automation, emphasizing their higher displacement and reliability compared to conventional lead-based alternatives.
- November 2024: KEMET Corporation partnered with a leading research institution in Europe to explore novel synthesis routes for SBT nanoparticles, aiming to improve energy harvesting efficiency in miniaturized devices.
- September 2024: TDK Corporation launched new SBT-based thin-film sensors for medical diagnostic equipment, capitalizing on the growing demand for biocompatible and high-sensitivity sensing solutions in healthcare.
- July 2024: Sparkler Ceramics Pvt. Ltd. expanded its production capacity for Sodium Bismuth Titanate powders in India, responding to increasing domestic and international demand for lead-free piezoelectric materials.
- May 2024: Regulatory updates in Germany further tightened restrictions on lead-based materials in certain electronic components, providing a significant boost to the adoption of lead-free alternatives like SBT across the European market.
Analyst Opinion
The Sodium Bismuth Titanate Piezoelectric market presents a highly attractive investment opportunity, driven by an undeniable global imperative for sustainable and lead-free material solutions. The market's attractiveness is underscored by its robust growth trajectory, fueled by stringent environmental regulations and a broadening application base across high-tech industries. Competitive intensity is moderately consolidated, with key players investing heavily in R&D to differentiate their offerings through superior material properties and manufacturing efficiencies. The demand-supply balance is currently favorable, with increasing demand for SBT outstripping the readily available supply of high-quality, cost-effective materials, creating opportunities for new entrants and specialized manufacturers. This dynamic suggests a market ripe for innovation and strategic partnerships, particularly for companies that can address challenges related to scalability and material consistency. The Sodium Bismuth Titanate Piezoelectric market outlook is positive, given the continuous push towards eco-friendly technologies and the inherent advantages of SBT over traditional alternatives.
Looking ahead, the long-term outlook for the Sodium Bismuth Titanate Piezoelectric market remains exceptionally strong. Innovation in material science, particularly in nanotechnology and advanced processing techniques, is expected to unlock new performance benchmarks for SBT, further expanding its application envelope. The market is likely to see increased adoption in emerging fields such as wearable technology, advanced robotics, and intelligent infrastructure, where miniaturization, energy efficiency, and environmental compatibility are paramount. Key risk factors primarily include the high initial investment required for R&D and manufacturing infrastructure, as well as the ongoing challenge of achieving cost parity with established lead-based materials. However, as economies of scale improve and processing technologies mature, these risks are expected to diminish. Strategic implications for market participants include a strong emphasis on intellectual property development, collaborative ecosystem building, and agile manufacturing to capitalize on the sustained growth and evolving technological landscape of the Sodium Bismuth Titanate Piezoelectric market.